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Basis Weight. Control Online Automation

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Basis Wt. Control Online Automation for Controlling The Basis Weight of Paper on Paper Machine The extreme accuracy needed in basis weight control is achieved by a step-motor driven, backlash-free rotary actuator. It performs precise, minimal changes in valve opening with high repeatability and resolution. The rotary actuator is electromechanical, unit When it's time to change grades and set a new basis weight, the control unit and the actuator quickly turns the valve to a new opening range with minimal downtime. (Adjustable speed with time duration; use RS232 and PC). Equipped with pulse train and time duration interface, Fibretec Basis Weight Valve System is compatible with any process computer output. The control unit operates in a response to a control command from a computer or an electronic controller. As an standard feature there is also a push-buttons for manual operation (open and close) and a digital position display. The DCS operation is activated in the "automatic" mode as a standard. Analog output (4-20 mA) can be used in the DCS to indicate valve position. Available in different size - 2" size, 3" size, 4" size, 5" size, 6" size, 8" size, 10" size, 16" size valves made o f SS-316. Controlling upto 0.5GSM, Gear ratio 1:44 steps 3000, Limit switches 2, 0/p Torque 200, 400, 600.

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