A complete range of gate, globe, and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants as well as oil and gas industry applications around the world.
Long cycle life bellows (3000 cycles) in Gr. 321 (stainless) or Inconel. Designed and successfully tested in high pressure/temperature conditions
Two secondary stem seals: a) Backseat in open position; b) Graphite packing
Low torque due to: a) Non-rotating stem prevents torsion of bellows; b) Stem nut thrust bearings; c) Central lubrication
Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance
Velan Inc Bolted bonnet bellows seal globe valve Specifications: