Ebsray Pumps

PFM System


Ebsray's RV Series PFM (Pressure and Flow Modulating) System Equipment is designed and precision built for applications in pumping systems which demand accurate Constant Pressure Control (CPC) or Flow Modulation/Control

RV Series

Constructional Features

  • Maintains CPC irrespective of product viscosity or viscosity changes
  • Infinitely adjustable pressure settings from either local or remote stations - manual, automatic or PLC control.
  • Control mediums can be pneumatic or hydraulic.
  • 90° flanged porting arrangement
  • Smooth, vibration-free and quiet operation.

Materials of Construction

Casing - Ductile Iron, Steel.
Elastomers - Nitrile/Viton
Piston Seals - PTFE

Range of performance

Flows to 3000 L/min
Max Working Pressure - 1,850 kPa
Temperatures from 0°C to 150°C.

Model Lineup

RV32 - DN50 to 780 L/min
RV33 - DN80 to 1,500 L/min
RV34 - DN100 to 3,000 L/min

Standard variants and options are available to suit special applications and specifications.


Model RV33