GM-X Pipe Galvanised steel pipe and fittings system

ACO's GM-X pipe range of socketed galvanised steel pipe products is designed for external applications, such as rainwater drainage, where a robust and highly durable system is required.  

GMX Pipe has a two-stage socket design utilising the GMX seal to provide rigid and solid, buckle-proof connection of fittings, guaranteeing joint tightness.

ACO GM-X pipe is available in different lengths and a choice of eight different diameters ranging in size from 32mm to 200 mm.  GM-X pipe is compliant with BS EN 1123 and ACO also provides a range of accessories including angled bends, single, double and corner branches, connectors and brackets.



  • Option for vacuum connection with VACplus seal
  • Rigid, buckle-proof connections
  • Two-stage socket design with wide range of seals


  • Confirms to EN 1123
  • Lightweight and easy to install
  • Robust and highly durable
  • Highly corrosion resistant
  • Non combustible- No additional fire collars needed at installation

Recommended Applications

  • Car parks
  • Railways stations and bus terminals
  • Wide range of commercial and industrial applications

Featured Downloads

Telehouse North Two Case Study

Telehouse North Two is the fifth London-based data centre to be opened by Telehouse. ACO Building Drainage delivered a stainless steel pipe solution within the given timeframe and budget.

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