FAQ

|3/4/5 Port Solenoid Valves

What are 4-position dual 3-port valves, such as those of the SJ, SQ, and SY series?

This type of valve features 2 independent 3-port valves built into a single valve body.
One of the benefits of using 3-port valves is that they take up half the number of stations.
Common applications include the control of single acting air operated valves and the driving of single acting air cylinders.