PRDX – The unique universal regulator

Simple, compact and robust design, the PRDX is suitable for a large number of applications: saturated steam, liquids (water, oil, hydrocarbons, acids, etc.) and gases (air, nitrogen, etc.).

This device is also universal in its design:

  • change spring range in a few minutes and without replacing any gasket.
  • Only one actuator and 6 springs for all standard range
  • Only one KV per DN in standard

Technical characteristics

Flanges : DN15 à DN100
PN16 à PN40
Screwed or welded ends : 1/2" à 2"
Body material : steel and stainless steel
trim : stainless steel
Standard spring range : 0.14 à 15 bars
PMO : 40 bars
Leackage class : IV as standard


  • Compact and robust design
  • No need for water pot on steam
  • Stainless steel internals 
  • Balanced : accurate and long life
  • Quick spring change with 6 springs for all DN
  • Only one actuator for DN15 to DN100 : easy for stock
  • Gasket and diaphragm FKM for a wide range of fluids
  • Easy maintenance
  • spring protected