... stem/ball: brass Cn39Pb3 according to EN12164 or EN12165, CW617, CW614 Seal: PTFE2, Size 1/4,1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2”, 3”, 4”3, Surface Brass finish, nickel ... finish, chrome finish4, Working temperature -20oC to 110oC5, Working medium Water ...