Slow opening cylinder valve

Details Slow opening cylinder valve Slow opening cylinder valve

F - Mech Eng,Light,Heat,Weapons

16

K

251/87

F16K 1/52 (2006.01) F16K 1/34 (2006.01)

Patent

CA 1114802

ABSTRACT A valve for controlling the flow of gases from high pressure cylinders is provided having a projected raised annular valve seat surrounding a gas passage, a stem in threaded relation to the valve body whereby rotation of the valve stem in the valve body moves valve stem toward and away from the valve seat, a circumferential shroud extending from the end of the valve stem and surrounding the valve seat when the valve 1 closed and partially open, a resilient seal member positioned within the recess on the and of the valve stem formed by the shroud, said resilient seat member having tapered projection which extends into the gas inlet passage when the valve is in closed position and provides a gas tight seal between the valve stem and the valve seat.

347116

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