Patent ID: 9546738
Date: 2017-01-17
CPC Classifications: F16K,Y10T

Claim:
1. An air valve comprising: a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet and an outlet; a seat mounted within the valve body and having an upper surface and a lower surface, the upper surface facing the outlet of the valve body and contacting the valve body, the upper surface and the lower surface defining a bore and a fastener hole, the bore and the fastener hole extending between the upper surface and the lower surface, the upper surface further defining a first sealing ridge and a second sealing ridge, a portion of the upper surface defining a transition surface extending between the first sealing ridge and the second sealing ridge, the first sealing ridge and the second sealing ridge extending between the bore and the fastener hole; a fastener extending through the fastener hole into the valve body; and a float moveable within the valve body and engageable with the bore of the seat.