1 PVC UNION BALL VALVE IS USED FOR WATER SUPPLY 2 ... PN10 4 CONNECTION : SOCKET OR THREAD 1 PVC UNION BALL VALVE IS USED FOR WATER SUPPLY2 NO LEAKAGE, 100% ... : IN POLYBAG, OR IN COLOR BOX, AND THEN, IN SEA WORTHY CARTON13. O-RING MATERIAL : EPDM14. WORKING TEMPERATURE : NORMAL15 ... . DURABLE IN USAGE FOR LONG TIME18. LOW TORQUE, EASY TO OPEN & CLOSE19. STANDARD : BOTH DIN & ASTM20. SIZE: 20MM, 25MM, ...