At TechFlow Design & Manufacturing Inc., we know the extrusion process and die design better than anyone. We understand our business and how to assist our clients in meeting their objectives. TechFlow develops innovative products that help improve the clients’ performance.


Screen Changers

Manual Screen Changers

Techflow Design’s screen changers are designed for leak free operation up to 10,000 PSI. Designed and manufactured with a pressure actuated seal that allows processing of polymers up to 500 degrees F. Our custom designs allow us to ensure the best operator access to the screen changer. Several manual screen changer models are available from 1″ through 6″ (25mm – 150mm), with the provision of pulling the extruder feed screw through the screen changer while mounted on the barrel.

  • Bolt circle or clamping designs available
  • Nitride slide plate for long wear & scratch resistance
  • One piece high tensile steel body
  • Models available with pressure relief valve
  • Allows for various filtration screen packs
  • Works at all pressures, for all thermoplastics
  • Minimum operator attention
  • No leakage, Removes impurities
  • Nickel or Chrome plated polymer surfaces
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Screen Changer exploded view