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Series 567, DN9 Brass

  • Compact design and one-hand-operated quick connect coupling
  • Unlimited combination possibilities
  • A drip-free and flat-face fluid connector


Quick disconnect series 567 Non-Drip couplings are suitable for liquid cooling applications. The dry-break design of the series ensures practically zero spillage and eliminates pollution and air inclusion during connection and disconnection. This affordable DN 9 brass version is available in three configurations: double shut-off, single shut-off and straight through. Series 567 quick connect couplings are also available with colour-coding and/or key coding for extra safety. Optional sealing material is available upon request.


The series is available in four other sizes: series 267, 467, 667 and 767. Please refer to series 577 for a stainless steel version. For other sizes in stainless steel, refer to series 277, 477, 677 and 777. If you can’t find a product that meets your requirements, don’t hesitate to contact us, and we’ll put our R&D department at your disposal. Applications: High-performance computing racks/switch blades, chassis manifolds, cold plate, rack CDU manifolds, GPU manifolds, LED equipment, fuel cells, graphic cards, theatre projectors, medical imaging equipment, IGBTs, power converters, power inverters, rectifiers, industrial drives.

Technical data

Nominal flow diameter9.0 mm (0.4″)
Water flow (double shut-off)76 l/min (16.7 GPM UK)
Max. working pressure20 bar (290 PSI)
Min. burst pressure80 bar (1160 PSI)
Temperature range-15°C — +100°C (5°F — +212°F)
Material couplingNickel-plated brass
Material nippleNickel-plated brass
Kv (double shut-off)2.11
Cv (double shut-off)2.44
CommentSingle shut-off must utilize valved coupling and valveless nipple

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Technical data:

Couplings(Socket)Part No.ConnectionSealLengthDiameterHexagon
Female thread10 567 1220G 1/2″ (BSP), green code*EPDM52.53427
Nipple (Plug)Part No.ConnectionSealLengthDiameterHexagon
Female thread10 567 6220G 1/2″ (BSP), green code*EPDM56.52927