3103 with EM35MR Electric Powered Actuator

The 3103 gas valve is a rotary sleeve-and-shoe type-throttling valve. The metering port area is determined by input shaft position from the actuator. Valve position feedback to the actuator driver is accomplished using a high accuracy resolver. The EM35MR actuator is designed for use with the DVP (Digital Valve Positioner). The motor is a brushless dc motor with a motor clutch and gear-head assembly. The motor uses Samarium Cobalt permanent magnets bonded and sleeved to the rotor element. Rotor position sensing is performed using a resolver.

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