Pressure reducing and regulating valve

Details Pressure reducing and regulating valve Pressure reducing and regulating valve

1982-01-15

1984-04-24

Schwadron, Martin P.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

13762535, 251 50, 2512495, F16K 318, G05D 1600

Patent

active

044442165

ABSTRACT:
A pressure reducing and regulating valve having a container with a plurality of openings for moving between first and second flow plates having a plurality of inlet ports and a plurality of outlet ports for providing multiple flow paths through the valve for providing maximum flow with a short regulating stroke. The valve may be actuated by a combination of a manual screw adjustment and/or a powered operated overdrive which utilize drive gear to provide a failsafe operation as the power overdrive maintains the regulated pressure even if the pilot source fails. Valve means and stop means control the extent of travel of the adjustment screw. An integral pilot operated bypass valve may be utilized for remotely controlling the actuation of the valve.

REFERENCES:
patent: 3889924 (1975-06-01), Karpenko
patent: 3917220 (1975-11-01), Gilmore
patent: 4111070 (1978-09-01), Stratienko
patent: 4239178 (1980-12-01), Engel
patent: 4316599 (1982-02-01), Bouvet
patent: 4333391 (1982-06-01), Nash

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