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Series NG - Self-Priming Pumps

Close-coupled self-priming shallow well jet pumps with built-in ejector.
NG: version with pump casing and lanter bracket in cast iron.
B-NG: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).

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Self-Priming Jet-Pumps type NG

Applications

For drawing water out of a well. As pressure boosting pump for central water systems with low pressure (follow local specifications if increasing network pressure). For clean liquids or slightly dirty surface water.
For garden use. For washing with a jet of water.

Operating conditions

Liquid temperature up to 40 °C
Ambient temperature up to 40 °C
Maximum permissible working pressure up to 10 bar
Continuous duty

Motor

2-pole induction motor, 50 Hz (n = 2900 rpm).
NG: three-phase 230/400 V ± 10%.
NGM:single-phase 230 V ± 10%, with thermal protector. Capacitor inside the terminal box. Insulation class F.
Protection IP 54.
Classification scheme IE2 for three-phase motors from 0,75 kW. Constructed in accordance with: EN 60034-1; EN 60034-30. EN 60335-1, EN 60335-2-41.

Special features on request

Other voltages
Frequency 60 Hz (as per 60 Hz data sheet)
Protection IP 55
Special mechanical seal

Materials

Components	NG	B-NG
Pump casing Cover with lantern bracket Diffuser plate	Cast iron GJL 200 EN 1561	Bronze G-Cu Sn 10 EN 1982
Impeller	Brass P- Cu Zn 40 Pb 2 UNI 5705
Shaft	Cr steel 1.4104 EN 10088 (AISI 430) für NG 3-4 Cr-Ni steel 1.4305 EN 10088 AISI 303) für NG 5-6-7-32	Cr-Ni-Mo steel 1.4401 EN 10088 (AISI 316)
Ejector casing NG 32	Cast iron GJL 200 EN 1561
Diffuser	PPO-GF20 (Noryl)
Nozzle	PPO-GF20 (Noryl) - (Messing P- Cu Zn 40 Pb 2 UNI 5705)
Mechanical seal	Carbon - Ceramic - NBR

Performance (n ≈ 2900 rpm)

3-phasig	230V	400V	P2		Q m³/h	0,25	0,5	1	1,5	2	2,5	3	3,5	4	4,5	5	5,5	6	6,5	7	8	9	9,5
	A	A	kW	HP	l/min	4,1	8,3	16,6	25	33,3	41,6	50	58,3	66,6	75	83,3	91,6	100	108	116	133	150	158
(B-)NG 3/A	3	1,7	0,55	0,75	H(M)	49	45,5	40	36	32	28	24
(B-)NG 41A	3,7	2,2	0,75	1		41	39	36	33	31	29	26	24	21
NG 32E	5	2,9	1,1	1,5			49	46	43,5	41	39	38	36	34	33	31
(B-)NG 5/16E	5	2,9	1,1	1,5			59	54	50	46	43	40	37	34,5	32
(B-)NG 5/18E	5	2,9	1,1	1,5			48,5	46	43,5	41,5	39,5	38	35,5	34	32	30,5	29	28
(B-)NG 5/22E	5	2,9	1,1	1,5			35,5	34,5	33	31,5	30,5	29,5	28	27	26	25	23,5	23	21,5	20,5	18,5	16,5	15,5
(B-)NG 6/18E	7,5	4,3	1,5	2			64,5	62	59	56	54	51	48,5	46	43,5	41,5	39	36,5
(B-)NG 6/22E	7,5	4,3	1,5	2			51,5	50	48,5	47	46	44,5	43	41,5	40	39	37,5	36,5	35	33,5	31	28,5	27
(B-)NG 7/16E	9,15	5,3	2,2	3			89	83	77	72	67	62	58	54
(B-)NG 7/18E	9,15	5,3	2,2	3			74,5	71,5	68,5	65,5	63	60	57,5	55	53	51	49	47	45
(B-)NG 7/22E	9,15	5,3	2,2	3			59	57,5	56,5	55	54	52,5	51	50	48,5	47	45,5	44	42,5	41,5	38	35	34

P1 Max. power input.	B-NG, B-NGM = Bronze construction.	H Gesamtförderhöhe in m.
P2 Rated motor power output.	Tolerances according to ISO 9906, annex A.

1-phasig	230V	P1	P2		Q m³/h	0,25	0,5	1	1,5	2	2,5	3	3,5	4	4,5	5	5,5	6	6,5	7	8	9	9,5
	A	kW	kW	HP	l/min	4,1	8,3	16,6	25	33,3	41,6	50	58,3	66,6	75	83,3	91,6	100	108	116	133	150	158
(B-)NGM 31A	4,5	0,9	0,55	0,75	H(M)	49	45,5	40	36	32	28	24
(B-)NGM 41A	5,7	1	0,75	1		41	39	36	33	31	29	26	24	21
NGM 32E	7,4	1,47	1,1	1,5			49	46	43,5	41	39	38	36	34	33	31
(B-)NGM 5/16E	7,4	1,64	1,1	1,5			59	54	50	46	43	40	37	34,5	32
(B-)NGM 5/18E	7,4	1,68	1,1	1,5			48,5	46	43,5	41,5	39,5	38	35,5	34	32	30,5	29	28
(B-)NGM S/22E	7,4	1,55	1,1	1,5			35,5	34,5	33	31,5	30,5	29,5	28	27	26	25	23,5	23	21,5	20,5	18,5	16,5	15,5
(B-)NGM 6118E	9,2	2	1,5	2			59	57	54	51	48	45	43	40	37,5	35	33	30
(B-)NGM 6122E	9,2	2	1,5	2			47	45	43,5	42	41	40	38	37	36	35	33	32	31	30	27	24	23

P1 Max. power input.	B-NG, B-NGM = Bronze construction.	H Gesamtförderhöhe in m.
P2 Rated motor power output.	Tolerances according to ISO 9906, annex A.

Dimensions and weights

TYPE	DN1	DN2	mm															kg
	ISO228		a1	a2	f	h1	h2	h3	m1	m2	m3	n1	n2	b	s	w	g
NG 3/A	G 1	G 1	127	8	430	150	43	207	60	52	8	185	155	35	9,5	100	11	18,4
NG 4/A	G 1	G 1	127	8	430	150	43	207	60	52	8	185	155	35	9,5	100	11	19,2
NG 5E	G 1½	G 1	160	10	560	165	57	197	60	50	10	215	175	40	11,5	115	11	29,2
NG 6E	G 1½	G 1	160	10	560	165	57	197	60	50	10	215	175	40	11,5	115	11	30,8
NG 7E	G 1½	G 1	160	10	560	165	57	197	60	50	10	215	175	40	11,5	115	11	31,3
NG 32E	G 1½	G 1	75	175	557	112	108	222	60	34	26	215	175	40	11	106	10	38

B-NG Bronze pump - shallow well jet pump

TYPE	DN1	DN2	mm															kg
	ISO228		a1	a2	f	h1	h2	h3	m1	m2	m3	n1	n2	b	s	w	g
B-NG 3/A	G1	G 1	127	8	430	150	43	207	60	52	8	185	155	35	9,5	100	11	20,8
B-NG 4/A	G1	G 1	127	8	430	150	43	207	60	52	8	185	155	35	9,5	100	11	21,5
B-NG 5E	G 1½	G 1	160	10	560	165	57	197	60	50	10	215	175	40	11,5	115	11	31,6
B-NG 6E	G 1½	G 1	160	10	560	165	57	197	60	50	10	215	175	40	11,5	115	11	32,9
B-NG 7E	G 1½	G 1	160	10	560	165	57	197	60	50	10	215	175	40	11,5	115	11	33,4

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