standard design features
•top entry
•full port or reduce port
•fire safe design
•floating & trunnion mounted ball
•double block & bleed
•emergency sealant injection
•cavity pressure self relief
•anti blow-out proof stem
•anti-static device
•optional double piston design
production range
•valve size 1/2″~10″ (dn15-dn250)
•pressure asme class150~2500 (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, npt, sw
design standards
•design : asme 16.34/api 6d
•face to face : manufacture standard
•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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