Spring external thread safety valve

Manufacturing standards: ANSI, APIDIN, BS, JIS, GB, etc
Product materials: WCB, WC6, WC1, WC9, ZGCr5Mo, ZG15Cr1Mo1VCF8, CF8M, CF3, CF3M, 12CrMoV, ZG1Cr18Ni9Ti, ZG1Cr18Ni12M02T, etc
Nominal diameter: DN10~600mm and 1/2 "~25"
Working pressure: 0.06~42.0MPa and 150lb~2500lb
Working temperature: -196 ℃~580 ℃