Fail Safe Electric Valve Actuators

Or the actuator can be set to fail closed where the actuator moves the valve to the closed position commonly referred to as an emergency shut off valve esv.

Fail safe electric valve actuators.

Our cva cma products and waterproof iqt model through additional battery pack can all provide fail to position functionality. When power is supplied the spring mechanism is compressed to store energy for movement. Without electrical power the electric actuator cannot move and stays put. The design has the ability to independently adjust motor speed and fail safe shutdown time.

Fail safe spring return electric actuators more simply known as spring return electric actuators are used on linear and rotary valves in a range of applications across nearly all industrial process systems. With no dependency on super capacitor or. Our exmax product provides a quarter turn spring return failsafe solution. Types of fail safe electric actuators.

Do rotork electric actuators have fail safe functionality. The actuator is configurable to either fail close or fail open on loss of power supply. The battery recharges automatically when re energized. There are 2 basic ways of achieving fail safe functionality.

Avc is the industry leader when it comes to fail safe electric actuators for emergency shutdown esd and other fail safe applications. Corrosion resistant housing and enclosure type 4 4x 6 ip65. Bettis rts fl fail safe linear electric valve actuator. 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.

Spring return electric actuators and battery back up bbu actuators. The actuator s output drive shaft make mechanical switches. There are two types of fail safe electric actuators. Fail safe electric actuators electrical power supply with emergency shutdown at loss of power or signal.

A non intrusive intelligent fail safe linear actuator for on off and modulation control in fail safe applications. 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. Battery backup fail safe electric actuators for emergency shutdown applications. These types of actuators are used in situations that require valves to automatically and immediately enter a safe position upon loss of power.

A fail safe electric actuator has a way of driving the actuator to the desired fail safe position when external power is unavailable. Once the power is lost or removed the controlled. Torques up to 2640 in lbs.