Valves and valve actuation – Rotary valves – Plug
Patent
1975-02-06
1977-01-25
Cline, William R.
Valves and valve actuation
Rotary valves
Plug
251345, 251287, 251288, F16K 504, F16K 2706
Patent
active
040047750
ABSTRACT:
A liquid or fluid-flow control valve of four-part construction is shown having a longitudinally extending, open-end housing within which a plug-like stationary seating part is centrally positioned to direct fluid flow between end and side-positioned inlet and outlet portions of the housing and as controlled by a rotatable stem part having a sleeve portion that is positioned concentrically about the seating part. The stem part projects through one end of the housing and has a side port that is moved into and out of alignment with a side port in the seating part. The seating part is provided with an obliquely-positioned ringlike sealing gasket, and the stem and the seating parts are removably mounted within the housing part by an end-positioned cooperating bonnet part.
REFERENCES:
patent: 1043935 (1912-11-01), Hitchcock
patent: 1126706 (1915-02-01), Coffin
patent: 1160342 (1915-11-01), Taft
patent: 1532251 (1925-04-01), Lorraine
patent: 2178676 (1939-11-01), Williams
patent: 2256416 (1941-09-01), Stockstill
patent: 2631002 (1953-03-01), Mueller
patent: 3038695 (1962-06-01), Wildern
patent: 3426795 (1969-02-01), Muller
patent: 3467132 (1969-09-01), Parisi
Jones Lloyd K.
Yanov David A.
Cline William R.
Elk Manufacturing Company, Inc.
Spiegel H. Jay
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