Pilot-controlled pressure-limiting valve

Details Pilot-controlled pressure-limiting valve Pilot-controlled pressure-limiting valve

1987-07-31

1988-09-20

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

1374925, F16K 1710

Patent

active

047718064

ABSTRACT:
A compact pressure-limiting valve is provided for optional attachment to a water-conducting device which for this purpose comprises a flange which matches the connecting flange of the pressure-limiting valve and which can be closed with a closure-plate when the pressure-limiting valve is not required. A compact unit providing high response speed of the pressure-limiting valve is achieved by a particular relative arrangement of the main piston and the pilot valve piston and by short and loss-free flow connections in the interior of the pressure-limiting valve. In spite of the high response speed and the compact constructional form the pressure-limiting valve is distinguished by a large flow cross-section for levelling pressure peaks.

REFERENCES:
patent: 919300 (1909-04-01), Anderson
patent: 2500888 (1950-03-01), Wilhelm
patent: 3211174 (1965-10-01), Weise
patent: 3373763 (1968-03-01), Smilges
patent: 3399696 (1968-09-01), Shaw

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