cryogenic valves are available in two bonnet designs. The first design is the Bolted Bonnet, with male-female joint,spiral wound gasket, made in F304L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. .The cryogenic valves are available in gate and globe design configurations.