TOP ENTRY BALL VALVE is mainly used in pipeline and industry system and it has a top entry and on line maintenance function.It has a lot of advantages,such as small fluid resistance,simple structure,small volume,light weight,reliable saaling,convenience for operation and maintenance,open and close quickly,as well as start and close flexibly.
Our top entry ball valves are available in size 2~24”ANSI class rating 150 to 1500 and temperature ratings of -46 to 250 . A ll meet the fire safe requirement of BS 6755 and API 6FA.
The top entry trunnion supported design and unique seat retraction technique gives the convenience of in-line repair or replace valve internal components without dismantling it from pipe line.
Because each ball seat shuts off the line fluid independently on the upstream side, so this series ball valves are suitable for double block and bleed application.Secondary sealant injection system for stem and seat is provided for emergency stop of accidental seat or stem leakage. The top entry ball valves are with Anti-Static Device, Blow-out Proof Stem, Fire Safe Design and Emergency Sealant Injector.