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Top Valve Controller
ALSD series top valve controller is an optimizing solution to integrate position sensors, solenoid coil and 5/2 or 3/2 spool valve together in a box, which greatly improves the explosion-proof level and weather-proof level of the product. The product is designed and manufactured in strict accordance with NAMUR international standard, directly installed on top of the pneumatic actuator, and receives the electric power (24VDC, 110 / 220VAC) from the remote controller (DCS) for valve position control and feedback of on/off valves.
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