Emerson Hytork XL Series - Solenoid Valves for Spring-Return Actuators

November 2022
Installation, Operation and Maintenance Manual
MAC050515 EN Rev. 0
9Solenoid Valves
Section 6: Solenoid Valves
Section 6: Solenoid Valves on
Spring-Return Actuators
It is recommended that on Spring-Return actuators, the Hytork “CATS” solenoid valves are
used. These valves are specially designed to prevent contamination of the internals of the
actuator by dirt from the atmosphere. This increases the working life of the actuator which
reduces down time and maintenance periods (refer to Figure 3).
Spring stroke operation
Air stroke operation
Figure 3 Hytork “CATS” Solenoid Valve