Potter Roemer 4059 non-adjustable Reg-U-Matic pressure regulating valve

• Make: Potter Roemer
• Model code: 4059

Used downstream from a pressure regulating valve to protect system components from high pressure surges. This cast brass valve with 3/4"/1.9cm NPT male inlet X 3/4"/1.9cm NPT female outlet is adjustable/fixed and can be set at 15 PSI through 175 PSI/1 through 12 bars. Features: Automatic Fire Sprinkler System Pressure Relief Valve 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