actuated valves whose fail position is specified as spring-return fail closed, spring-return fail open, or double acting; valve body specified to meet the functional requirements for its application.

This standard provides the basic requirements for double-acting and spring return hydraulic valve actuators design and performance. The standard is to provide hydraulic actuators that can easily be ...

The KVA38 is an electric valve actuator featuring SMA technology, a breakthrough that enables precise linear motion with fail-safe mechanical spring return. This makes it ideally suited for energy ...