... , ball valve, angle valve, gate valve.filter valve,bibcock,fire valve, valve. heaing, pipe. Specificationsball valve 1, Size: inch 1/4 to 4 2 ... body 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 ...