... type SOCKET ,threadStructure type trunnion ball valve pvc ball valve1) diameter: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4" 2 ... and no noise 4)Quality : Heat ,durableApplication: Applies to swimming pool ,wastewater treatment ,agriculture ,irrigation, industrial application PVC VALVE ...