NK 4/3 (10m) - 0.75 HP 230 V three-phase submersible electric pump
Flow rate up to 120 l/min (7.2 m³/h). Head up to 40 m. 0.55 kW (0.75 HP) motor. 10 m cable.
Delivery Options
| Carrier | Description | Estimated Delivery | |
|---|---|---|---|
 | Mail Boxes - 2 giorni | This courier delivers within 48 hours from the moment we entrust the products to him. | Wednesday 28 October - Thursday 29 October |
 | Poste Italiane - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust them with the products. | Wednesday 28 October - Thursday 29 October |
 | DHL - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust the products to him. | Wednesday 28 October - Thursday 29 October |
 | One Express - 2 giorni Italia | This courier delivers within 24/72 hours from the moment we entrust them with the products. | Friday 30 October - Monday 2 November |
 | Poste Italiane - 3 giorni punto di ritiro | This courier delivers within 24/72 hours from the moment we entrust them with the products. | Tuesday 27 October |
Carrier: Mail Boxes - 2 giorni
Description: This courier delivers within 48 hours from the moment we entrust the products to him.
Estimated delivery:
Wednesday 28 October - Thursday 29 October
Carrier: Poste Italiane - 2 giorni Italia
Description: This courier delivers within 24/48 hours from the moment we entrust them with the products.
Estimated delivery:
Wednesday 28 October - Thursday 29 October
Carrier: DHL - 2 giorni Italia
Description: This courier delivers within 24/48 hours from the moment we entrust the products to him.
Estimated delivery:
Wednesday 28 October - Thursday 29 October
Carrier: One Express - 2 giorni Italia
Description: This courier delivers within 24/72 hours from the moment we entrust them with the products.
Estimated delivery:
Friday 30 October - Monday 2 November
Carrier: Poste Italiane - 3 giorni punto di ritiro
Description: This courier delivers within 24/72 hours from the moment we entrust them with the products.
Estimated delivery:
Tuesday 27 October
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Telephone support for information before purchasing. -
Reinforced packaging to reduce transport damage. -
After-sales assistance for product installation. -
We supply all spare parts on this product.
The NK 4/3 submersible electric pump from Pedrollo 's NK series can pump clean water and chemically non-aggressive liquids with a maximum sand content of 150 grams per cubic meter.
It must be installed vertically with a maximum depth of 20 metres below water level.
Made of AISI 304 and 431 stainless steel for a solid and long-lasting final result.
The NK 4/3 stands out for its high efficiency and reliability which make it perfect for domestic, agricultural and industrial installations.
The motor is 0.75 HP. The flow rate varies from 10 to 120 liters per minute and the head varies from 12 to 40 meters.
- Jobs
- water supply, pressurization systems, irrigation
- Motor connection
- THREE-PHASE
- Power (Kw)
- 0.55
- Power (HP)
- 0.75
- Absorption at 230V (A)
- 3.2
- Pump body
- AISI 304 stainless steel
- Impeller
- Noryl
- Number of impellers
- 3
- Crankshaft
- AISI 431 stainless steel
- Check valve
- No
- Minimum flow rate (l./min.)
- 10
- Max. flow rate (l./min.)
- 120
- Min. head (m.)
- 12
- Max. head (m.)
- 40
- Max. liquid temperature (°C)
- +40°C
- Cable length (m.)
- 10
- Degree of protection
- IP 68
- Delivery mouth
- 1" 1/4
- Height (cm)
- 48.6
- External diameter (cm)
- 13.5
- Weight (Kg)
- 13.4
- Warranty (years)
- 2
Use and formulation of products
- Jobs
- water supply, pressurization systems, irrigation
Engine and mechanical performance
- Motor connection
- THREE-PHASE
- Power (Kw)
- 0.55
- Power (HP)
- 0.75
- Absorption at 230V (A)
- 3.2
Pump components and construction
- Pump body
- AISI 304 stainless steel
- Impeller
- Noryl
- Number of impellers
- 3
- Crankshaft
- AISI 431 stainless steel
- Check valve
- No
Hydraulic performance and filtration
- Minimum flow rate (l./min.)
- 10
- Max. flow rate (l./min.)
- 120
- Min. head (m.)
- 12
- Max. head (m.)
- 40
Liquids and pumping conditions
- Max. liquid temperature (°C)
- +40°C
Power supply and electrical parameters
- Cable length (m.)
- 10
Safety and protection
- Degree of protection
- IP 68
Installation and connections
- Delivery mouth
- 1" 1/4
Dimensions and weight
- Height (cm)
- 48.6
- External diameter (cm)
- 13.5
- Weight (Kg)
- 13.4
Packaging, maintenance, and warranty
- Warranty (years)
- 2
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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 4/3 (10m) - 0.75 HP 230 V three-phase submersible electric pumpThis product Flow rate up to 120 l/min (7.2 m³/h). Head up to 40 m. 0.55 kW (0.75 HP) motor. 10 m cable. |  NK 4/4 (10m) - 1 HP 230 V three-phase submersible electric pump Flow rate up to 120 l/min (7.2 m³/h). Head up to 53 m. 0.75 kW (1 HP) motor. 10 m cable. |  NK 4/5 (10m) - 1.5 HP 230 V three-phase submersible electric pump Flow rate up to 120 l/min (7.2 m³/h). Head up to 67 m. 1.1 kW (1.5 HP) motor. 10 m cable. |  NK 4/6 (10m) - 2 HP 230 V three-phase submersible electric pump Flow rate up to 120 l/min (7.2 m³/h). Head up to 180 m. 2.2 kW (3 HP) motor. 10-meter cable. | |
|---|---|---|---|---|
| Price | Price €741.76 -42% €430.22 | Price €772.26 -42% €447.91 | Price €811.30 -42% €470.55 | Price €862.54 -42% €500.27 |
| Jobs | Jobs water supply, pressurization systems, irrigation | Jobs water supply, pressurization systems, irrigation | Jobs water supply, pressurization systems, irrigation | Jobs water supply, pressurization systems, irrigation |
| Motor connection | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE |
| Power (Kw) | Power (Kw) 0.55 | Power (Kw) 0.75 | Power (Kw) 1.1 | Power (Kw) 1.5 |
| Power (HP) | Power (HP) 0.75 | Power (HP) 1 | Power (HP) 1.5 | Power (HP) 2 |
| Absorption at 230V (A) | Absorption at 230V (A) 3.2 | Absorption at 230V (A) 3.8 | Absorption at 230V (A) 4.8 | Absorption at 230V (A) -- |
| Current consumption at 400V (A) | Current consumption at 400V (A) -- | Current consumption at 400V (A) -- | Current consumption at 400V (A) -- | Current consumption at 400V (A) 3.2 |
| Pump body | Pump body AISI 304 stainless steel | Pump body AISI 304 stainless steel | Pump body AISI 304 stainless steel | Pump body AISI 304 stainless steel |
| Impeller | Impeller Noryl | Impeller Noryl | Impeller Noryl | Impeller Noryl |
| Number of impellers | Number of impellers 3 | Number of impellers 4 | Number of impellers 5 | Number of impellers 6 |
| Crankshaft | Crankshaft AISI 431 stainless steel | Crankshaft AISI 431 stainless steel | Crankshaft AISI 431 stainless steel | Crankshaft Stainless steel EN 10088-3 1.4104 |
| Check valve | Check valve No | Check valve No | Check valve No | Check valve Yes |
| Minimum flow rate (l./min.) | Minimum flow rate (l./min.) 10 | Minimum flow rate (l./min.) 10 | Minimum flow rate (l./min.) 10 | Minimum flow rate (l./min.) 10 |
| Max. flow rate (l./min.) | Max. flow rate (l./min.) 120 | Max. flow rate (l./min.) 120 | Max. flow rate (l./min.) 120 | Max. flow rate (l./min.) 120 |
| Min. head (m.) | Min. head (m.) 12 | Min. head (m.) 16 | Min. head (m.) 20 | Min. head (m.) 24 |
| Max. head (m.) | Max. head (m.) 40 | Max. head (m.) 53 | Max. head (m.) 67 | Max. head (m.) 80 |
| Max. liquid temperature (°C) | Max. liquid temperature (°C) +40°C | Max. liquid temperature (°C) +40°C | Max. liquid temperature (°C) +40°C | Max. liquid temperature (°C) +40°C |
| Cable length (m.) | Cable length (m.) 10 | Cable length (m.) 10 | Cable length (m.) 10 | Cable length (m.) 10 |
| Degree of protection | Degree of protection IP 68 | Degree of protection IP 68 | Degree of protection IP 68 | Degree of protection IP 68 |
| Delivery mouth | Delivery mouth 1" 1/4 | Delivery mouth 1" 1/4 | Delivery mouth 1" 1/4 | Delivery mouth 1" 1/4 |
| Height (cm) | Height (cm) 48.6 | Height (cm) 54.3 | Height (cm) 57 | Height (cm) 61.7 |
| External diameter (cm) | External diameter (cm) 13.5 | External diameter (cm) 13.5 | External diameter (cm) 13.5 | External diameter (cm) 13.5 |
| Weight (Kg) | Weight (Kg) 13.4 | Weight (Kg) 14 | Weight (Kg) 15.5 | Weight (Kg) 18.8 |
| Warranty (years) | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 |