| CPC F16K 1/36 (2013.01) [F04B 53/1027 (2013.01); F04B 53/127 (2013.01); F16K 1/48 (2013.01)] | 18 Claims |

|
1. A valve member comprising:
(a) an upper portion comprising:
a top side,
an underside,
an annular recess positioned between the top side and the underside, and
a cavity extending at least partially into a body of the upper portion, the cavity arranged at the underside and having:
a first portion adjacent the underside, the first portion having a first diameter, and
a second portion axially spaced from the underside by at least the first portion and having a second diameter greater than the first diameter;
(b) guide legs comprising:
a plurality of legs, and
a coupling member extending axially from the plurality of legs, the coupling member comprising a plurality of fingers extending from the plurality of legs and configured to flex radially inward responsive to a force driving the plurality of fingers within the first portion; and
(c) a sealing element configured to be installed within the annular recess so that the upper portion couples to both the guide legs and the sealing element when a force is applied thereto, thereby to axially position the sealing element within the annular recess and to position the coupling member into the cavity.
|