The bestobell lapped seat all bestobell gate valves feature a lapped seat. The cryogenic gate valves are available in sizes from dn25 to dn100 and secure pressures up to 50 bar at operating temperatures of 196 c to 120 c. On the dn40 this is threaded and seal welded into the body whereas on the dn50 dn80 this seat is mounted in a carrier attached to the headworks.
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