The spool directs move in the force port though the other actuator port exhausts to ambiance at the same time. A 5/3-way valve is selected for purposes where more control over the double-performing cylinder is essential, like the chance to cease the cylinder at any stage in its stroke (mid-posture) https://franciscourfth.designertoblog.com/58618671/not-known-facts-about-types-of-pneumatic-valve