Line removable valve structure with extensible seal rings on pip

Details Line removable valve structure with extensible seal rings on pip Line removable valve structure with extensible seal rings on pip

1982-02-16

1983-06-14

Walton, George L.

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

1374542, 251152, 2512495, 251250, F16K 4300

Patent

active

043877354

ABSTRACT:
A line-removable valve structure wherein a cartridge containing a movable valve closure member and seals is received in a line-support structure including a pair of rigidly interconnected end plates forming line flanges. With the cartridge in place, seat rings threaded in the end plates, are turned to move axially inward to engage and seal against the ends of the cartridge. The seat rings are selectively turned by a worm gear or by hydraulically driven racks meshing with gear teeth around the seat rings.

REFERENCES:
patent: 1822961 (1931-09-01), Emery
patent: 1996192 (1935-04-01), Daniel
patent: 2994342 (1961-08-01), Stillwagon
patent: 3202175 (1965-08-01), Dumm
patent: 3371677 (1968-03-01), Connolly
patent: 3672632 (1972-06-01), Chow
patent: 4079746 (1978-03-01), Killian
patent: 4311163 (1982-01-01), Langevin
Resistoflex Corp., "Resistoflex Dynatube Fittings", Circle 057.

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