4SR 12/5 - N-HYD - 300 litre submersible pump
HYDRAULIC PART. WITHOUT MOTOR.
Flow rate up to 300 l/min (18 m³/h). Head up to 29 metres.




The Pedrollo 4SR 12/5 N-HYD pump consists of only the impeller part, without the motor.
The 4SR 12/5 N-HYD can be mounted on any 1 HP engine.
Recommended for pumping clean water with sand content not exceeding 150 grams per cubic meter.
It has a flow rate that varies from 50 to 300 litres per minute with a head of 6 to 29 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 4SR12/5-N.
- Power (HP)
- 1
- Delivery mouth
- 2"
- Pump body
- AISI 304 stainless steel
- Impeller
- Noryl
- Number of impellers
- 5
- Crankshaft
- AISI 304 stainless steel
- Min. flow rate (l./min.)
- 50
- Max. flow rate (l./min.)
- 300
- Min. head (m.)
- 6
- Max. head (m.)
- 29
- Height (cm)
- 49.1
- External diameter (cm)
- 9.8
- Warranty (years)
- 2
Compare with Similar Products
![]() 4SR 12/5 - N-HYD - 300 litre submersible pumpThis product HYDRAULIC PART. WITHOUT MOTOR. Flow rate up to 300 l/min (18 m³/h). Head up to 29 metres. | ![]() 4SR 12/7 - N-HYD - 300 litre submersible pumpHYDRAULIC PART. WITHOUT MOTOR. Flow rate up to 300 l/min (18 m³/h). Head up to 40.5 metres. | ![]() 4SR 12/9 - N-HYD - 300 litre submersible pumpHYDRAULIC PART. WITHOUT MOTOR. Flow rate up to 300 l/min (18 m³/h). Head up to 52 metres. | ![]() 4SR 12/13 - N-HYD - 300 litre submersible pumpHYDRAULIC PART. WITHOUT MOTOR. Flow rate up to 300 l/min (18 m³/h). Head up to 75 metres. | |
---|---|---|---|---|
Power (HP) | Power (HP) 1 | Power (HP) 1.5 | Power (HP) 2 | Power (HP) 3 |
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 Noryl | Impeller Noryl | Impeller Noryl | Impeller Noryl |
Number of impellers | Number of impellers 5 | Number of impellers 7 | Number of impellers 9 | Number of impellers 13 |
Crankshaft | Crankshaft AISI 304 stainless steel | Crankshaft AISI 304 stainless steel | Crankshaft -- | Crankshaft AISI 304 stainless steel |
Pump shaft | Pump shaft -- | Pump shaft -- | Pump shaft AISI 304 stainless steel | Pump shaft -- |
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.) 6 | Min. head (m.) 8.5 | Min. head (m.) 11 | Min. head (m.) 15.5 |
Max. head (m.) | Max. head (m.) 29 | Max. head (m.) 40.5 | Max. head (m.) 52 | Max. head (m.) 75 |
Height (cm) | Height (cm) 49.1 | Height (cm) 61.6 | Height (cm) 74.1 | Height (cm) 99.2 |
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 |