... ) Standard: ANSI, BS, DIN, JISMaterial: Pvc Size: 1/2"-4" Type: Socket and threadPacking & DeliveryPacking Details: colorful box, polybag and carton ... tested at the end after the factory, Lowest leakage rate.8)Quality: Heat, high temperature, extremely long usage life for ... swimming pool, wastewater treatment, agriculture irrigation, industrial applications, etc 1/2-4 blue socket plastic ball valve