Actuating device
Actuating drive having a safety device
Adjustable, fusible, manually operable valve lock-open assembly
Adjustment limiter in a compressed gas pressure regulator
Air ventile for pressure cookers and pressure cookers having the
Annulus pressure referenced circulating valve
Anti-rupture device
Antitamper arrangement for a locking fuel shutoff valve
Apparatus and method for stopping the propagation of ignited...
Apparatus for controlling hydraulic flow of liquid under pressur
Apparatus for protecting a gas pressure system from over pressur
Apparatus for supporting structure between bolted flanges
Arrangement for controlling communication between a tubular memb
Arrangement on a butterfly valve
Attachment for safety valves
Automatic fluid sealing mechanism for a conduit with a frangible
Automatic fluid sealing mechanism for a conduit with a frangible
Automatic shut-off for a conduit fluid containment system
Automatic shut-off valve
Automatic shutoff valve mechanism