Relief valve

Details Relief valve Relief valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/60

F16K 17/06 (2006.01) F16K 17/04 (2006.01)

Patent

CA 1163166

RELIEF VALVE ABSTRACT A pressure relief valve includes a two-piece housing having therein a generally circular diaphragm backed by a spring biased plate. The outer edge of the diaphragm is captured between the two pieces of the housing and to pro- vide a first sealing area. The central portion of the dia- phragm has a circular opening therein with an annular seal- ing lip formed thereabout. The sealing lip provides a seal when the spring biased plate moves the diaphragm against a flat circular seat. When pressure at the inlet of the housing overcomes the spring biasing force, the diaphragm is moved away from the seat and the gas is relieved through an outlet in the housing.

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