Outside seal and yoke valve

Details Outside seal and yoke valve Outside seal and yoke valve

1987-10-02

1988-05-24

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

137315, 251214, 251225, 251264, 277105, F16K 4300, F16K 4102

Patent

active

047459387

ABSTRACT:
A valve of the outside seal and yoke variety is provided, with a seal between a bonnet base and a valve body being axially spaced between a valve seating member and mating threads on the valve body and bonnet base. An end of at least one packing bolt is positioned within a cavity formed within the valve body, and prevents the bonnet base from unthreading from the valve body. A yoke threaded to the valve stem is rigidly secured to the bonnet base by a pair of yoke bolts and intermediate supports, and prevents inadvertent rotation of the packing bolts. The assembly technique of the present invention provides an inexpensive yet reliably OS&Y valve with all desired structural components being rigidly connected. The bonnet assembly of the present invention may be utilized with a conventional valve body and pocket design, thereby substantially increasing versatility and reducing manufacturing costs.

REFERENCES:
patent: 1619335 (1927-03-01), Donnelly
patent: 2694547 (1954-11-01), MacGregor
patent: 2722401 (1955-11-01), Till et al.
patent: 3295856 (1967-01-01), Bredtschneider et al.
patent: 3504888 (1970-04-01), Bates, Jr. et al.
patent: 3910553 (1975-10-01), Boylan
patent: 3982729 (1976-09-01), Tricini
patent: 4156529 (1979-05-01), Hafele
patent: 4364543 (1982-12-01), Soya et al.
patent: 4556196 (1985-12-01), Nimberger
patent: 4597581 (1986-07-01), Nimberger
patent: 4630629 (1986-12-01), Nimberger
Publication--M5Y Gauge Valve-OS&Y Construction.
Publication--AGCO Technical Data M5YK Gauge Valve (1985).

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