Potter Roemer 4042 non-adjustable Reg-U-Matic pressure regulating valve

• Make: Potter Roemer
• Model code: 4042
• Use: Hose
• Inlet Size (in.): 1.5

The cast brass valve with rising stem has brass and stainless steel internal parts and aluminum hand wheel. There is also a female NPT inlet and outlet with visual indicator. It is used as a hose station control to regulate inlet pressure to 300 PSI/20.6 bars. Also may be used as a zone control valve to regulate high-pressure sprinkler, standpipe and combined systems with flow up to 250 FPM/946.3 lpm. Features: 1½"/3.8 cm Female X Female 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