{"id":2270,"date":"2013-04-01T20:49:40","date_gmt":"2013-04-01T20:49:40","guid":{"rendered":"http:\/\/www.kriesi.at\/themes\/enfold\/?page_id=755"},"modified":"2026-10-02T09:19:04","modified_gmt":"2026-10-02T07:19:04","slug":"gear-pumps","status":"publish","type":"page","link":"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/","title":{"rendered":"Gear pumps"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9\">\n#top .av_textblock_section.av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Gear pump from the manufacturer: External gear pumps from Linn-Pumpen<\/h1>\n<p>A gear pump delivers fluids evenly and with stable pressure, even at high viscosities. As a manufacturer, Linn-Pumpen has been building external gear pumps in Schalksm\u00fchle for over sixty years and supplies them as flanged pumps with a free shaft end, as ready-to-operate motor-pump units, in stainless steel, and in a version with a magnetic coupling without a dynamic shaft seal. On this page, you\u2019ll find an overview of how they work, the selection criteria, and the operating limits for each model.<\/p>\n<\/div><\/section>\n<div  class='avia-button-wrap av-mhz2uxky-692f3b63484c1590624ea8bb1e9dee27-wrap avia-button-left  avia-builder-el-1  el_after_av_textblock  el_before_av_layout_row  avia-builder-el-last'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhz2uxky-692f3b63484c1590624ea8bb1e9dee27\">\n#top #wrap_all .avia-button.av-mhz2uxky-692f3b63484c1590624ea8bb1e9dee27{\nfont-size:16px;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/linn-pumpen.de\/en\/request-a-quote\/?kontext=Zahnradpumpen'  class='avia-button av-mhz2uxky-692f3b63484c1590624ea8bb1e9dee27 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-theme-color'   aria-label=\"Request technical specifications\"><span class='avia_iconbox_title' >Request technical specifications<\/span><\/a><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av-layout-grid-1'  class='av-layout-grid-container av-18brjbi-1cb0e1d9805663fa2d58774bbd7e92e4 entry-content-wrapper main_color av-flex-cells  avia-builder-el-2  el_after_av_button  el_before_av_section  grid-row-not-first  container_wrap sidebar_right'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-47onji-06b175c3edee6001e269b5f6a1b90693\">\n.flex_cell.av-47onji-06b175c3edee6001e269b5f6a1b90693{\nvertical-align:top;\n}\n<\/style>\n<div class='flex_cell av-47onji-06b175c3edee6001e269b5f6a1b90693 av-gridrow-cell av_one_full no_margin  avia-builder-el-3  avia-builder-el-no-sibling  content-align-top'  ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mibv6wsg-b8eab833407f4ea38dbf72bfb3273938\">\n#top .av-special-heading.av-mibv6wsg-b8eab833407f4ea38dbf72bfb3273938{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-mibv6wsg-b8eab833407f4ea38dbf72bfb3273938 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mibv6wsg-b8eab833407f4ea38dbf72bfb3273938 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mibv6wsg-b8eab833407f4ea38dbf72bfb3273938 av-special-heading-h2  avia-builder-el-4  el_before_av_textblock  avia-builder-el-first'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Overview of series<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mos7v6up-934f1df17a014b61e51c36c0e628fbf6\">\n#top .av_textblock_section.av-mos7v6up-934f1df17a014b61e51c36c0e628fbf6 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-mos7v6up-934f1df17a014b61e51c36c0e628fbf6'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Select the appropriate gear pump based on the installation situation, fluid, material, and desired motorization.<\/p>\n<\/div><\/section><br \/>\n<div class='flex_column_table av-159mcem-d04960a951bed14c8f2ab67be85c35cc sc-av_one_third av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-159mcem-d04960a951bed14c8f2ab67be85c35cc\">\n@keyframes av_boxShadowEffect_av-159mcem-d04960a951bed14c8f2ab67be85c35cc-row {\n0%   { box-shadow:  0 0 0 0 ; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 ; opacity: 1; }\n}\n@keyframes av_boxShadowEffect_av-159mcem-d04960a951bed14c8f2ab67be85c35cc-column {\n0%   { box-shadow:  0 0 0 0 #9d9c9c; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 #9d9c9c; opacity: 1; }\n}\n#top .flex_column_table.av-equal-height-column-flextable.av-159mcem-d04960a951bed14c8f2ab67be85c35cc{\nmargin-top:20px;\nmargin-bottom:20px;\n}\n.flex_column.av-159mcem-d04960a951bed14c8f2ab67be85c35cc{\nwidth:31.333333333333%;\nmargin-left:0;\nbox-shadow: 0 0 10px 0 #9d9c9c;\n}\n#top .flex_column_table.av-equal-height-column-flextable.av-159mcem-d04960a951bed14c8f2ab67be85c35cc .av-flex-placeholder{\nwidth:3%;\n}\n<\/style>\n<div  class='flex_column av-159mcem-d04960a951bed14c8f2ab67be85c35cc av_one_third  avia-builder-el-6  el_after_av_textblock  el_before_av_one_third  lp-card first flex_column_table_cell av-equal-height-column av-align-top shadow-not-animated avia-link-column av-column-link avia-link-column-hover  column-top-margin'    data-link-column-url=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/zahnradflanschpumpen\/\"   ><a class=\"av-screen-reader-only\" href=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/zahnradflanschpumpen\/\" >Link to: Zahnrad-Flanschpumpen<\/a><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-12q0szi-9e17f752a3bad339b89f8ed0c078c0e2\">\n#top .hr.hr-invisible.av-12q0szi-9e17f752a3bad339b89f8ed0c078c0e2{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-12q0szi-9e17f752a3bad339b89f8ed0c078c0e2 hr-invisible  avia-builder-el-7  el_before_av_image  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3rh8ge-f86feebeb487ebcf1536a1ffa0cfc795\">\n.avia-image-container.av-3rh8ge-f86feebeb487ebcf1536a1ffa0cfc795 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-3rh8ge-f86feebeb487ebcf1536a1ffa0cfc795 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-3rh8ge-f86feebeb487ebcf1536a1ffa0cfc795 av-styling- avia-align-center  avia-builder-el-8  el_after_av_hr  el_before_av_textblock'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-8115 avia-img-lazy-loading-8115 avia_image' src=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FU570-590_Trans-1200-1-1030x579.webp\" alt='Gear flange pump from Linn-Pumpen' title='Gear flange pump'  height=\"579\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FU570-590_Trans-1200-1-1030x579.webp 1030w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FU570-590_Trans-1200-1-300x169.webp 300w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FU570-590_Trans-1200-1-768x432.webp 768w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FU570-590_Trans-1200-1-18x10.webp 18w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FU570-590_Trans-1200-1-705x397.webp 705w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FU570-590_Trans-1200-1.webp 1200w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1024av2-fc982d90f2d25650d604c6de00d74f1b\">\n#top .av_textblock_section.av-1024av2-fc982d90f2d25650d604c6de00d74f1b .avia_textblock{\npadding:0 20px 0 20px;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-1024av2-fc982d90f2d25650d604c6de00d74f1b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 class=\"featurette-heading\">Gear flange pumps<\/h3>\n<p>(Series F, D)<\/p>\n<p class=\"featurette-heading\">External gear pumps with a free shaft end<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-xo8ya6-d0a4eb4cfed107f95e9c21479096947b\">\n#top .av_textblock_section.av-xo8ya6-d0a4eb4cfed107f95e9c21479096947b .avia_textblock{\nfont-size:16px;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-xo8ya6-d0a4eb4cfed107f95e9c21479096947b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Delivery rate:<\/strong> 0.6 to 124 l\/min<br \/><strong>Viscosity:<\/strong> 1,4 bis 20.000 mm\u00b2\/s<br \/><strong>Performance:<\/strong> Drive on customer side<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-x0tbwu-153c70c6ee0c2808d3a489bf053dd9d5-wrap avia-button-center  avia-builder-el-11  el_after_av_textblock  avia-builder-el-last'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-x0tbwu-153c70c6ee0c2808d3a489bf053dd9d5\">\n#top #wrap_all .avia-button.av-x0tbwu-153c70c6ee0c2808d3a489bf053dd9d5{\nfont-size:20px;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/zahnradflanschpumpen\/'  class='avia-button av-x0tbwu-153c70c6ee0c2808d3a489bf053dd9d5 av-link-btn avia-icon_select-no avia-size-medium avia-position-center avia-color-theme-color'  title=\"Learn more\" aria-label=\"Learn more\"><span class='avia_iconbox_title' >To the series<\/span><\/a><\/div><\/p><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-uxc7jy-69469d320484efc2831ea3a8dcd59957\">\n@keyframes av_boxShadowEffect_av-uxc7jy-69469d320484efc2831ea3a8dcd59957-row {\n0%   { box-shadow:  0 0 0 0 ; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 ; opacity: 1; }\n}\n@keyframes av_boxShadowEffect_av-uxc7jy-69469d320484efc2831ea3a8dcd59957-column {\n0%   { box-shadow:  0 0 0 0 #9d9c9c; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 #9d9c9c; opacity: 1; }\n}\n#top .flex_column_table.av-equal-height-column-flextable.av-uxc7jy-69469d320484efc2831ea3a8dcd59957{\nmargin-top:20px;\nmargin-bottom:20px;\n}\n.flex_column.av-uxc7jy-69469d320484efc2831ea3a8dcd59957{\nwidth:31.333333333333%;\nmargin-left:0;\nbox-shadow: 0 0 10px 0 #9d9c9c;\n}\n#top .flex_column_table.av-equal-height-column-flextable.av-uxc7jy-69469d320484efc2831ea3a8dcd59957 .av-flex-placeholder{\nwidth:3%;\n}\n<\/style>\n<div  class='flex_column av-uxc7jy-69469d320484efc2831ea3a8dcd59957 av_one_third  avia-builder-el-12  el_after_av_one_third  el_before_av_one_third  lp-card flex_column_table_cell av-equal-height-column av-align-top shadow-not-animated avia-link-column av-column-link avia-link-column-hover  column-top-margin'    data-link-column-url=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/elektro-zahnradpumpen\/\"   ><a class=\"av-screen-reader-only\" href=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/elektro-zahnradpumpen\/\" >Link to: Elektro-Zahnradpumpen<\/a><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-sbh81a-2bc13b640c6d6e373ee9324501d23b8d\">\n#top .hr.hr-invisible.av-sbh81a-2bc13b640c6d6e373ee9324501d23b8d{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-sbh81a-2bc13b640c6d6e373ee9324501d23b8d hr-invisible  avia-builder-el-13  el_before_av_image  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-rsdf8e-e483d2058761037f6ddcdb870ae98b7c\">\n.avia-image-container.av-rsdf8e-e483d2058761037f6ddcdb870ae98b7c img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-rsdf8e-e483d2058761037f6ddcdb870ae98b7c .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-rsdf8e-e483d2058761037f6ddcdb870ae98b7c av-styling- avia-align-center  avia-builder-el-14  el_after_av_hr  el_before_av_textblock'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-8116 avia-img-lazy-loading-8116 avia_image' src=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FLM310-323-250W-370W_TP-1200-1-1030x579.webp\" alt='Electric gear pumps from Linn-Pumpen' title='Gear pumps'  height=\"579\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FLM310-323-250W-370W_TP-1200-1-1030x579.webp 1030w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FLM310-323-250W-370W_TP-1200-1-300x169.webp 300w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FLM310-323-250W-370W_TP-1200-1-768x432.webp 768w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FLM310-323-250W-370W_TP-1200-1-18x10.webp 18w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FLM310-323-250W-370W_TP-1200-1-705x397.webp 705w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/FLM310-323-250W-370W_TP-1200-1.webp 1200w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-qfdvku-554855f6a9de05942ab08ea74da88465\">\n#top .av_textblock_section.av-qfdvku-554855f6a9de05942ab08ea74da88465 .avia_textblock{\npadding:0 20px 0 20px;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-qfdvku-554855f6a9de05942ab08ea74da88465'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 class=\"featurette-heading\">Electric gear pumps<\/h3>\n<p>(Body and engine variants FLM, FKM, FOM, and FAM, as well as the trim levels i, G, and MG)<\/p>\n<p class=\"featurette-heading\">Fully assembled pump unit<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2fbwri-112fa86b3ed3c5f6f981d52112c23782\">\n#top .av_textblock_section.av-2fbwri-112fa86b3ed3c5f6f981d52112c23782 .avia_textblock{\nfont-size:16px;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-2fbwri-112fa86b3ed3c5f6f981d52112c23782'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Delivery rate:<\/strong> 0.6 to 124 l\/min<br \/><strong>Viscosity:<\/strong> 1,4 bis 20.000 mm\u00b2\/s<br \/><strong>Performance:<\/strong> 0,12 bis 18,5 kW<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-m7s9ta-8be1d1918163af45efc500bbcba36a26-wrap avia-button-center  avia-builder-el-17  el_after_av_textblock  avia-builder-el-last'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m7s9ta-8be1d1918163af45efc500bbcba36a26\">\n#top #wrap_all .avia-button.av-m7s9ta-8be1d1918163af45efc500bbcba36a26{\nfont-size:20px;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/elektro-zahnradpumpen\/'  class='avia-button av-m7s9ta-8be1d1918163af45efc500bbcba36a26 av-link-btn avia-icon_select-no avia-size-medium avia-position-center avia-color-theme-color'  title=\"Learn more\" aria-label=\"Learn more\"><span class='avia_iconbox_title' >To the series<\/span><\/a><\/div><\/p><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kn95xa-b4acd0d043cbbab3d3807c4aa0a2c116\">\n@keyframes av_boxShadowEffect_av-kn95xa-b4acd0d043cbbab3d3807c4aa0a2c116-row {\n0%   { box-shadow:  0 0 0 0 ; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 ; opacity: 1; }\n}\n@keyframes av_boxShadowEffect_av-kn95xa-b4acd0d043cbbab3d3807c4aa0a2c116-column {\n0%   { box-shadow:  0 0 0 0 #9d9c9c; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 #9d9c9c; opacity: 1; }\n}\n#top .flex_column_table.av-equal-height-column-flextable.av-kn95xa-b4acd0d043cbbab3d3807c4aa0a2c116{\nmargin-top:20px;\nmargin-bottom:20px;\n}\n.flex_column.av-kn95xa-b4acd0d043cbbab3d3807c4aa0a2c116{\nwidth:31.333333333333%;\nmargin-left:0;\nbox-shadow: 0 0 10px 0 #9d9c9c;\n}\n#top .flex_column_table.av-equal-height-column-flextable.av-kn95xa-b4acd0d043cbbab3d3807c4aa0a2c116 .av-flex-placeholder{\nwidth:3%;\n}\n<\/style>\n<div  class='flex_column av-kn95xa-b4acd0d043cbbab3d3807c4aa0a2c116 av_one_third  avia-builder-el-18  el_after_av_one_third  el_before_av_one_full  lp-card flex_column_table_cell av-equal-height-column av-align-top shadow-not-animated avia-link-column av-column-link  column-top-margin'    data-link-column-url=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/edelstahl-zahnradflanschpumpen\/\"   ><a class=\"av-screen-reader-only\" href=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/edelstahl-zahnradflanschpumpen\/\" >Link to: Edelstahl-Zahnrad-Flanschpumpen<\/a><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ifa08e-f72ea2c312f5a4c7a0fe3ad73ef7a7d1\">\n#top .hr.hr-invisible.av-ifa08e-f72ea2c312f5a4c7a0fe3ad73ef7a7d1{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-ifa08e-f72ea2c312f5a4c7a0fe3ad73ef7a7d1 hr-invisible  avia-builder-el-19  el_before_av_image  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-h9gqf2-58c46a423decdd8607658ecfdbe379c7\">\n.avia-image-container.av-h9gqf2-58c46a423decdd8607658ecfdbe379c7 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-h9gqf2-58c46a423decdd8607658ecfdbe379c7 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-h9gqf2-58c46a423decdd8607658ecfdbe379c7 av-styling- avia-align-center  avia-builder-el-20  el_after_av_hr  el_before_av_textblock'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-8117 avia-img-lazy-loading-8117 avia_image' src=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/EF328-3330_tp-1200-1030x579.webp\" alt='Stainless steel gear flange pumps from Linn-Pumpen GmbH' title='Stainless steel gear pumps'  height=\"579\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/EF328-3330_tp-1200-1030x579.webp 1030w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/EF328-3330_tp-1200-300x169.webp 300w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/EF328-3330_tp-1200-768x432.webp 768w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/EF328-3330_tp-1200-18x10.webp 18w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/EF328-3330_tp-1200-705x397.webp 705w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2025\/11\/EF328-3330_tp-1200.webp 1200w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-fs0fq6-91a49d3b31dfd9c1f1ee38ae8fea6080\">\n#top .av_textblock_section.av-fs0fq6-91a49d3b31dfd9c1f1ee38ae8fea6080 .avia_textblock{\npadding:0 20px 0 20px;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-fs0fq6-91a49d3b31dfd9c1f1ee38ae8fea6080'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 class=\"featurette-heading\">Stainless steel gear pumps<\/h3>\n<p>(E\/F and E\/FLM models, each also available with PEEK gears, as well as additional designs and motor configurations in stainless steel)<\/p>\n<p class=\"featurette-heading\">With a free shaft end or as a ready-to-operate unit<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-e5biwu-c69eb2be3da179f0292404f9aa5ff615\">\n#top .av_textblock_section.av-e5biwu-c69eb2be3da179f0292404f9aa5ff615 .avia_textblock{\nfont-size:16px;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-e5biwu-c69eb2be3da179f0292404f9aa5ff615'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Delivery rate:<\/strong> 1.15 to 24 l\/min<br \/><strong>Viscosity:<\/strong> 1,4 bis 2.500 mm\u00b2\/s<br \/><strong>Performance:<\/strong> Drive provided by the customer or 0.12 to 1.5 kW<br \/><small>For E\/FKM, E\/FOM, and E\/FAM, the values for the respective body and engine variants apply.<\/small><\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-d1c1xa-577057a711b354353fd30056e27764fe-wrap avia-button-center  avia-builder-el-23  el_after_av_textblock  avia-builder-el-last'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-d1c1xa-577057a711b354353fd30056e27764fe\">\n#top #wrap_all .avia-button.av-d1c1xa-577057a711b354353fd30056e27764fe{\nfont-size:20px;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/edelstahl-zahnradflanschpumpen\/'  class='avia-button av-d1c1xa-577057a711b354353fd30056e27764fe av-link-btn avia-icon_select-no avia-size-medium avia-position-center avia-color-theme-color'  title=\"Learn more\" aria-label=\"Learn more\"><span class='avia_iconbox_title' >To the series<\/span><\/a><\/div><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><div class='flex_column_table av-119xdjy-ca3575e95ef00c91f83a6a730175e604 sc-av_one_full av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-119xdjy-ca3575e95ef00c91f83a6a730175e604\">\n@keyframes av_boxShadowEffect_av-119xdjy-ca3575e95ef00c91f83a6a730175e604-row {\n0%   { box-shadow:  0 0 0 0 ; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 ; opacity: 1; }\n}\n@keyframes av_boxShadowEffect_av-119xdjy-ca3575e95ef00c91f83a6a730175e604-column {\n0%   { box-shadow:  0 0 0 0 #9d9c9c; opacity: 1; }\n100% { box-shadow:  0 0 10px 0 #9d9c9c; opacity: 1; }\n}\n.flex_column.av-119xdjy-ca3575e95ef00c91f83a6a730175e604{\nwidth:100%;\nmargin-left:0;\nbox-shadow: 0 0 10px 0 #9d9c9c;\n}\n#top .flex_column_table.av-equal-height-column-flextable.av-119xdjy-ca3575e95ef00c91f83a6a730175e604 .av-flex-placeholder{\nwidth:0%;\n}\n<\/style>\n<div  class='flex_column av-119xdjy-ca3575e95ef00c91f83a6a730175e604 av_one_full  avia-builder-el-24  el_after_av_one_third  avia-builder-el-last  lp-card first flex_column_table_cell av-equal-height-column av-align-top shadow-not-animated avia-link-column av-column-link avia-link-column-hover  column-top-margin'    data-link-column-url=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/ventile\/\"   ><a class=\"av-screen-reader-only\" href=\"https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/ventile\/\" >Link to: Ventile<\/a><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-zapage-a8f6de6fd69c6a0d673fc9580ef095e8\">\n#top .hr.hr-invisible.av-zapage-a8f6de6fd69c6a0d673fc9580ef095e8{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-zapage-a8f6de6fd69c6a0d673fc9580ef095e8 hr-invisible  avia-builder-el-25  el_before_av_image  avia-builder-el-first'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lz8ddagi-a0e5eca51d82e3a3c9e537b7b06e0400\">\n.avia-image-container.av-lz8ddagi-a0e5eca51d82e3a3c9e537b7b06e0400 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lz8ddagi-a0e5eca51d82e3a3c9e537b7b06e0400 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lz8ddagi-a0e5eca51d82e3a3c9e537b7b06e0400 av-styling- avia-align-center  avia-builder-el-26  el_after_av_hr  el_before_av_textblock'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-5218 avia-img-lazy-loading-5218 avia_image' src=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2024\/07\/Druckbegrenzungsventil-2025-300x225.png\" alt='Pressure relief valves from Linn pumps' title='Pressure relief valves'  height=\"225\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/linn-pumpen.de\/wp-content\/uploads\/2024\/07\/Druckbegrenzungsventil-2025-300x225.png 300w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2024\/07\/Druckbegrenzungsventil-2025-768x576.png 768w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2024\/07\/Druckbegrenzungsventil-2025-705x529.png 705w, https:\/\/linn-pumpen.de\/wp-content\/uploads\/2024\/07\/Druckbegrenzungsventil-2025.png 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhyyyi1v-e531f1a6c26a4ce27a62caa17747b80b\">\n#top .av_textblock_section.av-mhyyyi1v-e531f1a6c26a4ce27a62caa17747b80b .avia_textblock{\npadding:0 20px 0 20px;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-mhyyyi1v-e531f1a6c26a4ce27a62caa17747b80b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Valves<\/h3>\n<p><strong>Pressure relief valves:<\/strong> DB Series for continuous pressure limiting in the system<br \/><strong>Sicherheitsventil:<\/strong> Integrated bypass valve in the pump cover in the event of a brief pressure surge<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-un5wtq-f6f40061599a9809896ad7101db4d255-wrap avia-button-center  avia-builder-el-28  el_after_av_textblock  avia-builder-el-last'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-un5wtq-f6f40061599a9809896ad7101db4d255\">\n#top #wrap_all .avia-button.av-un5wtq-f6f40061599a9809896ad7101db4d255{\nfont-size:20px;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/linn-pumpen.de\/en\/zahnradpumpen\/ventile\/'  class='avia-button av-un5wtq-f6f40061599a9809896ad7101db4d255 av-link-btn avia-icon_select-no avia-size-medium avia-position-center avia-color-theme-color'  title=\"Learn more\" aria-label=\"Learn more\"><span class='avia_iconbox_title' >To the series<\/span><\/a><\/div><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><\/p>\n<\/div><\/div><\/div><div id='av_section_1'  class='avia-section av-i1k6ge-31369a29211c2d7bcf5df05a1d204d95 main_color avia-section-default avia-no-border-styling  avia-builder-el-29  el_after_av_layout_row  el_before_av_one_full  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-2270'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-1id4zy-ba729a5a0c51b9612f9b1fca3d59785a av_one_full  avia-builder-el-30  avia-builder-el-no-sibling  first flex_column_div'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9\">\n#top .av_textblock_section.av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>How does an external gear pump work?<\/h2>\n<p>An external gear pump, that is, a gear pump with external teeth, is a rotary positive-displacement pump. Two externally toothed gears mesh with each other and rotate in opposite directions. On the suction side, the gaps between the teeth open; the fluid flows in and is transported through these gaps along the housing wall to the discharge side. There, the teeth mesh again and displace the fluid into the discharge line. This process occurs continuously, resulting in a flow rate with virtually no pulsation.<\/p>\n<p>The theoretical flow rate is calculated from the displacement and the rotational speed. Flow rate in liters per minute equals displacement in cubic centimeters per revolution multiplied by rotational speed in revolutions per minute, divided by 1,000. A pump with a displacement of 20 cm\u00b3\/rev therefore delivers approximately 29 l\/min at 1,450 min\u207b\u00b9. The actual flow rate is lower than this because, as the differential pressure increases, a portion of the fluid flows back through the clearance losses.<\/p>\n<p>This is precisely where the practical difference from a centrifugal pump lies. A centrifugal pump experiences a significant drop in flow rate as back pressure in the flow increases. A gear pump largely maintains its flow rate even as pressure rises, and it can also handle viscous fluids where a centrifugal pump reaches its limits.<\/p>\n<h2>Where are gear pumps used?<\/h2>\n<p>Gear pumps from Linn-Pumpen are used wherever a fluid needs to be delivered evenly, in metered quantities, and against pressure. Gear pumps for oil are primarily used for lubricating oils, hydraulic oils, and heat transfer oils. Typical applications include supplying lubricating oil to machines and large bearings, operating hydraulic power units, transferring fluid from drums and IBCs, circulating heat transfer oils, supplying cooling and lubrication circuits, and metering in process and control loops.<\/p>\n<p>Because the flow rate is proportional to the speed, a gear pump can be used for very precise metering. When combined with a variable-frequency drive or the \u201ci\u201d model with an integrated drive controller, the pump becomes a controllable metering unit.<\/p>\n<h2>Six Questions Before Interpretation<\/h2>\n<h3>Medium<\/h3>\n<p>The key factor is whether the medium is lubricating. Oils, heat transfer fluids, and lubricants are not a concern. For media with little or no lubricating properties\u2014such as solvents, water, or low-viscosity chemicals\u2014the material and rotational speed must be adjusted, usually by using PEEK gears.<\/p>\n<h3>Viscosity<\/h3>\n<p>The permissible viscosity is directly dependent on the rotational speed. At 1,450 min\u207b\u00b9, the permissible viscosity is 250 mm\u00b2\/s for sizes F 1 and F 2, and 350 mm\u00b2\/s for sizes F 3 through F 5. If the speed is reduced, the permissible viscosity increases significantly\u2014to approximately 1,500 mm\u00b2\/s at 1,000 min\u207b\u00b9 and to approximately 2,500 mm\u00b2\/s at 700 min\u207b\u00b9. With a G-series gearmotor configuration, viscosities of up to 20,000 mm\u00b2\/s are possible at low speeds; typical values are 6,000 mm\u00b2\/s at approximately 450 min\u207b\u00b9, 10,000 mm\u00b2\/s at 300 min\u207b\u00b9, and 20,000 mm\u00b2\/s at 200 min\u207b\u00b9. For high viscosity, a feed operation must be provided.<\/p>\n<h3>Pressure<\/h3>\n<p>The maximum allowable pressure depends on the size and, depending on the model, is 10, 50, 70, or 100 bar. For motor-driven pumps, the selected motor power also limits the allowable pressure. For this reason, each motor-driven pump is designed for a specific operating point and not for the maximum value indicated on the pump head.<\/p>\n<h3>Delivery rate<\/h3>\n<p>Sizes F 1 through F 5 cover flow rates ranging from 0.43 to 86.8 cm\u00b3\/rev, which corresponds to a range of approximately 0.6 to 124 l\/min at 1450 min\u207b\u00b9. The maximum flow rate and maximum pressure are two separate limits and not a common operating point; the flow rate decreases as the pressure increases.<\/p>\n<h3>Temperature and Seals<\/h3>\n<p>The medium temperature determines the type of seal. NBR can be used up to 60 \u00b0C, FPM and FKM up to 150 \u00b0C, and PTFE up to 200 \u00b0C. A mechanical seal is permissible up to 150 \u00b0C and 15 bar inlet pressure; a graphite gland packing is permissible up to 200 \u00b0C. If no dynamic shaft seal is to be used at all, the <a href=\"\/en\/product\/gear-pump-magnetic-coupling\/\">FOM-MG Magnetic Coupling Model<\/a> the right choice.<\/p>\n<h3>Drive<\/h3>\n<p>If the pump is to be integrated into an existing machine, the flanged pump with a free shaft end is the correct choice. If it is to be delivered ready for operation, the <a href=\"\/en\/gear-pumps\/electric-gear-pumps\/\">Electric gear pumps<\/a> the right choice. For control applications, there is the i model with an integrated drive; for high-viscosity media, there is the G gearmotor model.<\/p>\n<h2>Gear Pump Series and Drives in Detail<\/h2>\n<p>Linn-Pumpen offers three basic pump series: F in gray cast iron, E\/F in stainless steel, and E\/F-PEEK in stainless steel with PEEK gears. Within each pump series, every model is composed of three additional components: size, body and motor configuration, and features. Size and body and motor configuration are separate categories. The same size 333 is available as FLM 333, FKM 333, or FOM 333, depending on the required motor power.<\/p>\n<ul>\n<li><strong>F<\/strong> Flanged pump with exposed shaft end for customer-supplied drive<\/li>\n<li><strong>D<\/strong> The same pump head with mounting base<\/li>\n<li><strong>FLM<\/strong> Electric power unit with BoWex curved-tooth coupling and aluminum pump bracket, 0.12 to 1.5 kW, only up to and including size 3<\/li>\n<li><strong>FKM<\/strong> Electric power unit with ROTEX claw coupling and aluminum bracket, 0.55 to 1.5 kW, also for sizes 3 and 5<\/li>\n<li><strong>FOM<\/strong> Electric power unit with ROTEX coupling and KTR pump mount, 2.2 to 18.5 kW<\/li>\n<li><strong>FAM<\/strong> Tank-mounted, pump head inside the tank, external motor, 0.25 to 18.5 kW<\/li>\n<li><strong>Ausstattung MG<\/strong> Magnetic coupling, without dynamic shaft seal, guided in the FOM design as FOM MG<\/li>\n<li><strong>Ausstattung G<\/strong> Helical gear motor for high-viscosity fluids at low speeds, typically with FKM and FOM seals, designated as G\/FKM or G\/FOM<\/li>\n<li><strong>Ausstattung i<\/strong> Integrated frequency converter; speed and flow rate adjustable; designated as FLMi, FKMi, or FOMi immediately after the model designation<\/li>\n<li><strong>E\/F, E\/D, E\/FLM, E\/FKM, E\/FOM und E\/FAM<\/strong> Stainless steel version in 1.4571, with a free shaft end or with a motor<\/li>\n<li><strong>PEEK-Varianten<\/strong> Stainless steel models for media with little or no lubrication<\/li>\n<li><strong>Ausstattung U<\/strong> Integrated relief valve, available in cast metal as FU, DU, FLMU, FKMU, FOMU, and FAMU. The U version is not available in stainless steel.<\/li>\n<li><strong>LZ und LZGM<\/strong> Separate series outside this modular system, low-speed operation, maximum 500 min\u207b\u00b9, 210 and 320 cm\u00b3\/rev. LZ without drive, LZGM with drive<\/li>\n<\/ul>\n<h2>Materials: Cast metal, stainless steel, and PEEK<\/h2>\n<p>The standard version features a housing made of EN-GJL-250, with shafts and gears made of 16MnCr5. A special version made of GGG40 ductile iron is available. This combination is the right choice for oils, heat transfer fluids, and all well-lubricating media.<\/p>\n<p>The <a href=\"\/en\/gear-pumps\/stainless-steel-gear-pumps\/\">Stainless Steel Version<\/a> It uses a housing, cover, and shafts made of 1.4571. It is designed for corrosive media that still provide sufficient lubrication. PEEK gears are used when the medium provides little or no lubrication, such as with solvents or low-viscosity chemicals. In this case, the design is always tailored to the specific medium.<\/p>\n<p>An important note: We do not currently offer ATEX-compliant models or hygienic or food-grade pump models. We would be happy to discuss with you on a case-by-case basis how stainless steel and PEEK can meet the requirements of your specific medium.<\/p>\n<h2>Operating Limits of Gear Pumps<\/h2>\n<p>Gear pumps are self-priming but are not protected against dry running. Dry running will damage the pump within a short time and is not permitted in any model series. Solids and abrasive particles must not be present in the pumped fluid; fine pre-filtration is recommended.<\/p>\n<p>The integrated bypass valve is a safety valve, not a continuous pressure regulator. It protects the pump in the event of a brief pressure surge; continuous bypass flow through the valve is not intended. For continuous pressure limitation, please use an external <a href=\"\/en\/gear-pumps\/valves\/\">DB Series Pressure Relief Valve<\/a> one.<\/p>\n<h2>Here's how a model number is put together<\/h2>\n<p>Pump base, size, design and motor type, and features. Every model is based on these four components.<\/p>\n<p>Example: E\/FLMi 328 refers to a stainless steel pump in the FLM design with a motor, size 328, and an integrated frequency converter. The configuration codes mean: U for relief valve, MG for magnetic coupling in the FOM design, i for frequency converter immediately following the design code, and G for gearmotor as a prefix. The FLMU 219 is also formed in this way, from size 219, the FLM model, and the relief valve. It is listed as a separate product because this combination has proven itself in practice; technically, it is not a separate series.<\/p>\n<p><em>All specifications are approximate. The technical design based on the medium, viscosity, temperature, flow rate, and pressure is decisive.<\/em><\/p>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-2270'><div class='entry-content-wrapper clearfix'><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3iivim-727a87f2b17c8c3a1e30f42e1d50220b\">\n.flex_column.av-3iivim-727a87f2b17c8c3a1e30f42e1d50220b{\npadding:28px 0 0 0;\n}\n<\/style>\n<div  class='flex_column av-3iivim-727a87f2b17c8c3a1e30f42e1d50220b av_one_full  avia-builder-el-32  el_after_av_section  el_before_av_one_full  avia-builder-el-first  first flex_column_div'     ><section  class='av_textblock_section av-26mjwe-37087b166ae12a065b90960890ae20aa'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Frequently Asked Questions About Gear Pumps<\/h2>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhz4ctio-77e798510295d193719e5f39f214d51e\">\n#top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler{\ncolor:#1a1a1a;\nborder-color:#cfd6de;\n}\n#top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler:not(.activeTitle):hover{\ncolor:#0069b4;\n}\n#top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler:not(.activeTitle):hover .toggle_icon, #top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler:not(.activeTitle):hover .toggle_icon *{\nborder-color:#0069b4 !important;\n}\n#top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler .toggle_icon{\ncolor:#cfd6de;\nborder-color:#cfd6de;\n}\n#top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler .toggle_icon > span{\ncolor:#cfd6de;\nborder-color:#cfd6de;\n}\n#top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler.activeTitle .toggle_icon, #top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e p.toggler.activeTitle .toggle_icon > span{\ncolor:#0069b4;\nborder-color:#0069b4;\n}\n#top .togglecontainer.av-mhz4ctio-77e798510295d193719e5f39f214d51e .toggle_wrap .toggle_content{\ncolor:#1a1a1a;\nborder-color:#cfd6de;\n}\n<\/style>\n<div  class='togglecontainer av-mhz4ctio-77e798510295d193719e5f39f214d51e av-elegant-toggle  avia-builder-el-34  el_after_av_textblock  avia-builder-el-last  toggle_close_all'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/FAQPage\" >\n<section class='av_toggle_section av-sind-zahnradpump1-d4f222cbd8545b6c86e5e73b85a9dd60'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-sind-zahnradpumpen-selbstansaugend' data-fake-id='#faq-sind-zahnradpumpen-selbstansaugend' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-sind-zahnradpumpen-selbstansaugend' data-slide-speed=\"200\" data-title=\"Sind Zahnradpumpen selbstansaugend?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Sind Zahnradpumpen selbstansaugend?\" data-aria_expanded=\"Click to collapse: Sind Zahnradpumpen selbstansaugend?\">Are gear pumps self-priming?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-sind-zahnradpumpen-selbstansaugend' aria-labelledby='toggle-faq-sind-zahnradpumpen-selbstansaugend' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>Yes. Linn-Pumpen gear pumps are self-priming and, depending on the model, can achieve a suction head of approximately four meters. However, they are not designed to run dry; dry running is not permitted. For highly viscous fluids, we generally recommend operation with a supply line.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-was-macht-eine-z2-c31cde9f27655cd78e52d7099da5b306'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-was-macht-eine-zahnradpumpe' data-fake-id='#faq-was-macht-eine-zahnradpumpe' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-was-macht-eine-zahnradpumpe' data-slide-speed=\"200\" data-title=\"Was macht eine Zahnradpumpe?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Was macht eine Zahnradpumpe?\" data-aria_expanded=\"Click to collapse: Was macht eine Zahnradpumpe?\">What does a gear pump do?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-was-macht-eine-zahnradpumpe' aria-labelledby='toggle-faq-was-macht-eine-zahnradpumpe' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>A gear pump conveys fluids by means of two meshing gears that transport the fluid through the gaps between their teeth from the suction side to the discharge side. The flow rate is proportional to the rotational speed and remains largely stable even as back pressure increases.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-welche-vorteile-3-04180771b7f586a967fd8d11c601d3c3'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-welche-vorteile-hat-eine-zahnradpumpe' data-fake-id='#faq-welche-vorteile-hat-eine-zahnradpumpe' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-welche-vorteile-hat-eine-zahnradpumpe' data-slide-speed=\"200\" data-title=\"Welche Vorteile hat eine Zahnradpumpe?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Welche Vorteile hat eine Zahnradpumpe?\" data-aria_expanded=\"Click to collapse: Welche Vorteile hat eine Zahnradpumpe?\">What are the advantages of a gear pump?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-welche-vorteile-hat-eine-zahnradpumpe' aria-labelledby='toggle-faq-welche-vorteile-hat-eine-zahnradpumpe' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>It delivers a smooth, low-pulsation flow, maintains stable pressure, is suitable for high viscosities, and allows for precise metering via the speed. The design is robust and low-maintenance because it has few moving parts.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-welche-nachteile4-3d871c65bb9ec3dc7a5bed0fb6f9ffb4'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-welche-nachteile-hat-eine-zahnradpumpe' data-fake-id='#faq-welche-nachteile-hat-eine-zahnradpumpe' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-welche-nachteile-hat-eine-zahnradpumpe' data-slide-speed=\"200\" data-title=\"Welche Nachteile hat eine Zahnradpumpe?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Welche Nachteile hat eine Zahnradpumpe?\" data-aria_expanded=\"Click to collapse: Welche Nachteile hat eine Zahnradpumpe?\">What are the disadvantages of a gear pump?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-welche-nachteile-hat-eine-zahnradpumpe' aria-labelledby='toggle-faq-welche-nachteile-hat-eine-zahnradpumpe' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>It is not dry-run-proof, cannot handle solids or abrasive particles, and requires a suitable choice of materials when used with non-lubricating fluids. In addition, leakage increases with differential pressure, causing the flow rate to decrease slightly.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-welche-viskosita5-1b3ec9cefda0a6d307b74add072ae547'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-welche-viskositaet-kann-eine-zahnradpumpe-foerdern' data-fake-id='#faq-welche-viskositaet-kann-eine-zahnradpumpe-foerdern' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-welche-viskositaet-kann-eine-zahnradpumpe-foerdern' data-slide-speed=\"200\" data-title=\"Welche Viskosit\u00e4t kann eine Zahnradpumpe f\u00f6rdern?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Welche Viskosit\u00e4t kann eine Zahnradpumpe f\u00f6rdern?\" data-aria_expanded=\"Click to collapse: Welche Viskosit\u00e4t kann eine Zahnradpumpe f\u00f6rdern?\">What viscosity can a gear pump handle?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-welche-viskositaet-kann-eine-zahnradpumpe-foerdern' aria-labelledby='toggle-faq-welche-viskositaet-kann-eine-zahnradpumpe-foerdern' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>That depends on the speed. At 1,450 min\u207b\u00b9, 250 to 350 mm\u00b2\/s are permissible, depending on the size; at 1,000 min\u207b\u00b9, approximately 1,500 mm\u00b2\/s; and at 700 min\u207b\u00b9, approximately 2,500 mm\u00b2\/s. With a G-series gearmotor, up to 20,000 mm\u00b2\/s is possible at approximately 200 min\u207b\u00b9.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-eignet-sich-eine6-eb234108b68983de24944f33160fe2ba'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-eignet-sich-eine-zahnradpumpe-fuer-wasser-oder-duennfluessig' data-fake-id='#faq-eignet-sich-eine-zahnradpumpe-fuer-wasser-oder-duennfluessig' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-eignet-sich-eine-zahnradpumpe-fuer-wasser-oder-duennfluessig' data-slide-speed=\"200\" data-title=\"Eignet sich eine Zahnradpumpe f\u00fcr Wasser oder d\u00fcnnfl\u00fcssige Medien?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Eignet sich eine Zahnradpumpe f\u00fcr Wasser oder d\u00fcnnfl\u00fcssige Medien?\" data-aria_expanded=\"Click to collapse: Eignet sich eine Zahnradpumpe f\u00fcr Wasser oder d\u00fcnnfl\u00fcssige Medien?\">Is a gear pump suitable for water or low-viscosity fluids?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-eignet-sich-eine-zahnradpumpe-fuer-wasser-oder-duennfluessig' aria-labelledby='toggle-faq-eignet-sich-eine-zahnradpumpe-fuer-wasser-oder-duennfluessig' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>Generally speaking, yes, but not in the standard version. Water and low-viscosity chemicals provide little lubrication, so we use the stainless steel version with PEEK gears and adjust the speed accordingly. The design is always tailored to the specific medium.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-mhz48j3m-7-5eef32dd68bd7f5fd9949ede76e3f277'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-zahnradpumpe-temperaturbereich' data-fake-id='#faq-zahnradpumpe-temperaturbereich' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-zahnradpumpe-temperaturbereich' data-slide-speed=\"200\" data-title=\"In welchen Temperaturbereichen k\u00f6nnen die Pumpen betrieben werden?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: In welchen Temperaturbereichen k\u00f6nnen die Pumpen betrieben werden?\" data-aria_expanded=\"Click to collapse: In welchen Temperaturbereichen k\u00f6nnen die Pumpen betrieben werden?\">In what temperature ranges can the pumps be operated?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-zahnradpumpe-temperaturbereich' aria-labelledby='toggle-faq-zahnradpumpe-temperaturbereich' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p data-start=\"1988\" data-end=\"2099\">Depending on the model, our gear pumps cover a temperature range of <strong data-start=\"2067\" data-end=\"2093\">approx. -40 \u00b0C to +200 \u00b0C<\/strong> .<\/p>\n<p data-start=\"2101\" data-end=\"2302\">These are <strong data-start=\"2110\" data-end=\"2138\">technical limits<\/strong>where materials, seals, and gap dimensions must be precisely matched to the application.<br \/>\nApplications close to these limits should therefore always be coordinated with us.<\/p>\n<p data-start=\"2304\" data-end=\"2435\">For many standard applications (oils, heat transfer fluids), operating temperatures are typically well within this range.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-welche-angaben-b7-1f3b5ecd1ca2ae139c464b479db36fe8'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-welche-angaben-brauchen-sie-fuer-die-auslegung' data-fake-id='#faq-welche-angaben-brauchen-sie-fuer-die-auslegung' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-welche-angaben-brauchen-sie-fuer-die-auslegung' data-slide-speed=\"200\" data-title=\"Welche Angaben brauchen Sie f\u00fcr die Auslegung?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Welche Angaben brauchen Sie f\u00fcr die Auslegung?\" data-aria_expanded=\"Click to collapse: Welche Angaben brauchen Sie f\u00fcr die Auslegung?\">What information do you need for the design?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-welche-angaben-brauchen-sie-fuer-die-auslegung' aria-labelledby='toggle-faq-welche-angaben-brauchen-sie-fuer-die-auslegung' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>The most important factors are the pumped medium, viscosity, temperature, desired flow rate, and the required operating pressure or existing back pressure. Other helpful factors include voltage, the desired motor type, and the operating mode\u2014that is, continuous or intermittent operation. If not all values are known yet, we\u2019ll work with you to determine which specifications are truly necessary for your application.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-kann-eine-zahnra8-989ce31d46514f130e31bb6129177fc9'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-kann-eine-zahnradpumpe-gegen-einen-geschlossenen-ausgang-foe' data-fake-id='#faq-kann-eine-zahnradpumpe-gegen-einen-geschlossenen-ausgang-foe' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-kann-eine-zahnradpumpe-gegen-einen-geschlossenen-ausgang-foe' data-slide-speed=\"200\" data-title=\"Kann eine Zahnradpumpe gegen einen geschlossenen Ausgang f\u00f6rdern?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Kann eine Zahnradpumpe gegen einen geschlossenen Ausgang f\u00f6rdern?\" data-aria_expanded=\"Click to collapse: Kann eine Zahnradpumpe gegen einen geschlossenen Ausgang f\u00f6rdern?\">Can a gear pump deliver fluid against a closed outlet?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-kann-eine-zahnradpumpe-gegen-einen-geschlossenen-ausgang-foe' aria-labelledby='toggle-faq-kann-eine-zahnradpumpe-gegen-einen-geschlossenen-ausgang-foe' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>It continues to pump, and the pressure rises very quickly. This is a characteristic of all positive-displacement pumps. The system must therefore be protected against excessive pressure, for example, by a pressure relief valve. Continuous operation against a closed pressure line without protection is not permitted.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-wann-brauche-ich9-66b24c0560e5dd14795172abc0e04b68'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-wann-brauche-ich-ein-ueberdruckventil' data-fake-id='#faq-wann-brauche-ich-ein-ueberdruckventil' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-wann-brauche-ich-ein-ueberdruckventil' data-slide-speed=\"200\" data-title=\"Wann brauche ich ein \u00dcberdruckventil?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Wann brauche ich ein \u00dcberdruckventil?\" data-aria_expanded=\"Click to collapse: Wann brauche ich ein \u00dcberdruckventil?\">When do I need a pressure relief valve?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-wann-brauche-ich-ein-ueberdruckventil' aria-labelledby='toggle-faq-wann-brauche-ich-ein-ueberdruckventil' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>Whenever an impermissibly high pressure could build up on the discharge side. Typical causes include closed valves, blocked lines, intermittently operating loads, operator errors, or changes in the process. Whether an internal pump valve or an external solution is more appropriate depends on the application.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-in-welcher-einba10-9c77ce003c272d2e61e0566b038379c4'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-in-welcher-einbaulage-kann-die-pumpe-montiert-werden' data-fake-id='#faq-in-welcher-einbaulage-kann-die-pumpe-montiert-werden' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-in-welcher-einbaulage-kann-die-pumpe-montiert-werden' data-slide-speed=\"200\" data-title=\"In welcher Einbaulage kann die Pumpe montiert werden?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: In welcher Einbaulage kann die Pumpe montiert werden?\" data-aria_expanded=\"Click to collapse: In welcher Einbaulage kann die Pumpe montiert werden?\">In what mounting position can the pump be installed?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-in-welcher-einbaulage-kann-die-pumpe-montiert-werden' aria-labelledby='toggle-faq-in-welcher-einbaulage-kann-die-pumpe-montiert-werden' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>Our external gear pumps can generally be installed in various orientations. Depending on the model, seal, motor, and piping configuration, there may be additional factors to consider. For unusual installation situations, we review the application in advance.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-kann-ich-eine-pu11-f3252c4b035e2251877d258574b61665'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-kann-ich-eine-pumpe-eines-anderen-herstellers-durch-eine-lin' data-fake-id='#faq-kann-ich-eine-pumpe-eines-anderen-herstellers-durch-eine-lin' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-kann-ich-eine-pumpe-eines-anderen-herstellers-durch-eine-lin' data-slide-speed=\"200\" data-title=\"Kann ich eine Pumpe eines anderen Herstellers durch eine Linn-Pumpe ersetzen?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Kann ich eine Pumpe eines anderen Herstellers durch eine Linn-Pumpe ersetzen?\" data-aria_expanded=\"Click to collapse: Kann ich eine Pumpe eines anderen Herstellers durch eine Linn-Pumpe ersetzen?\">Can I replace a pump from another manufacturer with a Linn pump?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-kann-ich-eine-pumpe-eines-anderen-herstellers-durch-eine-lin' aria-labelledby='toggle-faq-kann-ich-eine-pumpe-eines-anderen-herstellers-durch-eine-lin' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p>In many cases, yes. It is helpful to provide the manufacturer and model, the nameplate or data sheet, the fluid being pumped, the flow rate, the pressure, the speed, the connections, the motor power, and photos of the installation. An identical replacement is not always necessary; we often resolve the issue with a technically suitable alternative.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-mhz48j3m-5-1-1-ee6b25e8aa397835ad4ac3cd84342f65'  itemscope=\"itemscope\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><h3 id='toggle-faq-zahnradpumpe-lieferzeit' data-fake-id='#faq-zahnradpumpe-lieferzeit' class='toggler  av-title-above av-inherit-border-color'  itemprop=\"name\"  role='tab' tabindex='0' aria-controls='faq-zahnradpumpe-lieferzeit' data-slide-speed=\"200\" data-title=\"Mit welchen Lieferzeiten ist bei Zahnradpumpen zu rechnen?\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Mit welchen Lieferzeiten ist bei Zahnradpumpen zu rechnen?\" data-aria_expanded=\"Click to collapse: Mit welchen Lieferzeiten ist bei Zahnradpumpen zu rechnen?\">What delivery times can be expected for gear pumps?<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/h3><div id='faq-zahnradpumpe-lieferzeit' aria-labelledby='toggle-faq-zahnradpumpe-lieferzeit' role='region' class='toggle_wrap  av-title-above'   itemscope=\"itemscope\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" ><div class='toggle_content invers-color av-inherit-border-color'  itemprop=\"text\" ><p data-start=\"3266\" data-end=\"3474\">As we are manufacturers ourselves and have an extensive warehouse for components and assemblies, we can usually deliver the majority of our gear pump portfolio within <strong data-start=\"3443\" data-end=\"3465\">approximately 1 to 4 weeks<\/strong> deliver.<\/p>\n<p data-start=\"3476\" data-end=\"3730\">Standard versions include <strong data-start=\"3506\" data-end=\"3536\">shorter-term deliveries<\/strong> often possible by arrangement.<br data-start=\"3564\" data-end=\"3567\" \/>Special designs (e.g., special materials, motors, or seal combinations) require additional time depending on the scope.<br \/>\nWe will clarify this in detail in the offer.<\/p>\n<\/div><\/div><\/div><\/section>\n<\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lp01cta-13d63a1a21c667dd3aa2568e9e9a3c83\">\n.flex_column.av-lp01cta-13d63a1a21c667dd3aa2568e9e9a3c83{\npadding:28px 0 0 0;\n}\n<\/style>\n<div  class='flex_column av-lp01cta-13d63a1a21c667dd3aa2568e9e9a3c83 av_one_full  avia-builder-el-35  el_after_av_one_full  el_before_av_section  avia-builder-el-last  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9\">\n#top .av_textblock_section.av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9 .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-sg89fy-f02a2ba328bbcecc3d6ec94346dda1e9'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Inquire about the gear pump with the manufacturer<\/h2>\n<p>A specific model number is not required for an inquiry. The most helpful information is a brief description of what the pump is intended to do in your system, including, if possible, the fluid being pumped, the temperature, the desired flow rate, and the required pressure. Based on this information, we will determine which design and model are suitable.<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-mhz2uxky-ea802cfa895001619eb740de68446892-wrap avia-button-left  avia-builder-el-37  el_after_av_textblock  avia-builder-el-last'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhz2uxky-ea802cfa895001619eb740de68446892\">\n#top #wrap_all .avia-button.av-mhz2uxky-ea802cfa895001619eb740de68446892{\nfont-size:16px;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/linn-pumpen.de\/en\/request-a-quote\/?kontext=Zahnradpumpen'  class='avia-button av-mhz2uxky-ea802cfa895001619eb740de68446892 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-theme-color'   aria-label=\"Request technical specifications\"><span class='avia_iconbox_title' >Request technical specifications<\/span><\/a><\/div><\/p><\/div><br \/>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9t1o1q-fae6e552106a241dbbce1ba36f92f800\">\n.avia-section.av-9t1o1q-fae6e552106a241dbbce1ba36f92f800{\nbackground-color:#0069b4;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_2'  class='avia-section av-9t1o1q-fae6e552106a241dbbce1ba36f92f800 alternate_color avia-section-large avia-no-border-styling  avia-builder-el-38  el_after_av_one_full  avia-builder-el-last  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-2270'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-84t8ry-c73ef64dfad3dca3430ae07a810de91d\">\n#top .av_textblock_section.av-84t8ry-c73ef64dfad3dca3430ae07a810de91d .avia_textblock{\nfont-size:30px;\ncolor:#ffffff;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-84t8ry-c73ef64dfad3dca3430ae07a810de91d'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p class=\"vc_custom_heading\"><strong>Do you still have questions or need support?<\/strong><\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5v7klq-3c8c931d86a7cbccbef3a556a3ee9857\">\n#top .av_textblock_section.av-5v7klq-3c8c931d86a7cbccbef3a556a3ee9857 .avia_textblock{\nfont-size:16px;\ncolor:#ffffff;\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-5v7klq-3c8c931d86a7cbccbef3a556a3ee9857'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>Contact us and let us work together to find the best solution for your requirements.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3k6w0e-d0f881df78f9294fcd4e1528daeaf239\">\n#top .hr.hr-invisible.av-3k6w0e-d0f881df78f9294fcd4e1528daeaf239{\nheight:10px;\n}\n<\/style>\n<div  class='hr av-3k6w0e-d0f881df78f9294fcd4e1528daeaf239 hr-invisible  avia-builder-el-41  el_after_av_textblock  el_before_av_button'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='avia-button-wrap av-1vtqzi-0066125425d1465b0a8128d490cf7fbd-wrap avia-button-center  avia-builder-el-42  el_after_av_hr  avia-builder-el-last'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1vtqzi-0066125425d1465b0a8128d490cf7fbd\">\n#top #wrap_all .avia-button.av-1vtqzi-0066125425d1465b0a8128d490cf7fbd{\nfont-size:20px;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-1vtqzi-0066125425d1465b0a8128d490cf7fbd:hover{\ncolor:white;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-1vtqzi-0066125425d1465b0a8128d490cf7fbd:hover .avia-svg-icon svg:first-child{\nfill:white;\nstroke:white;\n}\n<\/style>\n<a href='https:\/\/linn-pumpen.de\/en\/kontakt\/'  class='avia-button av-1vtqzi-0066125425d1465b0a8128d490cf7fbd av-link-btn avia-icon_select-no avia-size-large avia-position-center avia-color-light avia-font-color-theme-color-highlight'  title=\"Learn more\" aria-label=\"Learn more\"><span class='avia_iconbox_title' >Get in touch with us<\/span><span class='avia_button_background avia-button avia-color-theme-color-highlight' ><\/span><\/a><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_2'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-2270'><div class='entry-content-wrapper clearfix'><\/p>","protected":false},"excerpt":{"rendered":"<p>Zahnradpumpen von Linn-Pumpen f\u00f6rdern Fl\u00fcssigkeiten zuverl\u00e4ssig und gleichm\u00e4\u00dfig \u2013 ideal f\u00fcr \u00d6le, Chemikalien und W\u00e4rmetr\u00e4gerfl\u00fcssigkeiten.<\/p>","protected":false},"author":1,"featured_media":8115,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2270","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Zahnradpumpe vom Hersteller | Guss, Edelstahl | Linn-Pumpen<\/title>\n<meta name=\"description\" content=\"Zahnradpumpe vom Hersteller Linn-Pumpen: selbstansaugende Au\u00dfenzahnradpumpen f\u00fcr \u00d6l, W\u00e4rmetr\u00e4ger\u00f6l und viskose Medien, in Guss oder Edelstahl. 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Das Unternehmen fertigt Zahnradpumpen f\u00fcr Industrieanwendungen und vertreibt zus\u00e4tzlich Kreiselpumpen und Impellerpumpen. 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Request more information now.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/linn-pumpen.de\/en\/gear-pumps\/","og_locale":"en_US","og_type":"article","og_title":"Zahnradpumpen","og_description":"Zahnradpumpe vom Hersteller Linn-Pumpen: selbstansaugende Au\u00dfenzahnradpumpen f\u00fcr \u00d6l, W\u00e4rmetr\u00e4ger\u00f6l und viskose Medien, in Guss oder Edelstahl. 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