6SR18/4 - PD - 5.5 HP three-phase submersible electric pump
Flow rate up to 450 l/min (27 m³/h). Head up to 54 m. 4 kW (5.5 HP) motor.
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 11 March - Thursday 12 March |
![]() | Poste Italiane - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust them with the products. | Wednesday 11 March - Thursday 12 March |
![]() | DHL - 2 giorni Italia | This courier delivers within 24/48 hours from the moment we entrust the products to him. | Wednesday 11 March - Thursday 12 March |
![]() | One Express - 2 giorni Italia | This courier delivers within 24/72 hours from the moment we entrust them with the products. | Friday 13 March - Monday 16 March |
![]() | Poste Italiane - 3 giorni punto di ritiro | This courier delivers within 24/72 hours from the moment we entrust them with the products. | Wednesday 11 March |
![]() | Ritiro in negozio | Choose where to collect your order within 24/48 hours. | Wednesday 11 March |

Carrier: Mail Boxes - 2 giorni
Description: This courier delivers within 48 hours from the moment we entrust the products to him.
Estimated delivery:
Wednesday 11 March - Thursday 12 March

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 11 March - Thursday 12 March

Carrier: DHL - 2 giorni Italia
Description: This courier delivers within 24/48 hours from the moment we entrust the products to him.
Estimated delivery:
Wednesday 11 March - Thursday 12 March

Carrier: One Express - 2 giorni Italia
Description: This courier delivers within 24/72 hours from the moment we entrust them with the products.
Estimated delivery:
Friday 13 March - Monday 16 March

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:
Wednesday 11 March

Carrier: Ritiro in negozio
Description: Choose where to collect your order within 24/48 hours.
Estimated delivery:
Wednesday 11 March




The 6SR18/4 - PD submersible electric pump from the 6SR series by Pedrollo stands out for its reliability and high performance.
Its reliability makes it recommended for agricultural, municipal and civil installations.
It is particularly suitable for water distribution in conjunction with pressure tanks, for irrigation, for pressure boosting and for fire-fighting systems.
The 6SR18/4 - PD is equipped with impellers and diffusers that can resist abrasion caused by sand.
Pedrollo has created a solid and robust product thanks to the use of a mix of cast iron and stainless steel.
- Motor connection
- THREE-PHASE
- Power (Kw)
- 4
- Power (HP)
- 5.5
- Delivery mouth
- 3"
- Pump body
- AISI 304 stainless steel
- Impeller
- Noryl
- Number of impellers
- 4
- Pump shaft
- AISI 304 stainless steel
- Minimum flow rate (l./min.)
- 50
- Max. flow rate (l./min.)
- 450
- Min. head (m.)
- 22
- Max. head (m.)
- 54
- Jobs
- fire prevention systems, cooling systems, irrigation, water supply
- Max. liquid temperature (°C)
- +35°C
- Height (cm)
- 114
- External diameter (cm)
- 149.5
- Weight (Kg)
- 49.6
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Bearings
| Pump bearing - fixed part | Special elastomer |
| Pump bearing - rotating part | Sintered AISI 316 steel with ceramic coating |
Tree holding
Materials
| 1.3 - Delivery body | Cast iron GJL 200 EN 1561 |
| 3.0 - Impeller | Reinforced technopolymer |
| 4.0 - Pump shaft | Stainless steel EN 1.4301 (AISI 304) |
| 4.2 - Towing joint | Stainless steel EN 1.4021 (AISI 420) |
| 5.0 - Stadium box | Stainless steel EN 1.4301 (AISI 304) |
| 5.1 - Diffuser | Reinforced technopolymer |
| 7.0 - Lantern | Cast iron GJL 200 EN 1561 |
| 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) |
Compare with Similar Products
![]() 6SR18/4 - PD - 5.5 HP three-phase submersible electric pumpThis product Flow rate up to 450 l/min (27 m³/h). Head up to 54 m. 4 kW (5.5 HP) motor. | ![]() 6SR18/6 - PD - 7.5 HP three-phase submersible electric pumpFlow rate up to 450 l/min (27 m³/h). Head up to 81 m. 5.5 kW (7.5 HP) motor. | ![]() 6SR18/9 - PD - 10 HP three-phase submersible electric pumpFlow rate up to 450 l/min (27 m³/h). Head up to 122 m. 7.5 Kw (10 HP) motor. | ![]() 6SR18/11 - PD - 12.5 HP three-phase submersible electric pumpFlow rate up to 450 l/min (27 m³/h). Head up to 149 m. 9.2 kW (12.5 HP) motor. | |
|---|---|---|---|---|
| Price | Price €2,344.84 -45% €1,289.66 | Price €2,430.24 -45% €1,336.63 | Price €2,572.98 -45% €1,415.14 | Price €2,726.70 -45% €1,499.69 |
| Motor connection | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE | Motor connection THREE-PHASE |
| Power (Kw) | Power (Kw) 4 | Power (Kw) 5.5 | Power (Kw) 7.5 | Power (Kw) 9.2 |
| Power (HP) | Power (HP) 5.5 | Power (HP) 7.5 | Power (HP) 10 | Power (HP) 12.5 |
| Delivery mouth | Delivery mouth 3" | Delivery mouth 3" | Delivery mouth 2" 1/2 | Delivery mouth 3" |
| Pump body | Pump body AISI 304 stainless steel | Pump body Cast iron | Pump body Cast iron | Pump body Cast iron |
| Impeller | Impeller Noryl | Impeller Noryl | Impeller Noryl | Impeller Noryl |
| Number of impellers | Number of impellers 4 | Number of impellers 6 | Number of impellers 9 | Number of impellers 11 |
| 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 |
| 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.) 450 | Max. flow rate (l./min.) 450 | Max. flow rate (l./min.) 450 | Max. flow rate (l./min.) 450 |
| Min. head (m.) | Min. head (m.) 22 | Min. head (m.) 32 | Min. head (m.) 48 | Min. head (m.) 59 |
| Max. head (m.) | Max. head (m.) 54 | Max. head (m.) 81 | Max. head (m.) 122 | Max. head (m.) 149 |
| Jobs | Jobs fire prevention systems, cooling systems, irrigation, water supply | Jobs water supply, pressurization systems, irrigation, fire prevention systems | Jobs water supply, pressurization systems, irrigation, fire prevention systems | Jobs water supply, pressurization systems, irrigation, fire prevention systems |
| Max. liquid temperature (°C) | Max. liquid temperature (°C) +35°C | Max. liquid temperature (°C) +35°C | Max. liquid temperature (°C) +35°C | Max. liquid temperature (°C) +35°C |
| Height (cm) | Height (cm) 114 | Height (cm) 125.7 | Height (cm) 142.2 | Height (cm) 154.9 |
| External diameter (cm) | External diameter (cm) 149.5 | External diameter (cm) 149.5 | External diameter (cm) 149.5 | External diameter (cm) 149.5 |
| Weight (Kg) | Weight (Kg) 49.6 | Weight (Kg) 53.6 | Weight (Kg) 60.3 | Weight (Kg) 67 |
| Warranty (years) | Warranty (years) -- | Warranty (years) 2 | Warranty (years) 2 | Warranty (years) 2 |



