Closure Coupling

For Duo-Pro® Double Wall Environment Piping Systems

Alternative method of installing Duo-Pro® double contained piping systems. The coupling slips over the outside diameter of the pipe, allowing the carrier to be welded and pressure tested before sealing the containment.



Ideal Applications Include: 

For use with Duo-Pro® double containment piping systems.

Supply Range

Size Range:

3″ (90mm) – 8″ (200mm)


Pro150, Pro45