Actuating device
Adjustable, fusible, manually operable valve lock-open assembly
Air ventile for pressure cookers and pressure cookers having the
Arrangement on a butterfly valve
Attachment for safety valves
Automatic shutoff valve mechanism
Automatic valve actuator
Automatic valve actuator
Automatic valve for gaseous fluids, suitable for protecting the
Auxiliary remote valve actuator
Backseating and stop for valve operator
Ball valve with emergency sealing device
Ball valves
Ball valves
Bidirectional cryogenic valves
Bimetallic C-ring seal
Butterfly smoke/fire damper
Butterfly valve having temperature responsive sealing means
Check valve with ephemeral seal
Combination relief vent and closure apparatus