Basis Weight. Control Online Automation
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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