Ceramic gate valve and components therefor

Details Ceramic gate valve and components therefor Ceramic gate valve and components therefor

1980-11-18

1983-02-08

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251196, 251328, 251368, 267165, F16K 2500

Patent

active

043725317

ABSTRACT:
The present invention comprises an improved ceramic gate valve having within the valve housing a ceramic valve gate, which is surrounded by a peripherally disposed compression band for providing strength thereto, and which is engaged by a pair of ceramic valve seats, which are in turn urged inwardly for such engagement by ceramic springs. The ceramic springs comprise a plurality of plates of ceramic material separated by spacers which are disposed in a staggered array to form the ceramic spring.

REFERENCES:
patent: 1899925 (1933-03-01), Brofelth
patent: 2480529 (1949-08-01), Waag
patent: 3414233 (1968-12-01), Priese
patent: 4033550 (1977-07-01), Wheatley
patent: 4161309 (1979-07-01), Klyee
patent: 4266566 (1981-05-01), Kacal

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