4SR 1/15 S-PD - 0.75 HP three-phase submersible electric pump
Flow rate up to 30 l/min (1.8 m³/h). Head up to 105 meters. 0.55 kW (0.75 HP) motor.




The 4SR 1/15 S-PD submersible electric pump from the 4SR series by Pedrollo is among the best in the 4-inch submersible pump category.
It can be installed in domestic, civil and industrial environments, in particular for the distribution of water in combination with pressure tanks, for irrigation, for washing systems and for pressure boosting.
The hydraulic design of the 4SR 1/15 S-PD ensures high performance and efficiency and remarkable resistance to wear from sand and corrosion.
Equipped with an innovative system that guarantees a high priming capacity for operation in wells with the presence of gas or air mixed in the water.
It can pump clean water with a maximum of 200 grams of sand per cubic meter.
- Motor connection
- THREE-PHASE
- Power (Kw)
- 0.55
- Power (HP)
- 0.75
- Delivery mouth
- 1" 1/4
- Degree of protection
- IP 68
- Minimum flow rate (l./min.)
- 5
- Max. flow rate (l./min.)
- 30
- Min. head (m.)
- 46.5
- Max. head (m.)
- 105
- Cable length (m.)
- 2
- Jobs
- irrigation
- Weight (Kg)
- 13
- 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 1/15 S-PD - 0.75 HP three-phase submersible electric pumpThis product Flow rate up to 30 l/min (1.8 m³/h). Head up to 105 meters. 0.55 kW (0.75 HP) motor. | ![]() 4SR 1/10 S-PD - 0.50 HP three-phase submersible electric pumpFlow rate up to 30 l/min (1.8 m³/h). Head up to 70 meters. 0.37 kW (0.50 HP) motor. | ![]() 4SR 1/20 S-PD - 1 HP three-phase submersible electric pumpFlow rate up to 30 l/min (1.8 m³/h). Head up to 140 metres. 0.75 kW (1 HP) motor. | ![]() 4SR 1/29 S-PD - 1.5 HP three-phase submersible electric pumpFlow rate up to 30 l/min (1.8 m³/h). Head up to 203 meters. 1.1 kW (1.5 HP) motor. | |
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| Price | Price €683.20 -45% €375.76 | Price €602.68 -45% €331.47 | Price €768.60 -45% €422.73 | Price €915.00 -45% €503.25 |
| 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) 0.37 | Power (Kw) 0.75 | Power (Kw) 1.1 |
| Power (HP) | Power (HP) 0.75 | Power (HP) 0.50 | Power (HP) 1 | Power (HP) 1.5 |
| Delivery mouth | Delivery mouth 1" 1/4 | Delivery mouth 1" 1/4 | Delivery mouth 1" 1/4 | Delivery mouth 1" 1/4 |
| Degree of protection | Degree of protection IP 68 | Degree of protection IP 68 | Degree of protection IP 68 | Degree of protection IP 68 |
| Minimum flow rate (l./min.) | Minimum flow rate (l./min.) 5 | Minimum flow rate (l./min.) 5 | Minimum flow rate (l./min.) 5 | Minimum flow rate (l./min.) 5 |
| Max. flow rate (l./min.) | Max. flow rate (l./min.) 30 | Max. flow rate (l./min.) 30 | Max. flow rate (l./min.) 30 | Max. flow rate (l./min.) 30 |
| Min. head (m.) | Min. head (m.) 46.5 | Min. head (m.) 31 | Min. head (m.) 62 | Min. head (m.) 90 |
| Max. head (m.) | Max. head (m.) 105 | Max. head (m.) 70 | Max. head (m.) 140 | Max. head (m.) 203 |
| Cable length (m.) | Cable length (m.) 2 | Cable length (m.) 2 | Cable length (m.) 2 | Cable length (m.) 2 |
| Jobs | Jobs irrigation | Jobs irrigation | Jobs irrigation | Jobs irrigation |
| Weight (Kg) | Weight (Kg) 13 | Weight (Kg) 11 | Weight (Kg) 16 | Weight (Kg) 19 |
| Warranty (years) | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 |






