21550 Heavy Duty Pneumatic Edge Guide Sensor

The Model 21550 DYNAGUIDE Sensor detects edge position pneumatically and transmits this information to a DYNAGUIDE pneumatic-hydraulic controller which uses this information to determine the rate of correction required to maintain the edge at the desired reference position. Recovery pressure is proportional to the material position. 

The sensor features an integral purge orifice (patented) that prevents clogging of the recovery orifice. Referring to the sensor schematic, some of the air supply passes through a passage that connects to the recovery pressure port. The purge orifice in this passage restricts the airflow to allow only air at a low pressure to enter recovery port. 

This pressure keeps the recovery port at a pressure slightly above atmospheric; thus dust, lint, or other clogging type material does not enter the recovery port. This integral purge does not affect control as the positive pressure in the recovery port is less than the minimum recovery pressure required to actuate the pneumatic-hydraulic controller for full speed corrective action to move the web out of the sensor or the sensor away from the web as required by the process.

Benefits

  • Edge Guide Sensor

  • Sturdy Construction

  • Non-Clogging Design

  • Integral Air Purge

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