Variable Speed Booster Sets

Variable Speed (VFD) Packaged Booster Set

Variable Speed (VFD) Packaged Booster Set

A booster set is a pressurisation system comprising a pump, pressure tank, pressure switch or sensor and control panel that draws water from a reservoir or mains supply and delivers it to the point of use at the desired pressure in buildings and facilities where mains pressure is insufficient. In variable speed (VFD) booster sets, the pump motor speed is continuously adjusted according to demand via a frequency inverter.

Motor speed is increased or decreased based on the signal from the pressure sensor, maintaining constant system pressure regardless of consumption variation. As pumps rotate slowly at low demand, energy consumption is reduced, and soft starting prevents water hammer and mechanical wear. Single, dual and triple pump models are supplied with all stainless steel vertical multistage pumps.

Frequency inverterVariable speed
Fixed pressurePressure sensor controlled
1 / 2 / 3 pumpOptions
Energy savingsAt low demand

Advantages

  • Fixed pressure independent of consumption
  • Significant energy savings
  • Water hammer prevention through soft starting
  • Quiet and balanced operation

Applications

  • Residential buildings, residential communities and apartments
  • Hotels, hospitals and shopping centres
  • Office and commercial buildings
  • Industrial facility water pressurisation

Technical Specifications

ControlFrequency inverter + pressure sensor
Pump quantity1, 2 or 3
Pump typeAll stainless steel vertical multistage
MotorIE3

Materials

PumpsAll stainless steel hydraulic
PanelFrequency inverter control panel

Why ORFA?

Since 1985Over 40 years of experience in industrial plumbing equipment supply.
Technical AdviceSupport in selecting the correct valve based on line pressure and size.
Stock DeliveryCommon sizes dispatched from stock on the same day.
Spare PartsBall seals, packing and handle kits along with other valve spare parts from a single source.

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