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

• Make: Potter Roemer
• Model code: 4053
• Inlet Size (in.): 2.5

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. Features: 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