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NK 8/4 (10m) - 230 V 2 HP three-phase submersible electric pump
Flow rate up to 160 l/min (9.6 m³/h). Head up to 54 m. 1.5 Kw (2 HP) motor. 10 meters of cable.
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.
Description
The PEDROLLO NK 8/4 submersible pump is recommended for pumping clean water with a sand content not exceeding 50 grams per cubic metre.
Due to their high performance and reliability, they are recommended for pumping clean water in the domestic, civil and agricultural sectors, for distributing water in conjunction with pressure tanks, for irrigating vegetable gardens and gardens, for increasing pressure, etc.
Data sheet
- Motor connection
- THREE-PHASE
- Power (Kw)
- 1.5
- Power (HP)
- 2
- Absorption at 230V (A)
- 5.5
- Delivery port
- 1 "1/4
- Body Pump
- AISI 304 stainless steel
- Impeller
- Noryl
- Number of impellers
- 4
- Motor shaft
- AISI 431 stainless steel
- Check valve
- Yes
- Degree of protection
- IP 68
- Flow rate min. (l./min.)
- 40
- Max flow (l./min.)
- 180
- Min head (m.)
- 12
- Max head (m.)
- 51
- Cable length (m)
- 10
- Employments
- water supply, pressurization systems, irrigation
- Liquid temperature max. (° C)
- 40
- Height (cm)
- 56.3
- Outside diameter (cm)
- 13.5
- Weight kg)
- 19.2
- Guarantee
- 2
NK models and performances
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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 8/4 (10m) - 230 V 2 HP three-phase submersible electric pumpThis product Flow rate up to 160 l/min (9.6 m³/h). Head up to 54 m. 1.5 Kw (2 HP) motor. 10 meters of cable. |  NK 4/5 (10m) - 230 V 1.5 HP three-phase submersible electric pumpFlow rate up to 120 l/min (7.2 m³/h). Head up to 67 m. 1.1 Kw (1.5 HP) motor. 10 meters of cable. |  NK 4/6 (10m) - 230 V 2 HP three-phase submersible electric pumpFlow rate up to 120 l/min (7.2 m³/h). Head up to 180 m. 2.2 Kw (3 HP) motor. 10 meters of cable. |  NK 8/3 (10m) - 230 V 1.5 HP three-phase submersible electric pumpFlow rate up to 160 l/min (9.6 m³/h). Head up to 40.5 m. 1.1 Kw (1.5 HP) motor. 10 meters of cable. | |
|---|---|---|---|---|
| Motor connection | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE |
| Power (Kw) | Power (Kw) 1.5 | Power (Kw) 1.1 | Power (Kw) 1.5 | Power (Kw) 1.1 |
| Power (HP) | Power (HP) 2 | Power (HP) 1.5 | Power (HP) 2 | Power (HP) 1.5 |
| Absorption at 230V (A) | Absorption at 230V (A) 5.5 | Absorption at 230V (A) 4.8 | Absorption at 230V (A) -- | Absorption at 230V (A) 4.8 |
| Absorption at 400V (A) | Absorption at 400V (A) -- | Absorption at 400V (A) -- | Absorption at 400V (A) 3.2 | 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 4 | Number of impellers 5 | Number of impellers 6 | Number of impellers 3 |
| Motor shaft | Motor shaft AISI 431 stainless steel | Motor shaft AISI 431 stainless steel | Motor shaft Stainless steel EN 10088-3 1.4104 | 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.) 40 | Flow rate min. (l./min.) 20 | Flow rate min. (l./min.) 20 | Flow rate min. (l./min.) 40 |
| Max flow (l./min.) | Max flow (l./min.) 180 | Max flow (l./min.) 120 | Max flow (l./min.) 120 | Max flow (l./min.) 180 |
| Min head (m.) | Min head (m.) 12 | Min head (m.) 20 | Min head (m.) 24 | Min head (m.) 9 |
| Max head (m.) | Max head (m.) 51 | Max head (m.) 67 | Max head (m.) 80 | Max head (m.) 39 |
| 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) 56.3 | Height (cm) 57 | Height (cm) 61.7 | Height (cm) 51.6 |
| 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) 19.2 | Weight kg) 16.7 | Weight kg) 18.8 | Weight kg) 17.2 |
| Guarantee | Guarantee 2 | Guarantee 2 | Guarantee 2 | Guarantee 2 |