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Brass 90-degree hard tube, 13 mm OD, deep black gloss, 40 cm by 20 cm legs

Alphacool

Alphacool Brass HardTube 13mm OD 90° Deep Black 20/40cm

SKU CH-K7ZG-XXG06

Pre-bent brass tubing with a 90-degree angle, 13 mm outer diameter and a 20/40 cm leg length for custom liquid-cooling loops

  • TypeTubing

Color Black

  • 90° pre-bent brass tube simplifies tight loop routing
  • 13 mm OD with 12.2 mm ID fits standard compression fittings
  • Deep Black gloss coating resists scratches and chipping
  • 8 mm wall thickness balances rigidity and easy cutting
  • 20 cm and 40 cm legs cover common component spacing

Brass HardTube for Custom Loops

These Alphacool Brass HardTubes are made for builders creating a custom liquid cooling loop who want a rigid, premium look. The 90° pre-bent shape suits tight routing between components in a 13 mm outer diameter system. They arrive new with a Deep Black gloss coating.

Installation and Common Issues

Cutting the brass requires a suitable tube cutter; afterwards you must deburr the ends with fine sandpaper or a dedicated deburrer to protect fitting O-rings. The .8 mm wall is strong yet thin enough to cut without great effort. Over-bending or forcing the tube can chip the coating.

Capacity and Headroom

The set provides a 40 cm long leg and a 20 cm short leg, giving enough reach for typical CPU-to-GPU or reservoir-to-pump runs in a mid-tower. Longer spans or complex multi-angle routes will need additional straight tubes or extra 90° pieces.

Points forts

  • 90° pre-bent brass tube simplifies tight loop routing
  • 13 mm OD with 12.2 mm ID fits standard compression fittings
  • Deep Black gloss coating resists scratches and chipping
  • 8 mm wall thickness balances rigidity and easy cutting
  • 20 cm and 40 cm legs cover common component spacing

Caractéristiques

TypeTubing

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

How can I verify the 90° brass tube is seated correctly after installation?

Confirm the 13 mm outer diameter slides fully into each fitting until the 12.2 mm bore meets the O-ring, then pressure-test the loop for leaks before powering on.

What lengths and items are included versus what I must source separately?

The pack contains one pre-bent 90° tube with a 40 cm long leg and a 20 cm short leg; fittings, coolant and cutting or deburring tools are not included.

Which version suits a loop needing a tight 90° turn in Deep Black finish?

Choose the 13 mm OD brass HardTube with 40 cm and 20 cm legs in Deep Black gloss coating, MPN 18611, for a compact right-angle run.

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