A national mining and metals manufacturer of cobalt and tungsten used gate valves and orifice gates as airlocks in feeding applications as well as discharge valves on its vacuum receivers and blenders However the gates were notorious for leaking... Learn more

Butterfly valve uses air pressure to expand seat against disc providing increased seal area and even pressure distribution Seat automatically compensates for wear when it inflates against disc Casual contact of disc to seat allows disc to come to... Learn more