ISA96.03 – The basic requirements for pneumatic valve actuators of the single- and double-acting types used for on-off applications. The standard will define the basis pneumatic actuator types (i.e., ...

The double-acting cylinder can be controlled using two 3/2 valves. In the circuit diagram, when either 3/2 valve is activated by pressing the push button, this will allow the compressed air to ...

valve actuator 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.