In-line check valve having combined downstream poppet...

Details In-line check valve having combined downstream poppet... In-line check valve having combined downstream poppet...

F - Mech Eng,Light,Heat,Weapons

16

K

137/17, 137/64

F16K 15/06 (2006.01)

Patent

CA 1227722

IN-LINE CHECK VALVE HAVING COMBINED DOWNSTREAM POPPET SUPPORT AND FLOW CONTROL ELEMENTS ABSTRACT OF THE INVENTION A poppet-type check valve (3) utilizing an inte- gral detachable flow control assembly (26) for insertion into a cooperating housing (1). The checking poppet is oriented with its' actuating stem (24), concentric guide (28), and concentric force bias spring (23) downstream of the check flow controlled orifice (15). In a pre- ferred embodiment, the flow control assembly is located internal of a housing having a first flow length (12) adjacent the controlled flow orifice and seat, and a second converging flow length (11) abutting said first flow length, and a terminating flow outlet adjacent the valve outlet port. When mounted internal of the pre- ferred housing, the valve poppet assembly lies partially within the first flow area and extends a predetermined distance into the converging section, thereby greatly reducing turbulence and having a demonstrated reduction in medium flow pressure drop over presently used units.

483690

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