Ball valve with improved seals
Ball valve with linear elastomeric seal mounting
Bi-directional gate valve
Bi-directional valve seal mechanism
Bidirectional pressure-assisted valve seal
Bidirectional valve seal
Blocked ball valve
Butterfly and ball valves
Butterfly valve
Butterfly valve
Butterfly valve
Butterfly valve construction
Butterfly valve construction
Butterfly valve structure and a sleeve therefor
Butterfly valve with cam actuable seat
Butterfly valves
Butterfly valves
Cam valve self-centering seat
Ceramic gate valve and components therefor
Chemically inert control valve