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Pipex px® have unique manufacturing capabilities.

Please contact us to find out how we can help with your project requirements.

+44 (0) 1752 581 200



Product Overview

Pipex px® Civil Engineered thermoplastic chambers are designed by us to suit your project specific requirements. Whether it's a Combined Sewer Overflow (CSO), Flow Splitter Chamber, or Distribution style chamber, we can produce a model to suit your hydraulic designed chamber.  Chambers can be supplied with factory fitted rebar, designed by our engineers to suit the specific ground conditions.

We will liaise with your allocated third party equipment specialists and co-ordinate the installation of screens, pumps, and valves at our manufacturing facility.

The result will be a complete, factory off-site built engineered chamber delivered to your project site fully prepared for fast track installation.

Ideally suited for urban areas, or remote locations, where traditional build methods involve traffic management issues and risk to operatives working for long periods in open excavations.

All internal equipment such as and valves and screens can be installed at our manufacturing facility. Each chamber is modelled in 3D to provide a working visual environment.

Materials of Manufacture

  • Heavy duty, reinforced High Density Polyethylene (HDPE)
  • Polypropylene (PPH)
  Pipex px® Civil Engineered Chamber


  • “Offsite build”
  • 3D modelling
  • Highly corrosion resistant advanced thermoplastics
  • Can be designed to house any manner of specified inline equipment
  • Significant Health & Safety & Quality Construction advantages
  • Fast-track  site construction with optional integral temporary shuttering
  • Minimise open excavations & costly traffic management
  • Reduced CAPEX & through life costs compared to concrete and traditional builds
  • CSO Chambers supplied complete with static or mechanical screens, weir walls and external factory installed rebar
    Pipex px® Civil Engineered Chamber
Pipex px® CSO Chamber Cut Away   Pipex px® CSO Chamber Cut Away
Pipex px® Civil Engineered Chambers                                                                                            


Chambers up to 12m x 4m x 4m can be supplied in one section; larger chambers such as the Flow Distribution chamber (image left) can be supplied in sections with final site joints completed by our operatives.


For more information on this innovative product, please contact our technical expert at