Mounting: Suitable for mounting on single-acting, spring-return actuators.Spring Chamber Exhaust Purging: Exhaust purged to spring chamber for avoiding external/ environmental air in the entering into the spring chamber of actuator valveHigh Flow Capacity: Provides higher flow rates for faster actuator operation.Fail-Safe Operation: Designed to return the actuator to its safe position upon air supply or electrical power failure.Exhaust Port: Supplied with a non-return valve (NRV) fitted in the exhaust port.Low-Power Options: Available with the following low-power options: 30318L5: 5W, 30318LA: 3.5W, 30318LW: 1.8W & 1W, 30318LW with Ex ia 62 solenoidMedia Compatibility: Ideally suited for air, nitrogen, and other compatible gaseous media, subject to application requirements.Industrial Applications: Suitable for single-acting, spring-return actuators applications requiring fast operation and fail-safe return.