Valves and valve actuation – With correlated flow path – Tank
Patent
1975-07-15
1977-10-04
Weakley, Harold W.
Valves and valve actuation
With correlated flow path
Tank
251167, 251204, 251197, F16K 5100
Patent
active
040520366
ABSTRACT:
A gate value having a sealing plate carried by a moveable element which through the coaction of a series of balls presses the sealing plate into a flow preventing position.
REFERENCES:
patent: 2789582 (1957-04-01), Dunham
patent: 2986371 (1961-05-01), Knox
patent: 3237916 (1966-03-01), Bryant
patent: 3352535 (1967-11-01), Power
VAT Aktiengesellschaft fur Vakuum-Apparate-Technik
Weakley Harold W.
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