Hot runner systems with valve pin shut off

Valve Gate Systems

Patented pneumatic valve gate system is designed for easy maintenance with the molder in mind. Valve gate hot runner systems control the flow of plastic into the mold cavity using a shut off valve pin to close the gate. Valve gate systems allow for faster mold start-up and reduced frozen-in stress, without any sprue or visible defects. Designed with robust and compact cylinders to offer superior performance and gate quality.

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Product Features

  • Interchangeable valve pins: “any valve pin in any location”
  • Pins, pistons, and seals are accessible without having to split the plates
  • Pneumatically controlled pins
  • Compact stack height
  • Evenly heated system with enclosed manifold for balance melt flow
  • Internal wiring for maximum protection
  • Water cooled plates
  • Available in multiple orifice sizes

Product Benefits

  • Lower maintenance
  • Reduced down-time
  • Easier replacement and/or adjustment of valve pin
  • Improved production times
  • Reduced frozen-in stress, without any sprue and no visible defects
  • Consistent shot-to-shot repeatability
  • Pneumatically controlled pins – no oils needed
  • Faster cycle times
  • Better part quality due to automatic mold operation
Typically used in Automotive, Caps & Closures, Consumer Electronics, Medical, and Thin Wall Packaging applications.

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