Brass valve cartridge with stainless steel cover 1.500000times 2. Material: Cu =57-62%, Pb<3%, o-ring EPDM/ NBR 3. Size: 3/8''-1'' 4. Turn angle: 90 degree 5. Max Pressure: 20kp Our company is a professional manufacturer and exporter in hydraulic, water plumbing and heating scope. Our products include brass ball valves, brass gate valves, brass stop valves, bronze valves, brass bibcock, brass fitting, bronze coupling, brass manifold, water meter and all kinds of water meter parts. Such water meter body, water meter fitting and water meter flange. Our product material include brass(CuZn40Pb2), bronze(C83600 and C84400), CW614N, CW617N, CZ122, free lead bronze and brass etc.