Multi Pump Water Booster Sets
A multi-pump booster set is a pressure boosting system in which two or three vertical multistage pumps work with a common header and control panel to hold pressure constant as water demand changes.
It is used for water supply to tall buildings, estates, hotels, hospitals and industrial plants. Pumps start in sequence with demand and provide standby operation.
Main Applications
- Tall building water boosting
- Estate and residence water supply
- Hotel and hospital systems
- Industrial process water
- Irrigation boosting
- Facilities needing standby supply
Technical Data
| System | 2 or 3-pump packaged booster set |
|---|---|
| Pump type | Vertical shaft, multistage centrifugal |
| Max. flow | 90 m³/h (3 pumps); 30 m³/h per pump |
| Max. head | 180 m |
| Pump pressure class | PN 25 |
| Fluid temperature | 0 °C … +40 °C |
| Motor power | 0.75 … 11 kW (per pump), 2-pole |
| Motor | IE3, IP55, class F insulation |
| Supply | 3~ 230/400 V, 50 Hz |
| Performance | ISO 9906:2012 Grade 3B |
Material Options
| Part | Material |
|---|---|
| Lower and upper body | Grey cast iron GG22–GG25 |
| Outer jacket | Stainless steel AISI 304 (1.4301) |
| Impellers and diffusers | Technopolymer (Noryl) |
| Shaft | Stainless steel AISI 304 (1.4301) |
| Mechanical seal | Carbon / ceramic / EPDM |
Which material? Values come from the booster set manufacturer sheet. In a multi-pump system total flow should be calculated from simultaneous demand and planned with one pump as standby.
Advantages
Standby Operation
- Continues if one pump fails
Energy Efficiency
- IE3 motors, staged start
Constant Pressure
- By demand
High Capacity
- Up to 90 m³/h
Construction and Design Features
- Vertical multistage pumps
- Suction and discharge headers
- Control panel
- Expansion tank and pressure switches
Send the number of floors, apartments or flow and head needs; we will size a suitable multi-pump booster set.
How to Choose?
- ConnectionDetermine suction source and header size.
- HeadCalculate top-floor pressure and line loss.
- FlowDetermine simultaneous demand and pump count.
- Motor and controlChoose variable-speed or fixed-speed control.
Complementary Products
Why ORFA?
Other Booster Sets & Hydrophores
Multi Pump Packaged Booster Sets
Multi pump packaged booster sets supply pumps, manifolds and control panel ready-assembled on a single base frame.
Details →
Variable Speed Booster Sets
Variable speed booster sets adjust pump speed with a frequency converter to provide constant pressure and save energy.
Details →
Single Pump Packaged Booster Sets
Single pump packaged booster sets are compact sets that increase mains water pressure in homes and small facilities.
Details →
Fire Booster Sets
Fire booster sets are fire pump sets that supply the required pressure and flow to sprinkler and fire hose cabinet lines.
Details →Our Multi Pump Water Booster Sets
ORFA supplies multi pump water booster sets in a range of pressure classes, sizes and connection types to suit your application. Descriptions, technical specifications, materials and dimension tables are available on each detail page.
Get a quote for your project
Our sales team will prepare the best solution for your needs.