CPC F16K 1/38 (2013.01) [F16K 15/063 (2013.01)] | 20 Claims |
1. A one way valve comprising,
a valve housing having a bore;
a valve seat contained in the valve housing wherein the bore extends through the valve seat;
a valve element configured to selectively seat in the valve seat, the valve element having a high pressure facing side and a low pressure facing side;
an elastic member operatively engaged with the low pressure facing side of the valve element to bias the valve element to engage the valve seat; and
a metal seal operatively connected to the high pressure facing side of the valve element and opposite the elastic member, wherein the metal seal includes an annular seat interface that sealingly engages the valve seat.
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