Series 223 & 224 Torque Limiting Card

By Schroff Pentair

Pentair Technical Products' Calmark brand Series 223 and 224 Card-Lok retainers are now available for cold plate-heat exchanger applications

Series 223 & 224 Torque Limiting Card

FEATURES

  • Available in a 5.72 mm x 6.60 mm (.225 in. x .260 in., Series 223) profile and a 5.33 mm x 6.99 mm (.210 in. x .275 in., Series 224) profile, these series of card-loks feature a patent-pending torque limiting design to eliminate the need for a torque wrench
  • The torque-limiting feature is designed so a standard hex wrench locks the board module assembly into the cold wall, providing a safe clamping force without the need for a torque wrench and preventing damage to the card-lok or the board module assembly due to over-tightening
  • These highly reliable card-loks are secured with a screw actuated wedge action, locking the board module assemblies into place
  • They deliver maximum thermal transfer as well as maximum resistance to shock and vibration
  • The design delivers maximum contact between thermal paths on the board module assembly and heat sinking surface, and locks the board module assembly in place to resist shock and vibration
  • Torque-Limiting Action – A standard hex wrench locks the board module assembly into the cold wall providing a safe clamping force without the need for a torque wrench
  • High Reliability – Screw actuated wedge action locks board module assemblies into place
  • Maximum Thermal Transfer – Wedge action design provides maximum contact between thermal paths on board module assembly and heat sinking surface
  • Maximum Resistance to Shock & Vibration – Wedge action design locks board module assembly in place to provide maximum resistance to shock and vibration
  • Zero Insertion and Extraction Forces – Screw actuation provides zero insertion and extraction force on board module
  • Alignment Spring Feature – Returns wedge bodies to relaxed position when unclamping

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