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Piping Systems & Welding

Plastic Double Containment Piping Systems

Duo-Pro® Engineered Double Containment Piping System

The premier double containment piping system offered on the market today, Duo-Pro® has been successfully installed in several Fortune 500 companies including semiconductor, pharmaceutical and chemical processing industries.

Duo-Pro® offers maximum versatility to meet the unique requirements of each individual application. The mix and match feature allows system designers to specify pipe material and ratings based on media and pressure changes throughout an entire system. Duo-Pro® component pieces and prefabricated spools, which are welded by trained professionals, are shipped fully fabricated and ready for installation.


Data Sheet


Asahi Minute Video


Ideal Applications Include:

Drainage applications, pressurized transfer lines, manufacturing, underground installations

Supply Range

Pipes & Fittings:

1x3 through 16x20


150psi and Drainage


Polypropylene, PVDF, & ECTFE (Halar®)


  • The system uses proven, highly corrosion resistant materials such as co-polymer polypropylene and Super Proline® PVDF
  • Fluids can be pumped through the carrier pipe up to 150psi
  • Can be assembled using simultaneous butt or staggered butt fusion
  • Leak detection cable can be easily installed in sizes 3x6 and higher


  • Simultaneous Butt Fusion
  • Staggered Butt Fusion


  • Leak Detection