Potter Roemer 4053 non-adjustable Reg-U-Matic pressure regulating valve

Potter Roemer 4053 Valve
BrandPotter Roemer
Model Code 4053
Inlet Size (in.)2.5
Model Info

Used as a control and regulating valve for fire service end-of-line application on high-pressure sprinkler, standpipe and combined systems. The valve is used to regulate inlet pressure to 400 PSI/27.5 bars. This cast brass valve with rising stem has brass and stainless steel internal parts, aluminum hand wheel, female NPT inlet X male hose thread outlet.


  • 2½"/6.4 cm Female X Male
  • Hydraulic piston design
  • Tamper Proof Pressures
  • Selected pressure control under residual and static conditions
  • Selected pressure control for 20 to 400 PSI/1.3 to 27.5 bars
  • Valve opens fully under low residual supply pressure
  • Monitor Switch Adapter to provide valve supervision

Additional Features: 

  • Maximum back pressure does not damage valve components
  • Listed by Underwriters Laboratories as a checking device
  • Listed by Underwriters Laboratories up to 400 PSI/27.5 bars pressure
  • Complete piping system can be hydrostatically tested to 400 PSI/27.5bars without damage to valve
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