1.Size:1/2'' - 4'' 2.Standard:CNS,JIS,BS,ANSI,DIN 3.Thread end: thread and socket 4.structure:ball "ZOOR" New ... check valve, water valve) description:1)Material: Good quality, new material of PVC2)Size: 1/2''-4''3)Connector type: Thread and socket4 ... )Standard: BS, ANSI, DIN, JIS5)Temperature: -10--65degreeTechnical characteristics:1)installation and ...