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Variable Speed Constant Pressure Pumps VSRM58-102


4-6 Taps.  66LPM@49m head. Max Flow = 102LPM. Max Head = 58m

Additional information

Constant Pressure Pumps

Variable-frequency constant pressure pumps, adopt the latest in VVVF (variable voltage and variable frequency) AC frequency conversion and speed regulation technology. These high quality pumps also boast the latest pressure sensing technology, through the feedback of real-time pressure sensing (as compared to the preset pressure), which means the controller can adjust the motor speed and maintain constant outlet pressure, even with fluctuating demand.

The VSRM Constant Pressure Pumps series

Model Number = VSRM58-102
Rated Flow = 66LPM @ 49m head
Max Flow = 102LPM
Max Head = 58m
Inlet / Outlet = 32mm
Taps = 4-6
Warranty = 2 Years


Constant Pressure Pumps Applications

  • Whole house supply
  • Commercial laundry applications.
  • Industrial Cleaning (wash down areas etc.)
  • Apartment Blocks
  • Irrigation Supply


Features & Benefits

  • High efficiency and energy saving design when compared with traditional water supply pumps, saving up to 30%-60% on energy usage.
  • Long service life is guaranteed due to the minimal torque and abrasion on the shaft as a result of reduced revolutions in normal operation.
  • With the precise soft start and soft stop, water hammer is virtually eliminated in most installations, thereby protecting the plumbing and appliances from damage.
  • Supplied with 2L pressure tank, pre-charged to 2.0 bar (4L pressure tank on VSRM50-270 model).
  • Liquid temperature 0oC – 90oC
  • Environment temperature up to 50oC



  • All wetted parts are made of grade 304 stainless steel.
  • Continuous duty, 2-pole induction motor.
  • Thermal overload protection.
  • Class F motor insulation.
  • IP54 Ingress Protection rating.

variable speed pressure pump details


1) This pump is not suitable for suction lift applications. Use with above ground tanks only, the pump must have flooded suction.

2) The suction pipe must be of same or larger size than the pump inlet.

3) A swing check valve must be included in the suction pipework.

4) Other important conditions of warranty are in the instruction manual, read and follow the instructions prior to installation.


  • Never set pump at its max pressure = pump won’t turn off.
  • Typically set at 65% of max head pressure (approx middle of optimal operational range).
  • Do not have pump operating at any more than 80% of the max head pressure of the pump.
  • Pumps are designed to maintain the pressure they have been set at.
  • Pressure Boosting Application: Mains Pressure + (Max of 80% of total of head pressure) = Desired Pressure.









1.3 / 1.74


2 Years