Brass ball valve Full port (flow) PTFE Bushing and EPDM O ring sealing Maintenence free DN15, DN20, up to DN100, PN40 ... brass optional, nickle platedChrome plated brass ball, Lead free brass or normal brass optionalBrass stem with PTFE bushing and EPDM ... , CuZn39Pb3, CW617n, CuZn40Pb2, DZRBall MaterialBrass as above, lead free brass, Iron ball chrome coatedStem MaterialBrass as above, iron brass ...