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Black cylindrical coupler for 12mm rigid tubing

Barrow Mods

Barrow Mods TYDJ12-V1 12mm rigid tube coupling

SKU CH-THXF-2JDF0 MPN TYDJ12-V1

Connects two 12mm rigid tubes with multiple O-rings for a leak-free seal

  • FeaturesConnect two 12mm rigid tubes together safely and easily with
  • Connects two 12mm rigid tubes securely
  • Multi O-ring seal prevents leaks and breaks
  • Designed exclusively for 12mm OD rigid tubing
  • Incompatible with soft or differently sized tubing
  • Single coupler adapter included in the box

Multi-Link Coupler for 12mm Rigid Tube

This Barrow Mods TYDJ12-V1 coupler joins two 12mm OD rigid tubes in a custom water-cooling loop. It is intended for builders who need a straight, leak-free connection between matching hard tubes. The black finish suits monochrome or dark-themed builds. It is not for users working with soft tubing or any tube size other than 12mm OD.

Installation and Common Issues

Push each tube into the coupler until it seats against the internal stop; multiple O-rings create the seal without tools or clamps. The main risk is inserting soft tubing or a different diameter, which will not seal and can cause leaks. Ensure tube ends are cut square and deburred so the O-rings seat cleanly. No adhesive or thread tape is required.

Capacity and Headroom

The fitting handles the pressure and flow typical of desktop liquid-cooling loops using 12mm rigid tubing. It adds minimal restriction, so pump performance is unaffected in normal configurations. Headroom ends if the loop pressure exceeds the O-ring rating or if tubing tolerance falls outside the 12mm specification. It cannot connect dissimilar tube sizes or flexible hose.

Highlights

  • Connects two 12mm rigid tubes securely
  • Multi O-ring seal prevents leaks and breaks
  • Designed exclusively for 12mm OD rigid tubing
  • Incompatible with soft or differently sized tubing
  • Single coupler adapter included in the box

Specifications

BrandBarrow
ModelTYDJ12-V1
FeaturesConnect two 12mm rigid tubes together safely and easily with Barrow's Multi-Link coupler fittings! Perfect for use with Barrow's 12mm OD rigid tubing.
Part NumberTYDJ12-V1

Questions about this item

How do I confirm the TYDJ12-V1 coupler is sealing correctly after I join two 12mm rigid tubes?

Pressurise the loop and inspect both ends of the coupler; the multiple internal O-rings should hold a leak-free seal with no drips or pressure drop visible at the tube joints.

What comes with the TYDJ12-V1 and what must I supply myself?

The box contains one black Multi-Link coupler adapter; you must provide two lengths of 12mm OD rigid tubing and any cutting or deburring tools needed to prepare the tube ends.

Which version of this coupler should I choose for my loop?

Only the 12mm OD rigid-tube version (TYDJ12-V1) is offered; select it when your build uses 12mm outer-diameter rigid tubing, as it will not fit soft tubing or other diameters.

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