Why is pilot operated check valve used in clamping operation? - Hydraulics & Pneumatics

Q.  Why is the pilot operated check valve used in clamping operation?
- Published on 14 Aug 15

a. to reduce leakage in spool valve
b. to avoid decrease in pressure during clamping
c. both a. and b.
d. none of the above

ANSWER: both a. and b.

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