Valves and valve actuation – Limit stop – Rotary valve
Patent
1989-06-22
1990-06-26
Fox, John C.
Valves and valve actuation
Limit stop
Rotary valve
251315, F16K 508
Patent
active
049365452
ABSTRACT:
Improved ball valve for refrigerating systems, formed by a valve body and an inlet duct and an outlet duct. The other component parts such as a ball shutter, a circular flange, a closure member, an actuating means and sealing means are all mounted by introducing them from the above.
In this ball valve the operations of replacing the components are very much simplified, rapid and economical.
REFERENCES:
patent: 1906266 (1933-05-01), Hoffman
patent: 3226082 (1965-12-01), Gulick et al.
patent: 3380472 (1968-04-01), Leighton
patent: 3385313 (1968-05-01), Olada
patent: 3591134 (1971-07-01), Fujiwara
Fox John C.
Hall James D.
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