standard design features
•two piece or three piece
•single piston seat
•double piston seat
•double block and bleed
•anti blow-out proof stem
•anti-static device
•emergency sealant injection
•leakage rate class v
•secondary fire-safe metal to metal seat
•mesc-t.a.t
•ul/fm
•ce ped/97/23/ec
production range
•valve size : 1-1/2″~48″ (dn40-dn1200)
•pressure : asmeclass150~2500 (pn20-pn420)
•temperature : -46℃~200℃
•body materials : carbon steel, stainless steel, alloy steel, duplex steel, ni-al bronze
•trim : carbon steel, stainless steel, duplex steel, ni-al bronze
•end connection : rf, rtj, bw, ff
design standards
•design : asme 16.34/api 6d
•face to face : asme b16.10
•end flange : asme b16.5
•bw end : asme b16.25
•test : api 598/bs 6755/api 6d
•fire safe test : api 607/api 6fa
•special : nace mr-01-75, mr-01-03
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