Check-valve construction

Details Check-valve construction Check-valve construction

1979-04-06

1980-10-28

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

137527, F16K 1503

Patent

active

042301483

ABSTRACT:
The invention contemplates a check-valve construction wherein two generally semi-circular valve members are hinged to a diametrically extending seat post which divides the bore of the check-valve body into two valve-seat openings, for separate check-valve action with the respective seat openings. In the form described a single hinge connection of both valve members is made to a downstream offset carried at the mid-point of the seat post.

REFERENCES:
patent: 1286672 (1918-12-01), Lindgren
patent: 2877792 (1959-03-01), Tybus
patent: 3538946 (1970-11-01), Hilsheimer
patent: 3678958 (1972-07-01), Satterwhite et al.
patent: 4043358 (1977-08-01), Sliski
patent: 4079751 (1978-03-01), Partridge et al.

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