• Pressure Protection Valve with Internal Check Valve
• Used to protect the air brake system in case of failure of an attached device
• The built in check valve allows direct filling of system reservoirs from the supply line
• Can be used to direct fill system reservoirs because of the built in check valve
• Inlet Port(NPT): 3/8"
• Outlet Port(NPT): 3/8"
• Nominal Closing: 60 PSI
• Repair Kit: 140271