4SR 6/43 S-PS - 7.5 HP three-phase submersible electric pump
Flow rate up to 150 l/min (9 m³/h). Head up to 284 meters. 5.5 kW (7.5 HP) motor.




The 4SR 6/43 S-PS submersible electric pump from the 4SR series by Pedrollo guarantees exceptional performance and efficiency.
The refined hydraulic design ensures exceptional performance and remarkable wear resistance.
Among the best in the 4-inch submersible category.
The 4SR 6/43 S-PS is equipped with a patented inductor which guarantees a high priming capacity.
It can be installed both horizontally and vertically up to 200 meters below water level.
- Motor connection
- THREE-PHASE
- Power (Kw)
- 5.5
- Power (HP)
- 7.5
- Delivery mouth
- 2"
- Degree of protection
- IP 68
- Minimum flow rate (l./min.)
- 25
- Max. flow rate (l./min.)
- 150
- Min. head (m.)
- 104
- Max. head (m.)
- 284
- Cable length (m.)
- 2
- Weight (Kg)
- 40
- 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) |

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 1.4301 (AISI 304) |
| 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 6/43 S-PS - 7.5 HP three-phase submersible electric pumpThis product Flow rate up to 150 l/min (9 m³/h). Head up to 284 meters. 5.5 kW (7.5 HP) motor. | ![]() 4SR 6/24 S-PS - 4 HP three-phase submersible electric pumpFlow rate up to 150 l/min (9 m³/h). Head up to 158 metres. 3 kW (4 HP) motor. | ![]() 4SR 6/32 S-PS - 5.5 HP three-phase submersible electric pumpFlow rate up to 150 l/min (9 m³/h). Head up to 211 meters. 4 kW (5.5 HP) motor. | ![]() 4SR 6/58 S-PS - 10 HP three-phase submersible electric pumpFlow rate up to 150 l/min (9 m³/h). Head up to 368 meters. 7.5 kW (10 HP) motor. | |
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| Price | Price €2,278.96 -45% €1,253.43 | Price €1,571.36 -45% €864.25 | Price €1,839.76 -45% €1,011.87 | Price €3,126.86 -45% €1,719.77 |
| Motor connection | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE |
| Power (Kw) | Power (Kw) 5.5 | Power (Kw) 3 | Power (Kw) 4 | Power (Kw) 7.5 |
| Power (HP) | Power (HP) 7.5 | Power (HP) 4 | Power (HP) 5.5 | Power (HP) 10 |
| Delivery mouth | Delivery mouth 2" | Delivery mouth 2" | Delivery mouth 2" | Delivery mouth 2" |
| 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.) 25 | Minimum flow rate (l./min.) 25 | Minimum flow rate (l./min.) 25 | Minimum flow rate (l./min.) 25 |
| Max. flow rate (l./min.) | Max. flow rate (l./min.) 150 | Max. flow rate (l./min.) 150 | Max. flow rate (l./min.) 150 | Max. flow rate (l./min.) 150 |
| Min. head (m.) | Min. head (m.) 104 | Min. head (m.) 58 | Min. head (m.) 77 | Min. head (m.) 140 |
| Max. head (m.) | Max. head (m.) 284 | Max. head (m.) 158 | Max. head (m.) 211 | Max. head (m.) 383 |
| Cable length (m.) | Cable length (m.) 2 | Cable length (m.) 2 | Cable length (m.) 2 | Cable length (m.) 2 |
| Weight (Kg) | Weight (Kg) 40 | Weight (Kg) 30 | Weight (Kg) 35 | Weight (Kg) 45 |
| Warranty (years) | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 |






