4HRm 18/9 - PS - 3 HP single-phase submersible electric pump
Flow rate up to 420 l/min (25.2 m³/h). Head up to 52.5 metres. 2.2 kW (3 HP) motor.




The 4HRm 18/9 - PS submersible electric pump from the 4HR series by Pedrollo guarantees a long operating life.
Recommended for agricultural, civil and industrial installations.
Suitable for water distribution in conjunction with pressure tanks, for irrigation, for pressure boosting and for fire-fighting systems.
The engine of the 4HRm 18/9 - PS is encapsulated in a water bath.
It can be installed up to 200 meters below water level both horizontally and vertically.
- Motor connection
- SINGLE-PHASE
- Power (Kw)
- 2.2
- Power (HP)
- 3
- Delivery mouth
- 2"
- Pump body
- AISI 304 stainless steel
- Impeller
- AISI 304 stainless steel
- Number of impellers
- 30
- Pump shaft
- AISI 304 stainless steel
- Degree of protection
- IP 68
- Minimum flow rate (l./min.)
- 50
- Max. flow rate (l./min.)
- 420
- Min. head (m.)
- 11
- Max. head (m.)
- 52.5
- Cable length (m.)
- 3.6
- Jobs
- water supply, pressurization systems, irrigation, fire prevention systems
- Max. liquid temperature (°C)
- +35°C
- Height (cm)
- 115.5
- External diameter (cm)
- 10
- Weight (Kg)
- 28.2
- Warranty (years)
- 2
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Bearings
| Pump bearing - fixed part | Special elastomer |
| Pump bearing - rotating part | Stainless steel EN 1.4301 (AISI 304) |
Tree holding
Materials
| 1.3 - Delivery body | Stainless steel EN 1.4301 (AISI 304) |
| 3.0 - Impeller | Stainless steel EN 1.4301 (AISI 304) |
| 4.0 - Pump shaft | Stainless steel EN 1.4301 (AISI 304) |
| 4.2 - Towing joint | Stainless steel EN 1.4301 (AISI 304) |
| 5.1 - Diffuser | Stainless steel EN 1.4301 (AISI 304) |
| 5.2 - Wear ring | Special elastomer |
| 7.0 - Lantern | Stainless steel EN 1.4301 (AISI 304) |
| 7.1 - Check Valve | 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
![]() 4HRm 18/9 - PS - 3 HP single-phase submersible electric pumpThis product Flow rate up to 420 l/min (25.2 m³/h). Head up to 52.5 metres. 2.2 kW (3 HP) motor. | ![]() 4HRm 18/4 - PS - 1.5 HP single-phase submersible electric pumpFlow rate up to 420 l/min (25.2 m³/h). Head up to 23.4 meters. 1.1 kW (1.5 HP) motor. | ![]() 4HRm 18/6 - PS - 2 HP single-phase submersible electric pumpFlow rate up to 420 l/min (25.2 m³/h). Head up to 33.5 metres. 1.5 kW (2 HP) motor. | |
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| Price | Price €2,620.56 -45% €1,441.31 | Price €1,493.28 -45% €821.30 | Price €1,927.60 -45% €1,060.18 |
| Motor connection | Motor connection SINGLE-PHASE | Motor connection SINGLE-PHASE | Motor connection SINGLE-PHASE |
| Power (Kw) | Power (Kw) 2.2 | Power (Kw) 1.1 | Power (Kw) 1.5 |
| Power (HP) | Power (HP) 3 | Power (HP) 1.5 | Power (HP) 2 |
| Delivery mouth | Delivery mouth 2" | Delivery mouth 2" | Delivery mouth 2" |
| Pump body | Pump body AISI 304 stainless steel | Pump body AISI 304 stainless steel | Pump body AISI 304 stainless steel |
| Impeller | Impeller AISI 304 stainless steel | Impeller AISI 304 stainless steel | Impeller AISI 304 stainless steel |
| Number of impellers | Number of impellers 30 | Number of impellers 30 | Number of impellers 30 |
| Pump shaft | Pump shaft AISI 304 stainless steel | Pump shaft AISI 304 stainless steel | Pump shaft AISI 304 stainless steel |
| Degree of protection | 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.) 50 | Minimum flow rate (l./min.) 50 | Minimum flow rate (l./min.) 50 |
| Max. flow rate (l./min.) | Max. flow rate (l./min.) 420 | Max. flow rate (l./min.) 420 | Max. flow rate (l./min.) 420 |
| Min. head (m.) | Min. head (m.) 11 | Min. head (m.) 5 | Min. head (m.) 7 |
| Max. head (m.) | Max. head (m.) 52.5 | Max. head (m.) 23.4 | Max. head (m.) 33.5 |
| Cable length (m.) | Cable length (m.) 3.6 | Cable length (m.) 3.6 | Cable length (m.) 3.6 |
| Jobs | Jobs water supply, pressurization systems, irrigation, fire prevention systems | Jobs water supply, pressurization systems, irrigation, fire prevention systems | Jobs water supply, pressurization systems, irrigation, fire prevention systems |
| Max. liquid temperature (°C) | Max. liquid temperature (°C) +35°C | Max. liquid temperature (°C) +35°C | Max. liquid temperature (°C) +35°C |
| Height (cm) | Height (cm) 115.5 | Height (cm) 71 | Height (cm) 88.1 |
| External diameter (cm) | External diameter (cm) 10 | External diameter (cm) 10 | External diameter (cm) 10 |
| Weight (Kg) | Weight (Kg) 28.2 | Weight (Kg) 17.3 | Weight (Kg) 22 |
| Warranty (years) | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 |


