When energized the actuator operates the valve normally and at the same time compresses the spring which is held in the loaded position by a solenoid brake.
Spring return electric fail safe actuators.
Although they serve the same purpose they mainly differ in their operating principle.
Device is capable of absolute position detection and configurable speed options.
Spring return actuators up to 2 300 inch lbs of torque.
Failsafe electric actuators for all quarter turn applications spring return fq range actuators ensure automatic opening or closing even without any power supply.
There are two types of fail safe electric actuators.
Rts fail safe mechanical spring return electric actuator.
Once the power is lost or removed the controlled.
Available in 300 600 1200 and 1800 in lb units in both on off and modulating.
Our cva cma products and waterproof iqt model through additional battery pack can all provide fail to position functionality.
One of the big advantages of electric actuators over pneumatics is the ease and flexibility of installation scalability plus network communication controls and diagnostics.
Our exmax product provides a quarter turn spring return failsafe solution.
The p series quarter turn electric actuators are intended for ball valves butterfly valves and dampers.
Do rotork electric actuators have fail safe functionality.
Spring return electric actuators are used in critical processes to return quarter turn valves to their safe position even with the absence of power.
Smart non intrusive electric fail safe quarter turn actuator with mechanical spring return ensures reliable shut down on loss of power or input command.
Failsafe options include spring return or battery backup.
These types of actuators are used in situations that require valves to automatically and immediately enter a safe position upon loss of power.
Spring return electric actuators and battery back up bbu actuators.
Sun yeh s series spring return electric valve actuators and tunnel damper valve actuator utilizes spring driven pinion and rack mechanism to provide torque ranges from 50n m to 260n m mechanical fail safe quarter turn electric actuators.
Types of fail safe electric actuators.
When power is supplied the spring mechanism is compressed to store energy for movement.
Explosion proof class i division 1 groups c d t4 design weatherproof type 4 4x.
The design has the ability to independently adjust motor speed and fail safe shutdown time.
The l series linear electric actuators are typically used on gate valves globe valves control valves and dampers.
Rts fail safe electric actuators with true mechanical spring return for fail safe positioning are designed and field proven for reliable shutdowns on loss of power or signal.