Valve unit for high-pressure pumps

Details Valve unit for high-pressure pumps Valve unit for high-pressure pumps

1998-09-16

2000-02-01

Hepperle, Stephen M.

Fluid handling

Removable valve head and seat unit

Retained by bonnet or closure

1374546, 13754319, F16K 2500

Patent

active

060191252

ABSTRACT:
Valve unit, particularly for high-pressure pumps, comprising a cage mainted in position by a screwed plug and containing a valve disc and a valve seat, the screwed plug having a threaded shank provided with an annular groove for a seal gasket in contact with the inner wall of the cavity which receives the valve unit, said annular groove for receiving said seal gasket being positioned adjacent to that end of said thread close to the valve unit, and being inserted into a portion of the plug receiving cavity having a diameter less than the outer diameter of the plug thread.

REFERENCES:
patent: 1691449 (1928-11-01), Sharp
patent: 2090512 (1937-08-01), Ernst
patent: 2366004 (1944-12-01), Crittenden
patent: 3395729 (1968-08-01), Temple
patent: 3478774 (1969-11-01), Noakes et al.
patent: 4109672 (1978-08-01), Szemeredi
patent: 4331176 (1982-05-01), Parkison
patent: 4532958 (1985-08-01), Napolitano
patent: 4679584 (1987-07-01), Wolff
patent: 4880209 (1989-11-01), Bernat
patent: 4936339 (1990-06-01), Bennett
patent: 5207242 (1993-05-01), Deghe et al.
patent: 5794651 (1998-08-01), Miller

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