4SR 2/44 S-PD - 4 HP three-phase electric submersible pump
Flow rate up to 65 l/min (3.9 m³/h). Head up to 328 metres. 3 Kw (4 HP) motor.




The Pedrollo 4SR 2/44 S-PD electric pump is recommended for pumping clean water with a sand content not exceeding 200 g/m³.
It has a flow rate that varies from 10 to 65 liters per minute with a head from 94 to 328 metres.
Due to its high efficiency and reliability, it is suitable for use in the domestic, civil and industrial fields, for the distribution of water coupled with autoclaves, for the irrigation of vegetable gardens and gardens, for washing systems, for increasing pressure or for fire extinguishing systems.
Submersible electric pump with rewindable Pedrollo motor.
- Motor connection
- THREE-PHASE
- Power (Kw)
- 3
- Power (HP)
- 4
- Delivery mouth
- 1 "1/4
- Degree of protection
- IP 68
- Min. flow rate (l./min.)
- 10
- Max. flow rate (l./min.)
- 65
- Min. head (m.)
- 94
- Max. head (m.)
- 343
- Cable length (m)
- 2
- Jobs
- irrigation
- Weight (Kg)
- 28
- Warranty (years)
- 2
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Bearings
Pump bearing - fixed part | Anti-friction polymer |
Pump bearing - rotating part | Sintered AISI 316 steel with ceramic coating |
Tree holding
Materials
1.3 - Delivery body | Stainless steel EN 1.4301 (AISI 304) |
3.0 - Impeller | Reinforced technopolymer |
4.0 - Pump shaft | Stainless steel EN 1.4301 (AISI 304) |
4.2 - Towing joint | Stainless steel EN 1.4404 (AISI 316L) |
5.0 - Stadium box | Stainless steel EN 1.4301 (AISI 304) |
5.1 - Diffuser | Reinforced technopolymer |
7.0 - Lantern | Stainless steel EN 1.4301 (AISI 304) |
7.1 - Check Valve | Stainless steel EN 1.4301 (AISI 304) |
7.2 - Pump shirt | Stainless steel EN 1.4301 (AISI 304) |
7.3 - Cable cover | Stainless steel EN 1.4301 (AISI 304) |
8.0 - Suction Grid/Filter | Stainless steel EN 1.4301 (AISI 304) |
Compare with Similar Products
![]() 4SR 2/44 S-PD - 4 HP three-phase electric submersible pumpThis product Flow rate up to 65 l/min (3.9 m³/h). Head up to 328 metres. 3 Kw (4 HP) motor. | ![]() 4SR 2/23 S-PD - 2 HP three-phase submersible electric pumpFlow rate up to 65 l/min (3.9 m³/h). Head up to 179 meters. 1.5 Kw (2 HP) motor. | ![]() 4SR 2/33 S-PD - 3 HP three-phase submersible electric pumpFlow rate up to 65 l/min (3.9 m³/h). Head up to 257 meters. 2.2 Kw (3 HP) motor. | ![]() 4SR 2/58 S-PD - 5.5 HP three-phase submersible electric pumpFlow rate up to 65 l/min (1.8 m³/h). Head up to 452 m. 4 Kw (5.5 HP) motor. | |
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Motor connection | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE |
Power (Kw) | Power (Kw) 3 | Power (Kw) 1.5 | Power (Kw) 2.2 | Power (Kw) 4 |
Power (HP) | Power (HP) 4 | Power (HP) 2 | Power (HP) 3 | Power (HP) 5.5 |
Delivery mouth | Delivery mouth 1 "1/4 | Delivery mouth 1 "1/4 | Delivery mouth 1 "1/4 | Delivery mouth 1 "1/4 |
Pump body | Pump body -- | Pump body -- | Pump body -- | Pump body AISI 304 stainless steel |
Impeller | Impeller -- | Impeller -- | Impeller -- | Impeller Noryl |
Number of impellers | Number of impellers -- | Number of impellers -- | Number of impellers -- | Number of impellers 58 |
Crankshaft | Crankshaft -- | Crankshaft -- | Crankshaft -- | Crankshaft AISI 304 stainless steel |
Check valve | Check valve -- | Check valve -- | Check valve -- | Check valve No |
Degree of protection | Degree of protection IP 68 | Degree of protection IP 68 | Degree of protection IP 68 | Degree of protection IP 68 |
Min. flow rate (l./min.) | Min. flow rate (l./min.) 10 | Min. flow rate (l./min.) 10 | Min. flow rate (l./min.) 10 | Min. flow rate (l./min.) 10 |
Max. flow rate (l./min.) | Max. flow rate (l./min.) 65 | Max. flow rate (l./min.) 65 | Max. flow rate (l./min.) 65 | Max. flow rate (l./min.) 65 |
Min. head (m.) | Min. head (m.) 94 | Min. head (m.) 49 | Min. head (m.) 71 | Min. head (m.) 124 |
Max. head (m.) | Max. head (m.) 343 | Max. head (m.) 179 | Max. head (m.) 257 | Max. head (m.) 452 |
Cable length (m) | Cable length (m) 2 | Cable length (m) 2 | Cable length (m) 2 | Cable length (m) 3.6 |
Jobs | Jobs irrigation | Jobs irrigation | Jobs irrigation | Jobs irrigation |
Motor voltage | Motor voltage -- | Motor voltage -- | Motor voltage -- | Motor voltage 400V |
Height (cm) | Height (cm) -- | Height (cm) -- | Height (cm) -- | Height (cm) 20.7 |
Weight (Kg) | Weight (Kg) 28 | Weight (Kg) 19 | Weight (Kg) 25 | Weight (Kg) 34.4 |
Warranty (years) | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 |