pvc ball valve Meterial:PVC Size:1/2, 3/4, 1,1- ... temprature (-10-50degree)Connection type SOCKET ,threadStructure type trunnion ball valve pvc ball valve1) diameter: 1/2", 3/4", 1", 1-1 ... non-toxic7) Heat, corrosion resistance without fouling8) Insulation energy saving9) Light weight, high strength Technical characteristics: 1) Easy to stall , easy ...