Technical Data
Pressure Reducing Valves Product Range

Last Updated

January 5, 2021

Flowflex reserve the right to alter the product ranges and specifications associated with its products without prior notice

Pressure Reducing Valves are a quick way of reducing and stabilising the downstream water mains pressure flow in a system. Valves can be installed both horizontally and vertically. The Pressure of the flow can be pre-set when installing the valve. Flowflex Pressure Reducing Valves are easy to operate using the adjustment screw and have a gauge port.

  • Can be installed both horizontally and vertically
  • 1/4" Outlet for Pressure Gauge on both sides
  • 5 Year Warranty


  • Domestic
  • Commercial
  • Industrial


Flowflex operates a quality management system audited by the British Standards Institute for the manufacture and supply of fittings and components for use in all applications of the HVAC industry.

Tube Compatibility

All installers should ensure that the size of the valve matches the size of the tube, whilst also ensuring both are in good condition and free from damage and imperfections.

Flowflex valves are designed to connect BS EN 1057 tube.

Working Conditions

Product Range Pressure Reducing Valves
Pressure Rating PN25
Working Temperature 0°C to 80°C
Maximum Inlet Pressure 16 Bar
Outlet Pressure Adjustable 0.5 to 7 Bar
Factory Set Pressure 3 Bar
All working conditions assume that the components have been assembled and connected correctly, and adhere to their respective tube compatiblity
When planning to use our products in applications outside the scope of our recommendations, approval from us should be obtained beforehand. Please contact us in these cases.
Pressure Reducing Valves
Intermediate pressure ratings shall be obtained by interpolation