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Piping Systems & Welding

Thermoplastic Corrosion Resistant Commercial Piping Systems

Asahi/America's thermoplastic commercial thermoplastic piping systems are designed for the toughest commercial applications. We feature the Asahitec™ PP-RCT plumbing and HVAC piping system. In addition, our Air-Pro® is the only HDPE piping system approved for use and warranted, for compressed air applications. Air-Pro® is CAL-OSHA listed.

Our application engineers are ready to assist you in selecting the perfect system for your application. Along with our network of national and international distributors, we are available to help with your design projects, offer installation tips and more.

Please note as of July 27, 2018 we have discontinued our COOLSAFE pre-insulated piping system.

Asahitec™ PP-RCT Piping Systems



Potable Water, HVAC – Hot Water and Chilled Water, Food and Beverage Grade Water, Hydronics, Sports Stadiums and Arenas, Commercial Buildings, Residential Buildings, Institutional Buildings, Schools and Universities, Government Buildings, Hospitals, Hotels and Apartments

Pipe and Fittings:

Standard: 20mm to 500mm (1/2" - 20")



Type-21 Ball Valves  Materials: PP/EPDM  Body with PP-RCT connectors

Type-57 Butterfly Valves Materials: PP/EPDM

Type-14 True Union Diaphragm Valves Material: PP Bonnet/EP Diaphragm with PP-RCT connectors

Air-Pro® Compressed Air Piping System



Compressed air applications

Pipes & Fittings:

  • 20 - 110mm (1/2" - 4") SDR 7.4 / 230 psi
  • 160 - 315mm (6" - 12") SDR 11 / 150 psi