Valves and valve actuation – With material guide or restrictor – Movable or resilient guide or restrictor
Patent
1980-07-03
1982-12-14
Rosenthal, Arnold
Valves and valve actuation
With material guide or restrictor
Movable or resilient guide or restrictor
251127, 251266, 251355, F16K 4704
Patent
active
043634648
ABSTRACT:
A high pressure multistage valve in which a multiflanged plug is shiftable vertically within a passage provided by a stack of encircling rings, which can be readily exchanged or replaced. A turnable stem effects linear movement of the plug via a motion converting mechanism located in the interior of the valve. A lubricating system for the mechanism has a movable interface with the fluid being controlled.
REFERENCES:
patent: 1510528 (1924-10-01), Sebenste
patent: 1976796 (1934-10-01), Milner
patent: 3485474 (1969-12-01), Baumann
patent: 3637188 (1972-01-01), Ung
patent: 3730479 (1973-05-01), Baumann
"Chemical Engineering", Mar. 6, 1972, Article Special Control Valves, pp. 91-98.
Masoneilan Bulletin No. 373E, Jul. 5, 1977.
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