Description: BoTeli Bellow Sealed
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.