Control valve for installation into a pipeline

Details Control valve for installation into a pipeline Control valve for installation into a pipeline

1974-09-06

1978-10-24

Cline, William R.

Fluid handling

Removable valve head and seat unit

Threaded into valve casing

137527, 251148, 251298, 251360, F16K 120

Patent

active

041216075

ABSTRACT:
A fluid control valve including a housing clampable between pipe flanges of pipes leading to and from the housing. A valve module is detachably insertable in said housing and includes a valve duct having a cylindrical shaped seat surface and a pivotally mounted valve body having a curved surface conforming in shape to the seat surface. The valve body is pivotally mounted at an extension of the valve duct. The pivot axis for the valve body is spaced from the center of curvature of the valve seat surface.

REFERENCES:
patent: 1028134 (1912-06-01), Raymaker
patent: 1286672 (1918-12-01), Lindgren
patent: 2454072 (1948-11-01), Long
patent: 2504006 (1950-04-01), Davis
patent: 2556904 (1951-06-01), Cline et al.
patent: 2803426 (1957-08-01), De Zurik
patent: 2913001 (1959-11-01), Maslow et al.
patent: 2969492 (1961-01-01), Wheatley
patent: 3016914 (1962-01-01), Keithahn
patent: 3144876 (1964-08-01), Frye
patent: 3876179 (1975-04-01), Baumann

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