... : BS, ANSI, DIN, JIS 3) with socket and threa PVC VALVE BALL VALVE SIZE 1/2 TO 4Standard ANSI ,BS,DIN,GB etcMaterial ... normal temprature (-10-50degree)Connection type SOCKET ,threadStructure type trunnion ball valve pvc ball valve1) diameter: 1/2", 3/4", 1", 1-1 ... to swimming pool ,wastewater treatment ,agriculture ,irrigation, industrial application PVC VALVE BALL VALVE