4SR 12/9 - N-HYD - 300 litre submersible pump
HYDRAULIC PART. WITHOUT MOTOR.
Flow rate up to 300 l/min (18 m³/h). Head up to 52 metres.
Delivery Options
| Carrier | Description | Estimated Delivery | |
|---|---|---|---|
![]() | Mail Boxes - 2 giorni | This courier delivers within 48 hours from the moment we entrust the products to him. | Wednesday 21 October - Thursday 22 October |
![]() | Poste Italiane - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust them with the products. | Wednesday 21 October - Thursday 22 October |
![]() | Poste Italiane - 3 giorni punto di ritiro | This courier delivers within 24/72 hours from the moment we entrust them with the products. | tomorrow |

Carrier: Mail Boxes - 2 giorni
Description: This courier delivers within 48 hours from the moment we entrust the products to him.
Estimated delivery:
Wednesday 21 October - Thursday 22 October

Carrier: Poste Italiane - 2 giorni Italia
Description: This courier delivers within 24/48 hours from the moment we entrust them with the products.
Estimated delivery:
Wednesday 21 October - Thursday 22 October

Carrier: Poste Italiane - 3 giorni punto di ritiro
Description: This courier delivers within 24/72 hours from the moment we entrust them with the products.
Estimated delivery:
tomorrow




The Pedrollo 4SR 12/9 N-HYD pump consists of only the impeller part, without the motor.
The 4SR 12/9 N-HYD can be mounted on any 2 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 11 to 52 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 4SR12/9-N.
- Power (HP)
- 2
- Pump body
- AISI 304 stainless steel
- Impeller
- Noryl
- Number of impellers
- 9
- Pump shaft
- AISI 304 stainless steel
- Minimum flow rate (l./min.)
- 50
- Max. flow rate (l./min.)
- 300
- Min. head (m.)
- 11
- Max. head (m.)
- 52
- Delivery mouth
- 2"
- Height (cm)
- 74.1
- External diameter (cm)
- 9.8
- Warranty (years)
- 2
Engine and mechanical performance
- Power (HP)
- 2
Pump components and construction
- Pump body
- AISI 304 stainless steel
- Impeller
- Noryl
- Number of impellers
- 9
- Pump shaft
- AISI 304 stainless steel
Hydraulic performance and filtration
- Minimum flow rate (l./min.)
- 50
- Max. flow rate (l./min.)
- 300
- Min. head (m.)
- 11
- Max. head (m.)
- 52
Installation and connections
- Delivery mouth
- 2"
Dimensions and weight
- Height (cm)
- 74.1
- External diameter (cm)
- 9.8
Packaging, maintenance, and warranty
- Warranty (years)
- 2
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|---|---|---|---|---|
| Price | Price €435.54 -45% €239.55 | Price €381.86 -45% €210.02 | Price €541.68 -45% €297.92 | Price €681.98 -45% €375.09 |
| Power (HP) | Power (HP) 2 | Power (HP) 1.5 | Power (HP) 3 | Power (HP) 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 Noryl | Impeller Noryl | Impeller Noryl | Impeller Noryl |
| Number of impellers | Number of impellers 9 | Number of impellers 7 | Number of impellers 13 | Number of impellers 18 |
| Crankshaft | Crankshaft -- | Crankshaft AISI 304 stainless steel | Crankshaft AISI 304 stainless steel | Crankshaft -- |
| Pump shaft | Pump shaft AISI 304 stainless steel | Pump shaft -- | Pump shaft -- | Pump shaft AISI 304 stainless steel |
| Minimum flow rate (l./min.) | Minimum flow rate (l./min.) 50 | 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.) 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.) 11 | Min. head (m.) 8.5 | Min. head (m.) 15.5 | Min. head (m.) 21.5 |
| Max. head (m.) | Max. head (m.) 52 | Max. head (m.) 40.5 | Max. head (m.) 75 | Max. head (m.) 104 |
| Delivery mouth | Delivery mouth 2" | Delivery mouth 2" | Delivery mouth 2" | Delivery mouth 2" |
| Height (cm) | Height (cm) 74.1 | Height (cm) 61.6 | Height (cm) 99.2 | Height (cm) 130.5 |
| 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 |






