NK 4/6 (10m) - submersible electric Pump three-phase 230 V

Name: NK 4/6 (10m) - submersible electric Pump three-phase 230 V
Brand: Pedrollo
SKU: NK 4/6 230/240 V 10m
Price: 813.25 EUR
Availability: InStock

Flow rate up to 120 l/min (7.2 m3/h). Head up to 105 m. Motor 2.2 Kw (3 HP). 10 metres of cable.

Variants:

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Reinforced packaging to reduce transport damage.

After-sales assistance for product installation.

We supply all spare parts on this product.

Description

The submersible pump PEDROLLO NK 4/6 is recommended for pumping clean water with sand content not exceeding 50 g/m3.

For the high efficiency and reliability, they are recommended for pumping clean water in domestic, civil, agricultural, for the distribution of water in combination with autoclaves, for irrigation of orchards and gardens, for raising pressure, etc.,

Data sheet

Motor connection: THREE-PHASE
Motor power (HP): 2
Absorption at 400V (A): 3.2
Delivery port: 1 "1/4
Body Pump: AISI 304 stainless steel
Impeller: Noryl
Number of impellers: 6
Motor shaft: Stainless steel EN 10088-3 1.4104
Check valve: Yes
Degree of protection: IP 68
Flow rate min. (l./min.): 20
Max flow (l./min.): 120
Min head (m.): 24
Max head (m.): 80
Cable length (m): 10
Employments: water supply, pressurization systems, irrigation
Liquid temperature max. (° C): 40
Height (cm): 61.7
Outside diameter (cm): 13.5
Weight kg): 18.8
Guarantee: 2

Attachments

Technical data sheet NK

Construction and operating characteristics. Working curves, limits of use and dimensions of Pedrollo NK series pumps.

Download (512.65KB)

NK models and performances

GUY

three-phase

NK 2/2

NK 2/3

NK 2/4

NK 2/5

NK 2/6

NK 4/3

NK 4/4

NK 4/5

NK 4/6

NK 8/3

NK 8/4

POWER
KW	HP
0.37	0.50
0.55	0.75
0.75	1
1.1	1.5
1.5	2
0.55	0.75
0.75	1
1.1	1.5
1.5	2
1.1	1.5
1.5	2

IMPELLERS
number
2
3
4
5
6
3
4
5
6
3
4

PERFORMANCE
Q litres/min	H meters
10 ÷ 80	33 ÷ 17
10 ÷ 80	48 ÷ 23
10 ÷ 80	63÷31
10 ÷ 80	81 ÷ 40
10 ÷ 80	95 ÷ 48
20 ÷ 120	40 ÷ 12
20 ÷ 120	53 ÷ 16
20 ÷ 120	67 ÷ 20
20 ÷ 120	80 ÷ 24
40 ÷ 160	40 ÷ 16
40 ÷ 160	52 ÷ 21

MOUTH
DN
1 1/4"

Q	m³/hour	0	0.6	1.2	1.8	2.4	3.0	3.6	4.2	4.8	6.0	6.6	7.2	8.4	9.6
Q	l/min	0	10	20	30	40	50	60	70	80	100	110	120	140	160
H	meters	33	32	31	29.5	28	26	23.5	20.5	17
		48	46	44.5	42.8	40.5	37.5	33.5	29	23
		63	61	59	57	54	50	45	39	31
		81	79	75.5	73	68.5	63.5	57.5	49.5	40
		95	93	90	87	82	76	68.5	59.5	48
		40	-	39	38	37	35	33	30.5	28	20.5	16.5	12
		53	-	52	50.5	49	46.5	44	40.5	37	27.5	22	16
		67	-	65	63.5	61.5	58	55	50.5	46.5	34	27.5	20
		80	-	78	76	74	70	66	61	56	41	33	24
		40	-	-	-	39	38	37.5	36.5	35	32	30	28	22.5	16
		52	-	-	-	51	50	49	48	46	42	39	36	29	21

Construction data of the NK 2 series

Bearings

Pump side motor bearing	6303 2RS - C3
Opposite side engine bearing	6203 ZZ - C3E

Tree holding

Type of seal	Double mechanical seal in oil chamber
Engine side model	STA-17
LM diameter	17
LM fixed ring	Ceramic
LM rotating ring	Graphite
LM elastomer	NBR
Shrinkage DN1=450 DN2=350	ST1-16
LP diameter	16
LP fixed ring	Silicon carbide
LP rotating ring	Graphite
LP elastomer	NBR

Materials

2.1 - Seal holder cover	Stainless steel EN 1.4301 (AISI 304)
3.0 - Impeller	Reinforced technopolymer
4.0 - Pump shaft	Stainless steel EN 1.4057 (AISI 431)
5.1 - Diffuser	Reinforced technopolymer
5.3 - Diaphragm/Diffuser Cover	Stainless steel EN 1.4301 (AISI 304)
6.2 - Engine sleeve	Stainless steel EN 1.4301 (AISI 304)
7.2 - Pump shirt	Stainless steel EN 1.4301 (AISI 304)
8.0 - Suction Grid/Filter	Stainless steel EN 1.4301 (AISI 304)

Compare with Similar Products

	NK 4/6 (10m) - submersible electric Pump three-phase 230 V This product Flow rate up to 120 l/min (7.2 m3/h). Head up to 105 m. Motor 2.2 Kw (3 HP). 10 metres of cable.	NK 4/5 (10m) - submersible electric Pump three-phase 230 V Quick View Flow rate up to 120 l/min (7.2 m3/h). Prevalence of up to 67 m. Motor 1.1 Kw (1.5 HP). 10 metres of cable.	NK 8/3 (10m) - submersible electric Pump three-phase 230 V Quick View Flow rate up to 180 l/min (10.8 m3/h). Head up to 39 m. Motor 1.1 Kw (1.5 HP). 10 metres of cable.	NK 8/4 (10m) - submersible electric Pump three-phase 230 V Quick View Flow rate up to 180 l/min (10.8 m3/h). Head up to 51 m. Motor 1.5 Kw (2 HP). 10 metres of cable.
Motor connection	Motor connection THREE-PHASE	Motor connection THREE-PHASE	Motor connection THREE-PHASE	Motor connection THREE-PHASE
Motor power (HP)	Motor power (HP) 2	Motor power (HP) 1.5	Motor power (HP) 1.5	Motor power (HP) 2
Absorption at 230V (A)	Absorption at 230V (A) --	Absorption at 230V (A) 4.8	Absorption at 230V (A) 4.8	Absorption at 230V (A) 5.5
Absorption at 400V (A)	Absorption at 400V (A) 3.2	Absorption at 400V (A) --	Absorption at 400V (A) --	Absorption at 400V (A) --
Delivery port	Delivery port 1 "1/4	Delivery port 1 "1/4	Delivery port 1 "1/4	Delivery port 1 "1/4
Body Pump	Body Pump AISI 304 stainless steel	Body Pump AISI 304 stainless steel	Body Pump AISI 304 stainless steel	Body Pump AISI 304 stainless steel
Impeller	Impeller Noryl	Impeller Noryl	Impeller Noryl	Impeller Noryl
Number of impellers	Number of impellers 6	Number of impellers 5	Number of impellers 3	Number of impellers 4
Motor shaft	Motor shaft Stainless steel EN 10088-3 1.4104	Motor shaft AISI 431 stainless steel	Motor shaft AISI 431 stainless steel	Motor shaft AISI 431 stainless steel
Check valve	Check valve Yes	Check valve no	Check valve Yes	Check valve Yes
Degree of protection	Degree of protection IP 68	Degree of protection IP 68	Degree of protection IP 68	Degree of protection IP 68
Flow rate min. (l./min.)	Flow rate min. (l./min.) 20	Flow rate min. (l./min.) 20	Flow rate min. (l./min.) 40	Flow rate min. (l./min.) 40
Max flow (l./min.)	Max flow (l./min.) 120	Max flow (l./min.) 120	Max flow (l./min.) 180	Max flow (l./min.) 180
Min head (m.)	Min head (m.) 24	Min head (m.) 20	Min head (m.) 9	Min head (m.) 12
Max head (m.)	Max head (m.) 80	Max head (m.) 67	Max head (m.) 39	Max head (m.) 51
Cable length (m)	Cable length (m) 10	Cable length (m) 10	Cable length (m) 10	Cable length (m) 10
Employments	Employments water supply, pressurization systems, irrigation	Employments water supply, pressurization systems, irrigation	Employments water supply, pressurization systems, irrigation	Employments water supply, pressurization systems, irrigation
Liquid temperature max. (° C)	Liquid temperature max. (° C) 40	Liquid temperature max. (° C) 40	Liquid temperature max. (° C) 40	Liquid temperature max. (° C) 40
Height (cm)	Height (cm) 61.7	Height (cm) 57	Height (cm) 51.6	Height (cm) 56.3
Outside diameter (cm)	Outside diameter (cm) 13.5	Outside diameter (cm) 13.5	Outside diameter (cm) 13.5	Outside diameter (cm) 13.5
Weight kg)	Weight kg) 18.8	Weight kg) 16.7	Weight kg) 17.2	Weight kg) 19.2
Guarantee	Guarantee 2	Guarantee 2	Guarantee 2	Guarantee 2