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Piping Systems & Welding

Double Wall Environmental Piping Systems

Asahi/America has been providing double containment piping systems to meet EPA standards for over 25 years. As the innovator and patent holder of many double containment specialty devices, Asahi/America is best equipped to help engineers and designers fabricate and install double containment piping systems.

Our systems are engineered to protect our eco-system from the dangers of exposed aggressive chemicals. Additionally, the Environmental Protection Agency (EPA) has directed the underground transport of hazardous materials be protected from release into the environment in its Standard 40 CFR, Part 280 & 281. In order to be in compliance, systems must:

  • Have at least Manual Leak Detection for Drainage Systems
  • Have Automated Leak Detection for Pressurized Systems
  • Be Double Contained
  • Have Outer Containment able to retain Media Transport for a minimum of 30 days

Double containment should be specified for more applications than regulated by the EPA. Hazardous chemicals should be protected from escape in areas where there are chemicals transported above work stations, or any other potential safety hazards due to exposure to the media.

Asahi/America has been the industry leader in engineered thermoplastic double contained piping systems for decades. Our systems have been successfully installed with confidence across a broad range of industries. Ranging in sizes from 1x2 to 16x20 and above, choosing Asahi/America provides maximum flexibility in system engineering and design. For the varying requirements of double containment, Asahi/America provides a variety of piping system options.


Duo-Pro® - PP, PVDF, E-CTFE

Duo-Pro-PP

Applications:

Drainage applications, Pressurized transfer lines, Manufacturing , Underground installations

Pipes & Fittings:

1x3 through 16x20

Materials:

Polypropylene, PVDF, & E-CTFE (Halar®)


Chem Prolok® - Advanced PE

Chem-Prolok

Applications:

Sodium hypochlorite; Sulfuric acid concentrations less than 85%; Hydrochloric acid concentrations less than 37%


Pipes & Fittings:

1x3 to 12x16

Materials:

Advanced PE Polyethylene (both inner & outer)


Fluid-Lok® - HDPE

Fluid-Lok

Applications:

Environmental Protection

Pipes & Fittings:

1x3 through 18x24

Materials:

HDPE


Poly-Flo® - PP-R & PE

Poly-Flo-PP-PE

Applications:

Installations with tights pace constraints; water treatment facilities using multiple chemicals; outside applications, due to UV resistance; systems where thermal expansion & contraction are present

Pipes & Fittings:

1x1-1/2, 2x3, 4x6 (32mmx50mm, 63mmx90mm, 110mmx160mm)

Materials:

Black Polypropylene & High Density Polyethylene


Pro-Lock® - PVC,CPVC

Pro-Lok

Applications:

Water treatment, Wastewater treatment

Pipes & Fittings:

1/2x2 through 4x8

Materials:

PVC & CPVC


Closure Coupling

Closure-Coupling

Applications:

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

Size Range:

3" (90mm) - 8" (200mm)

Materials:

Pro150, Pro45


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