CQG Series High Purity Couplings


Colder CQG06® Series, high purity couplings feature our patented pressure balanced, non-spill design. Molded virgin polypropylene and a 100% springless flow path provide broad chemical resistance and exceptionally high flow capacity, allowing instant disconnects (and reconnects), even under pressure.

Colder CQG Series Couplings Specifications

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CQG Series Connector Coupling BodiesColder CQG Series Coupling Bodies
Provide broad chemical resistance and exceptionally high flow capacity, allowing instant disconnects (and reconnects), even under pressure.
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CQG Series Connector Coupling InsertsColder CQG Series Coupling Bodies
Provide broad chemical resistance and exceptionally high flow capacity, allowing instant disconnects (and reconnects), even under pressure.
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Colder CQG06 Series Specifications:


  • Material: Polypropylene
  • Seals: FKM
  • Internal Valve Springs: 316 Stainless Steel
  • Springs(non-wetted): Hastelloy® C
  • External Spring: 302 Stainless Steel
  • Flare nuts: PVDF
  • Panel nuts: HDPE
  • Operating Pressure: 0 - 80 psig (0 - 5.5 bar)
  • Temperature: 32°F to 150°F
  • Tubing Range: 3/8" to 3/4"

Colder CQG06 Coupling Applications:


  • Surgical Devices
  • Patient Monitors
  • Medical Beds
  • Air Support Surfaces
  • Temperature and Compression Therapy
  • Analytical Equipment
  • Food and Beverage
  • Electronic Cooking
  • Fuel Cells
  • Ink Delivery and Printing
  • Semiconductor Process