4SR 12/24 - N-HYD - 300 litre submersible pump
HYDRAULIC PART. WITHOUT MOTOR.
Flow rate up to 300 l/min (18 m³/h). Head up to 138 metres.




The Pedrollo 4SR 12/24 N-HYD pump consists of only the impeller part, without the motor.
The 4SR 12/24 N-HYD can be mounted on any 5.5 HP engine.
Recommended for pumping clean water with sand content not exceeding 150 grams per cubic meter.
The PEDROLLO 4SR12/25 has a flow rate that varies from 50 to 300 litres per minute with a head from 29 to 138 metres.
Due to its high performance and reliability, it is suitable for domestic, civil and industrial use, for the distribution of water in conjunction with pressure tanks, for irrigation of vegetable gardens and gardens, for washing systems, for pressure raising or for fire-fighting systems.
Original spare part for 4SR12/24-N.
- Power (HP)
- 5.5
- Delivery mouth
- 2"
- Pump body
- AISI 304 stainless steel
- Impeller
- Delrin
- Number of impellers
- 25
- Pump shaft
- AISI 304 stainless steel
- Min. flow rate (l./min.)
- 50
- Max. flow rate (l./min.)
- 300
- Min. head (m.)
- 29
- Max. head (m.)
- 138
- Height (cm)
- 168
- External diameter (cm)
- 9.8
- Warranty (years)
- 2
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Power (HP) | Power (HP) 5.5 | Power (HP) 4 | Power (HP) 7.5 | Power (HP) 10 |
Delivery mouth | Delivery mouth 2" | 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 | Pump body AISI 304 stainless steel |
Impeller | Impeller Delrin | Impeller Noryl | Impeller Noryl | Impeller Noryl |
Number of impellers | Number of impellers 25 | Number of impellers 18 | Number of impellers 32 | Number of impellers 40 |
Pump shaft | Pump shaft AISI 304 stainless steel | Pump shaft AISI 304 stainless steel | Pump shaft AISI 304 stainless steel | Pump shaft AISI 304 stainless steel |
Min. flow rate (l./min.) | Min. flow rate (l./min.) 50 | Min. flow rate (l./min.) 50 | Min. flow rate (l./min.) 50 | Min. flow rate (l./min.) 50 |
Max. flow rate (l./min.) | Max. flow rate (l./min.) 300 | Max. flow rate (l./min.) 300 | Max. flow rate (l./min.) 300 | Max. flow rate (l./min.) 300 |
Min. head (m.) | Min. head (m.) 29 | Min. head (m.) 21.5 | Min. head (m.) 38.5 | Min. head (m.) 48 |
Max. head (m.) | Max. head (m.) 138 | Max. head (m.) 104 | Max. head (m.) 184 | Max. head (m.) 230 |
Height (cm) | Height (cm) 168 | Height (cm) 130.5 | Height (cm) 218.1 | Height (cm) 268.2 |
External diameter (cm) | External diameter (cm) 9.8 | External diameter (cm) 9.8 | External diameter (cm) 9.8 | External diameter (cm) 9.8 |
Warranty (years) | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 |