Electric Actuator Valve Pdf
Actuator as well as the valve or damper.
Electric actuator valve pdf. Electric actuator ranges also include the awt for simplified control duties rom rompak and q direct drive actuators for small quarter turn valves. Output torque 300 in lb 34 nm to 18 000 in lb 2 034 nm decades of bray s proven success in electric actuation combined with innovative engineering has produced the series 70 electric actuator the series 70 features on off or modulating control and offers many advantages over other actuators including. Peng zhang in advanced industrial control technology 2010 2 basic types. More reliable than conventional electric actuators beck actuators incorporate a no burnout motor an efficient spur gear drive train and accurate durable electronics.
Electric actuators electric actuators are equipped with an electric motor gearbox combination particularly developed for valve automation providing the torque required for operating the moving elements of gate or butterfly valves as well as ball and globe valves. Rotary electric actuators rotate from open to closed using butterfly ball and plug valves. A convenient wrench manual override shaft is standard on the we 500. For this reason the control loop should be properly analyzed and tuned to avoid excessive or unwarranted modulation.
With the use of rotary electric actuators the electromagnetic power from the motor causes the components to rotate allowing for numerous stops. Emerson automation solutions flow controls marshalltown iowa 50158 usa sorocaba 18087 brazil cernay 68700 france dubai united arab emirates singapore 128461 singapore. Manual valve operation is possible using the handwheel available as standard. The actuator is type 4 4x and includes a visual indicator two auxil iary switches and a compartment heater.
This power source can be electric pneumatic compressed air or hydraulic the flow of oil. Auma have been developing and building electric actuators and valve gearboxes for 50 years and is one of the leading manufacturers in the industry. A valve actuator is a mechanical device that uses a power source to operate a valve. Smart bettis and eim electric actuators over 65 years of field service all over the world in oil and gas water and wastewater marine power generation refineries marine and chemical plants emerson s bettis and eim electric actuators have become the industry standard in valve control.
Rotork actuators are compatible with a wide range of communication and process control systems. Electric actuators are divided into two different types.