4SR 1/15 S-PS - 0.75 HP three-phase submersible electric pump
Flow rate up to 30 l/min (1.8 m³/h). Head up to 105 meters. 0.55 Kw (0.75 HP) motor.




The PEDROLLO 4SR 1/15 S-PS is recommended for pumping clean water with a sand content not exceeding 150 grams per cubic metre.
It has a flow rate that varies from 5 to 30 litres per minute with a head from 46.5 to 105 metres.
Due to its high performance and reliability, it is suitable for domestic, civil and industrial use, for the distribution of water in combination with pressure tanks, for irrigation of vegetable gardens and gardens, for washing systems, for pressure raising or for fire-fighting systems.
Submersible electric pump with encapsulated PEDROLLO motor.
- Motor connection
- THREE-PHASE
- Power (Kw)
- 0.55
- Power (HP)
- 0.75
- Delivery mouth
- 1 "1/4
- Degree of protection
- IP 68
- Min. flow rate (l./min.)
- 5
- Max. flow rate (l./min.)
- 30
- Min. head (m.)
- 46.5
- Max. head (m.)
- 105
- Cable length (m)
- 2
- Weight (Kg)
- 13
- Warranty (years)
- 2
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Bearings
Pump bearing - fixed part | Anti-friction polymer |
Pump bearing - rotating part | Sintered AISI 316 steel with ceramic coating |
Tree holding
Materials
1.3 - Delivery body | Stainless steel EN 1.4301 (AISI 304) |
3.0 - Impeller | Reinforced technopolymer |
4.0 - Pump shaft | Stainless steel EN 1.4301 (AISI 304) |
4.2 - Towing joint | Stainless steel EN 1.4404 (AISI 316L) |
5.0 - Stadium box | Stainless steel EN 1.4301 (AISI 304) |
5.1 - Diffuser | Reinforced technopolymer |
7.0 - Lantern | Stainless steel EN 1.4301 (AISI 304) |
7.1 - Check Valve | Stainless steel EN 1.4301 (AISI 304) |
7.2 - Pump shirt | 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) |
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Motor connection | Motor connection THREE-PHASE | Motor connection -- | Motor connection -- | Motor connection -- |
Power (Kw) | Power (Kw) 0.55 | Power (Kw) -- | Power (Kw) -- | Power (Kw) -- |
Power (HP) | Power (HP) 0.75 | Power (HP) -- | Power (HP) -- | Power (HP) -- |
Delivery mouth | Delivery mouth 1 "1/4 | Delivery mouth -- | Delivery mouth -- | Delivery mouth -- |
Degree of protection | Degree of protection IP 68 | Degree of protection -- | Degree of protection -- | Degree of protection -- |
Min. flow rate (l./min.) | Min. flow rate (l./min.) 5 | Min. flow rate (l./min.) -- | Min. flow rate (l./min.) -- | Min. flow rate (l./min.) -- |
Max. flow rate (l./min.) | Max. flow rate (l./min.) 30 | Max. flow rate (l./min.) -- | Max. flow rate (l./min.) -- | Max. flow rate (l./min.) -- |
Min. head (m.) | Min. head (m.) 46.5 | Min. head (m.) -- | Min. head (m.) -- | Min. head (m.) -- |
Max. head (m.) | Max. head (m.) 105 | Max. head (m.) -- | Max. head (m.) -- | Max. head (m.) -- |
Cable length (m) | Cable length (m) 2 | Cable length (m) -- | Cable length (m) -- | Cable length (m) -- |
Attack size | Attack size -- | Attack size 3/4 ", 1 1/2 " | Attack size 1 1/4 ", 1 1/2 " | Attack size 3/4 ", 2" |
Weight (Kg) | Weight (Kg) 13 | Weight (Kg) -- | Weight (Kg) -- | Weight (Kg) -- |
Warranty (years) | Warranty (years) 2 | Warranty (years) -- | Warranty (years) -- | Warranty (years) -- |
Type of connection | Type of connection -- | Type of connection Nipple | Type of connection Nipple | Type of connection Nipple |
Type of attack | Type of attack -- | Type of attack male / male | Type of attack male / male | Type of attack male / male |