Small flow control valve with cartridge type seating arrangement

Details Small flow control valve with cartridge type seating arrangement Small flow control valve with cartridge type seating arrangement

1995-10-20

1998-02-17

Chambers, A. Michael

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

251159, 251174, 251191, F16K 5100

Patent

active

057184100

ABSTRACT:
A small flow control valve with cartridge type seating arrangement is shown and described. A conventional valve housing with inlet and outlet ports and a seat ring cartridge. A plug with a lower throttling profile engages within the seat ring bore. A deformable seal is provided and is capable of being deformed by a metal collar radially inwardly to compress the exterior of the upper contoured plug portion to prevent leakage in the closed valve position. The collar is held in constant compression by a circular spring placed between the collar and a groove located within a bore of the cartridge. The valve further has an actuating device adjustably attached thereto.

REFERENCES:
patent: 1791610 (1931-02-01), Yarnall
patent: 2252923 (1941-08-01), Granetz
patent: 2696967 (1954-12-01), Wilson et al.
patent: 3211419 (1965-10-01), Klinger-Lohr
patent: 3997141 (1976-12-01), Baumann
patent: 4009863 (1977-03-01), Tolnai
patent: 5288054 (1994-02-01), Bake et al.

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