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NK 4/6 (10m) - submersible electric Pump three-phase 400 V
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.
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 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
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 4/6 (10m) - submersible electric Pump three-phase 400 VThis 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 400 VFlow 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 400 VFlow 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 400 VFlow 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 400V (A) | Absorption at 400V (A) 3.2 | Absorption at 400V (A) 2.8 | Absorption at 400V (A) 2.8 | Absorption at 400V (A) 3.2 |
| 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 |
