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Six white brass compression fittings for 13mm hard tubes, G1/4 threads, 20mm tall, 22mm diameter

Alphacool

Alphacool Eiszapfen Pro 13mm Hardtube Fitting G1/4 White Sixpack Brass

SKU CH-ZCQ9-WRAND

Six white brass compression fittings for 13 mm hard tube with G1/4 threads and nylon inserts that resist deformation up to 60 °C

  • TypeFittings
  • Prevents PETG deformation at 60°C with internal nylon inserts
  • Tested tensile strength over 8 kg keeps tubes secure under load
  • G 1/4 thread and 13 mm size fit standard hard-tube loops
  • Brass body with white finish matches clean build aesthetics
  • Sixpack provides enough fittings for a typical custom loop

White 13mm G1/4 Fittings

The Alphacool Eiszapfen Pro fittings are compression connectors for 13mm hard tubing with a G 1/4 thread. Made of brass with a white finish, they suit custom liquid-cooling loops that use PETG, acrylic, brass or glass tubes. The pack contains six fittings for parallel runs or multi-component builds. Each fitting stands 20mm high and 22mm wide with a 5mm thread length.

Nylon Inserts Prevent Tube Deformation

Internal nylon inserts stabilise the tube against softening that can begin at 60°C. The inserts reinforce the tube from the inside while the compression seal grips a larger contact area than a standard O-ring. Alphacool reports tensile strength beyond 8kg, so tubing remains fixed even under sustained pump pressure and thermal cycling. The dual sealing method keeps joints secure during long operating periods.

Not Recommended for Bitspower Tubing

The fitting is designed for 13mm outer-diameter hard tubes in PETG, acrylic, brass or glass. Bitspower brand tubing is explicitly excluded by the manufacturer. The G 1/4 thread fits standard water-block, radiator and reservoir ports, but the 13mm bore limits use to loops built around that tube size. Builders needing other diameters must choose different fittings.

Punti di forza

  • Prevents PETG deformation at 60°C with internal nylon inserts
  • Tested tensile strength over 8 kg keeps tubes secure under load
  • G 1/4 thread and 13 mm size fit standard hard-tube loops
  • Brass body with white finish matches clean build aesthetics
  • Sixpack provides enough fittings for a typical custom loop

Caratteristiche tecniche

TypeFittings

Domande su questo articolo

How much heat can the nylon inserts in the Eiszapfen PRO 13mm fittings handle before PETG tubing might deform?

The nylon inserts are designed to stabilise PETG tubing, which can begin to deform at 60°C, preventing movement even under sustained load.

What thread and tube size must my existing water-cooling blocks and hard tubes match for these G1/4 compression fittings to work?

Each fitting uses a G1/4 thread with a 5 mm thread length and accepts 13 mm outer-diameter hard tubes such as PETG, acrylic or brass.

Will the white brass finish and 22 mm diameter of these six fittings match older Alphacool Eiszapfen components I already own?

They share the same G1/4 thread and 13 mm tube size, so they connect to legacy Eiszapfen parts, but the white coating and larger 22 mm outer diameter may look different.

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