Indirect control

A single-acting cylinder with a large piston diameter is to clamp a workpiece following actuation of a push button. The cylinder is to retract once the push button is released.

Indirect control

Pneumatic diagram

Pneumatic elements

No.	Name
1	3/2-way pneumatic switch, normally closed
1	3/2-way valve with push button, normally closed
1	Manifold
1	Service unit
1	Single-acting cylinder

Analysis

In the initial position, the single-acting cylinder 1A is retracted. A springreturn 3/2-way pneumatic valve is used to actuate the cylinder. Connection 1 of the valve 1V is closed, connection 2 is exhausted to atmosphere via connection 3.