Product description
Wafer type
Design and manufacture standards: JB/T8937, API594 and API6D
Face to face standards: JB/T8937, API594, API6D and DIN 3202
End connection standards: ANSI B16.5 and ANSI B16.47
Test and check standards: API598 and JB/T9092
Materials of body: A105, CF8, CF8M, CF3, CF3M, SS304 and SS316
Materials of disc: CF8, CF8M, CF3, CF3M, SS304 and SS316
Materials of eye bolt: WCB, SS304 and SS316
Materials of spring: CF8, CF8M, CF3, CF3M, SS304 and SS316
Material of seat: metal to metal, Viton, NBR and EPDM
Pressure: PN16-PN40, 150 to 300lbs, 10 to 20K
Size: 1-1/2 to 48" (DN40-DN1200)
Medium: water, oil, gas, steam, oil products and mining
Temperature: -29 to 425°C