Assertion: valve's seat | /r/HasProperty | compressible o-ring
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Source sentences:
text: In a check valve, a housing 'having inlet and outlet ports communicating with an enlargement therebetween, a seat in said enlargement and surrounding the inlet port, said housing having an internally threaded tubular portion extending substantially radially of said housing with a bore communicating with said enlargement, said portion having a counterbore terminating in a shoulder, a holder removably mounted in said counterbore and engaging said shoulder, said holder having a diametn'c groove therein open toward said threaded portion, said tubular portion having recesses therein registering with ends of said groove, a key consisting of a plurality of separable members positioned in the said groove in end to end relation with the endmost members thereof engaged in said recesses, a cap secured to said tubular portion and having a surface fitting against said holder and key to retain same in position, a valve member swingably mounted on said holder and having a face coacting with said seat, a compressible O-ring on the valve member and presented for engagement with said seat, said O-ring having an integral thin diaphragm extending therefrom and engaging said valve member face, and mounting means engaging said diaphragm and securing said diaphragm to the valve member, said diaphragm having spaced vent apertures between the mounting means and the O-ring portion thereof for equalization of pressure on both sides of the diaphragm and thereby preventing rupture of same.
text: a valve member swingably mounted on said ears and having a face coacting with said seat, a compressible O-ring on the valve member and presented for engagement with said seat, said O-ring having an integral thin diaphragm therein with an axial aperture, and mounting means engaging said diaphragm and extending through said aperture and securing said diaphragm to the valve member, said diaphragm having spaced vent apertures between the' mounting means and the O-ring portion thereof for equalization of pressure on both sides of the diaphragm and thereby preventing rupture of same.