Modulating pilot operated safety relief valve for low pressure a

Details Modulating pilot operated safety relief valve for low pressure a Modulating pilot operated safety relief valve for low pressure a

1989-02-07

1990-04-17

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

1374925, G05D 1600

Patent

active

049171445

ABSTRACT:
A pilot valve operates a main safety relief valve. Two signal sources are registered separately by the pilot valve's pressure cavities for greater sensitivity and modulating action in a non-flowing design.

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