Professional manufacturer of check valves!!!     lift check valve swing check valve wafer check valve       Paramters of check valve:     1.Size:1/2''-2''(DN15-DN50) 2.Norminal pressure : 200PSI Material: SS304,SS316,CF8,CF8M 3.Connect end: Thread (Female-Female) 4.Thread: BSPP 5.Sealring: PTFE 6.Body & Cap : Investment Casting 7.100% water and gas tested 8.ISO Certification 9.Applicable media: Water. Oil. Gas 10.Applicable Temp. --40To 180C.                     Package and Delivery             Workshop                   Company information:           The most professional manufactuer ,more than 40 years history ,exporting to all(percentage up to 71%-80%).total annusl sales volune can reach US$10Million -US$ 50 Million.                     Certificates: