Heat exchanger pressure shutoff valve
Heat releasable weldment for manual opening jacks and method of
Heat responsive back seat arrangement for valve operator
Heat responsive back seat arrangement for valve operator with fu
Heat responsive back seat arrangement for valve operator with ma
Heat responsive backseat for gate valves
Heat sensitive fire safe valve energy assist device
Heat sensitive gate valve
Heat sensitive shaft locking apparatus and valve using same
Heat sensitive valve
Heat-sensitive cut-off for gas conduits and the like, and method
Hermetically sealed high pressure gas container
High impact type gate pressure release valve
High presssure fluid emergency shutoff valve
High pressure gas discharge valve device for safety air bags
High pressure gas valve
High pressure regulator
High pressure regulator valve
High pressure regulator valve
High pressure release safety valve assembly