... , BS, DIN, JISMaterial: Pvc Size: 1/2"-4" Type: Socket and threadPacking & DeliveryPacking Details: colorful box, polybag and carton, according to customs ... and no noise.7Each valve is pressure tested at the end after the factory, Lowest leakage rate.8)Quality: Heat, high temperature ... pool, wastewater treatment, agriculture irrigation, industrial applications, etc compact and octagonal pvc ball valve