Difference between signal air & control air - Hydraulics & Pneumatics

Q.  What is the difference between signal air and control air?
- Published on 14 Aug 15

a. signal air actuates final control valve and control air flows to the cylinder through the final control valve for forward and backward movement of piston rod
b. control air actuates final control valve and signal air flows to the cylinder through the final control valve for forward and backward movement of piston rod
c. both a. and b.
d. none of the above

ANSWER: signal air actuates final control valve and control air flows to the cylinder through the final control valve for forward and backward movement of piston rod

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