Hydraulique

Quick couplings

ISO 7241 series A and B couplings, ISO 16028 flat-face, agricultural push-pull, multi-couplers, high-pressure models and dust caps for hooking up your implements.

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A quick coupling is chosen on its profile, its nominal size and its locking method. The profile is the only thing that matters for interchangeability: two couplings of the same size but with different profiles will not connect, or will connect badly.

The ISO 7241 series A and series B profiles use ball-type valves and are not compatible with one another. The ISO 16028 flat-face profile has two flush faces: almost no fluid lost on disconnection, almost no air drawn in on connection, and faces that wipe clean with a rag. It is the standard fit on mini excavators, compact loaders and mounted attachments.

  • Residual pressure trapped in an attachment's hose will stop it connecting: use a push-pull model, or release the pressure first.
  • A coupling left open picks up dust and water, which go straight back into the circuit: always fit the caps.
  • Where vibration is heavy, and on breakers, go for threaded-sleeve locking.

We identify the profile from a sample and fit the couplings straight onto your hoses.

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