4SR 4/12 F-HYD - 100 litre submersible pump
HYDRAULIC PART. WITHOUT MOTOR.
Flow rate up to 100 l/min (6 m³/h). Head up to 96 metres.




The Pedrollo 4SR 4/12 F-HYD pump consists of only the impeller part, without the motor.
The 4SR 4/12 F-HYD can be mounted on any 1.5 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 20 to 100 litres per minute with a head from 33.5 to 96 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.
- Power (HP)
- 1.5
- Delivery mouth
- 1 "1/4
- Pump body
- AISI 304 stainless steel
- Impeller
- Delrin
- Number of impellers
- 12
- Pump shaft
- AISI 304 stainless steel
- Min. flow rate (l./min.)
- 20
- Max. flow rate (l./min.)
- 100
- Min. head (m.)
- 33.5
- Max. head (m.)
- 96
- Height (cm)
- 46.5
- External diameter (cm)
- 9.8
- Warranty (years)
- 2
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Power (HP) | Power (HP) 1.5 | Power (HP) 1 | Power (HP) 2 | Power (HP) 3 |
Delivery mouth | Delivery mouth 1 "1/4 | Delivery mouth 1 "1/4 | Delivery mouth 1 "1/4 | Delivery mouth 1 "1/4 |
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 Delrin | Impeller Delrin | Impeller Delrin |
Number of impellers | Number of impellers 12 | Number of impellers 8 | Number of impellers 15 | Number of impellers 22 |
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 |
Degree of protection | Degree of protection -- | Degree of protection IP 68 | Degree of protection -- | Degree of protection -- |
Min. flow rate (l./min.) | Min. flow rate (l./min.) 20 | Min. flow rate (l./min.) 20 | Min. flow rate (l./min.) 20 | Min. flow rate (l./min.) 20 |
Max. flow rate (l./min.) | Max. flow rate (l./min.) 100 | Max. flow rate (l./min.) 100 | Max. flow rate (l./min.) 100 | Max. flow rate (l./min.) 100 |
Min. head (m.) | Min. head (m.) 33.5 | Min. head (m.) 22.5 | Min. head (m.) 42 | Min. head (m.) 61.5 |
Max. head (m.) | Max. head (m.) 96 | Max. head (m.) 64 | Max. head (m.) 120 | Max. head (m.) 176 |
Height (cm) | Height (cm) 46.5 | Height (cm) 36.6 | Height (cm) 56.6 | Height (cm) 74 |
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 |