Top entry trunnion mounted ball valves featuring with integral body,top entry trunnion mounted ball .This type of valves give convenient of in-line repair or replacing valve internal components without removing the body from the pipeline.The seat seal design uses unique two-level soft sealing and metal to metal sealing to form triple sealing.The seat piston is designed after accurate calculation to ensure sealing reliability with small open/close torque and easy operation.The valve is widely used in the nature gas anfd pipeling,the industries of petrochemical,medicine,city constructions,etc.

Applicable tandard

design standard:API 6D,ASME B16.34,BS 5351,API 608,MSS SP-72

face to face:API 6D,ASME B16.10

end flange:ASME B16.5,ASME B16.47

buttwelding ends:ASME B16.25

inspection and test:API 6D,API 598

Products range

size:2''~30''(DN50~DN750)

rating:ANSI 150LB~1500LB

body materials:carbon steel,stainless steel,alloy steel

trim:A105+ENP,13Cr,F304,F316

operation:lever,gear,electric,pneumatic,hydraulic

Design features

full port or reduced port

integral body design

blowout-proof stem

top entry,trunnion mounted ball

emergency sealant injection

cavity pressure self relief

double block and bleed structure

fire safe design to API 607/API 6FA

anti-static to BS 5351