... DIN & ASTM STANDARD 5 CONNECTED BY THREAD 1 PVC BALL VALVE IS FOR WATER SUPPLY2 NO LEAKAGE ... , 110MM, 160MM 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4", 6"7. CONNECTION TYPE : CONNECTED ... PARTS, COMPACT INSTALLING FEATURE OF PVC BALL VALVE :1. DURABLE IN USAGE FOR LONG TIME2. HEALTHY TO ... FACTORY & TRADING COMPANY, MAINLY INTRODYCE AS BELOW: 1. THE FACTORY HAS A PRODUCTION HISTORY IN THIS FIELD ...