StraVal PRS-09i Stainless Steel In-Line Pressure Regulator

This is a direct-acting diaphragm pressure-reducing valve (most often referred to as a pressure regulator) with an adjustable spring operating against a flexible elastomeric diaphragm subjected to the reduced outlet pressure of the valve which is controlled through an internal sensing port. This makes the valve an accurate pressure-sensing valve, or pressure-control valve used to control outlet pressures with a wide range of inlet pressures.

Features & Benefits

  • Water pressure regulator and air pressure regulator parts made from solid bar stock materials — unlike castings which have wall thickness variations.
  • Body: Standard valve materials are stainless steel (all sizes) and some brass (1/2″-1″ sizes only). Monel, titanium, Alloy 20, and Hastelloy model also available.
  • Trim: Stainless steel on valve poppet and seat is standard. Teflon sealing option is also available for air or gas service.
  • Teflon-Viton composite reinforced diaphragm is designed for much greater poppet travel than the stainless steel diaphragm valve models
  • PRS-05. Teflon film on the wetted side provides superior protection when used as a corrosion-resistant valve for a wide range of fluids and gases, chemicals, petroleum products, and steam. Viton is used on the non-wetted side of the diaphragm. Max temperature rating is 350 °F for most applications. Buna backing is available for lower temperature applications
  • In-line valve ports: Simplifies installation for new or existing piping. This water pressure regulator and air pressure regulator valve can also be
  • used as a steam pressure regulator and is also available with ANSI flanges (see PRS-09i-FLG). Our pressure-reduction valve is also available as a sanitary valve with sanitary flanges in all-stainless steel construction.
  • Spring chamber: Standard material is carbon steel as it is non-wetted, but can be upgraded to a stainless steel valve when the external environment is corrosive or sanitary