TRD Manufacturing combines twenty-seven years of precision machining and engineering with an unmatched selection of options and modifications to deliver the highest quality customizable NFPA cylinders on the market. At TRD Manufacturing, your specials are our specialty.

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PFLF (Position Feedback Low Friction)

TRD’s Position Feedback Low Friction cylinders are ideal for applications where the cylinder can touch down on a part and provide position feedback, thus gauge a part. They can also be used in conjunction with a PCS (Position Control System) for closed-loop positioning.
  • Highly accurate actuators, featuring infinite resolution, linearity of ± 1 percent of full stroke, and ± .001” mechanical repeatability.
  • Electronic controllers available for dual set point and scalable analog output applications.
  • Strokes available up to 24”.
  • 8 Bore sizes available from 1-1/2" up to 8”.
  • Easily repairable.
  • Permanent lubrication design provides outstanding service life. Click here to learn more!


Basic position feedback low friction cylinder (cutaway)