Ball valve assembly

Details Ball valve assembly Ball valve assembly

1986-04-02

1988-02-16

Weakley, Harold W.

Valves and valve actuation

Rotary valves

Ball valve

251288, 251362, F16K 500

Patent

active

047250429

ABSTRACT:
A ball valve assembly employing valve seats which are constructed of teflon and form part of end seal members, with the teflon valve seats being of a thin and deformable arrangement backed by an elastic loading ring which is isolated from the liquid. The valve ball is floatingly mounted between the opposed valve seats so that the ball automatically centers itself onto the opposed valve seats to ensure a proper sealing engagement therewith.

REFERENCES:
patent: 11431 (1894-07-01), Glauber
patent: 3384341 (1968-07-01), Ripert
patent: 3610575 (1971-10-01), Yoneda
patent: 4163544 (1979-08-01), Fowler et al.
patent: 4411407 (1983-10-01), Ninomiya et al.
patent: 4483513 (1984-11-01), Summers
patent: 4546790 (1985-10-01), Huber et al.

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