Valves and valve actuation – With means to increase head and seat contact pressure – Separate actuators or actuator motion
Patent
1976-07-21
1977-08-30
Weakley, Harold W.
Valves and valve actuation
With means to increase head and seat contact pressure
Separate actuators or actuator motion
251161, 251310, F16K 2500
Patent
active
040449955
ABSTRACT:
An angle ball valve which can compensate the wear of the seat ring by a simple operation such that the adjusting spindle is merely rotated without decomposing the valve.
REFERENCES:
patent: 69859 (1867-10-01), Stokes
patent: 868143 (1907-10-01), Strang
patent: 1186593 (1916-06-01), Meyer
patent: 3398763 (1968-08-01), Richards
Jordan Frank J.
Taimei Kinzoku Kabushiki Kaisha
Weakley Harold W.
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