Flow control valve

Details Flow control valve Flow control valve

1989-09-18

1990-07-24

Rosenthal, Arnold

Valves and valve actuation

Valve head movably connected for accommodation to seat

Rotatable only

251274, 251322, F16K 3150, F16K 148

Patent

active

049430335

ABSTRACT:
In a high pressure needle valve, a central valve stem extends through a conventional operating sleeve for effecting axial shiftig of a valve head on the inner end of the stem. The outer end of the stem is plain to receive a push-fitted retainer, and a disc or flange spring compressed to approximately 60% is arranged between the retainer and the outer end face of the operating sleeve.

REFERENCES:
patent: 3049332 (1962-08-01), Webster
patent: 3222027 (1965-12-01), Gilleeny
patent: 3420493 (1969-01-01), Kraft
patent: 3761053 (1973-09-01), Bedo et al.

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