Valve plug design

Details Valve plug design Valve plug design

1986-11-06

1988-01-26

Walton, George L.

Valves and valve actuation

Valve head movably connected for accommodation to seat

With universal connection

251 615, 251122, 251333, 251357, F16K 2500, F16K 4700

Patent

active

047212845

ABSTRACT:
A special control valve plug is disclosed. It includes the integral combination (1) of a spherical radiused or ball type seating surface and (2) a conically tapered flow control tip. When the valve is closed, the spherical radiused plug seating surface provides a positive fluid seal. When the valve is open, the tapered tip provides precise proportionate and continuously variable control of fluid flow.

REFERENCES:
patent: 1831713 (1931-11-01), Knowlton
patent: 2014314 (1935-09-01), Defenbaugh
patent: 2564569 (1951-08-01), Goehring
patent: 3298389 (1967-01-01), Freeman
patent: 3428076 (1969-02-01), Lowe
patent: 3472481 (1969-10-01), Spies, Jr.
patent: 4041973 (1977-08-01), Rice et al.
patent: 4337788 (1982-07-01), Seger
patent: 4413646 (1983-11-01), Platt et al.

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