EK-HDC ALU Fitting 12mm - Black

Produkt-EAN: 3831109890431
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This product is Aluminum-based. It cannot be used with components made of other metals.

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EK-HDC ALU Fitting is a high-flow compression fitting designed for use with only solid tubing. The choice of material for the tube can be aluminum or any other non-metal based material like Acrylic, PETG, glass etc..

EK-HDC Fitting is a fail-safe tubing fitting connector as the locking ring prevents the solid tube to be pulled out of the socket. The base of the fitting contains one O-ring while the other O-ring is compressed by the locking ring, thus securing the hard tubing.

The base and locking ring are made of high-grade CNC machined aluminum and the fitting features a quality rubber O-ring. The locking ring has a flawless and even coloring with a process called anodization. The EK-ACF ALU fitting is fully compatible with EK-AF ALU series 45° and 90° angled adapters.

Best practice is to install these fittings using Allen Key 9mm (not included, available for separate purchase).

Technical data:
- thread: G1/4" BSP; 4.5mm male thread length
- supported tube: 12mm (OD)
- outer diameter of a fitting: 18.8mm
- installed height: 17mm
- compatible hard tubing: Acrylic, PETG, aluminum

ROHS Compliant!

Made in Slovenia - Europe!


  • Compatible only with EK ALU series products!
  • Do not mix ALU series fitting with brass, copper any other type of metal based parts in your liquid cooling loop!
  • Please wet the gasket (o-ring) using drops of water prior to installing solid tube.
  • Do not use excessive force when inserting solid tube!
  • It is mandatory to chamfer (deburr) the edges of freshly cut solid tube in order to prevent gasket (o-ring) damage. EK recommends a 0.5mm x 45° chamfer.


Threads G1/4

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