Valves and valve actuation – With means to increase head and seat contact pressure – Spring
Patent
1988-01-28
1989-02-07
Chambers, A. Michael
Valves and valve actuation
With means to increase head and seat contact pressure
Spring
251315, F16K 520
Patent
active
048026522
ABSTRACT:
A tapered plug valve having a body with a removable valve seat insert that can be replaced without removing the valve body from the operating site.
REFERENCES:
patent: 3009680 (1961-11-01), Kaiser
patent: 3177887 (1965-04-01), Priese
patent: 4203460 (1980-05-01), Priese
Dittmer Howard R.
Kaniut Christopher P.
Chambers A. Michael
Fox John C.
Rockwell International Corporation
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