Adjustable bearing structure for butterfly gate valves

Details Adjustable bearing structure for butterfly gate valves Adjustable bearing structure for butterfly gate valves

1973-04-09

1976-06-08

Myhre, Charles J.

Valves and valve actuation

Rotary valves

Butterfly

251307, 251312, 251214, 251188, F16K 122

Patent

active

039617696

ABSTRACT:
A butterfly gate valve for control of water in treatment, waste water plants and the like, wherein the gate is mounted on a one-piece shaft. The lower end of the shaft rotates in a radial bearing, and a radial bearing and a thrust bearing are provided on the upper end of the shaft above the gate. The upper bearings are housed in a protective bonnet and may be sealed from access of water. The upper bearings are easily accessible through a removable bonnet cover. The vertical position of the leaf within the frame is adjustable by means of a rotatable threaded member reacting against a mating member above the frame.

REFERENCES:
patent: 2902254 (1959-09-01), Conway et al.
patent: 2952437 (1960-09-01), Knox
patent: 3349789 (1967-10-01), Crain et al.
patent: 3384337 (1968-05-01), Brown
patent: 3445087 (1969-05-01), Priese et al.
patent: 3477690 (1969-11-01), Murota et al.
patent: 3625478 (1971-12-01), Killian
patent: 3627259 (1971-12-01), Williams
patent: 3697042 (1972-10-01), Killian

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