Internal and external thread union conical M/F: 1 Size:1/8"~4 ... BS 4 Processing: CNC Internal and external thread union conical M/F:1 Size:1/8"~4"2 ... itself. The product sells in distant markets such as the European, the Americas, the Australian state, Southeast Asia, the ... base. The main products cover ball valves , globe valves, gate valves, check valves, strainers, sanitary fittings, quick couplings ...