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Piping Systems & Welding

High Purity Single Wall Plastic Piping Systems

Purad® Ultra High Purity PVDF Piping System

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Purad® UHP PVDF is the premier product for high purity water systems. The SOLEF™ PVDF resin we carefully selected and our stringent cleanroom manufacturing process provides the cleanest piping material available. Purad® is the best choice for systems with critical requirements for water quality and the prevention of product manufacturing impacts.

Purad® is the only system with a complete range of fittings in the thin wall SDR33 (150psi) for 90 & 110mm (3" and 4") sizes. This option provides significant cost savings for Asahi customers.


Data Sheet


CAD/BIM Drawings

Case Study

Ideal Applications Include: UPW, WFI, Semiconductor, Photovoltaic, Pharmaceutical, Nanotech

Supply Range


20-315 mm (1/2"-12") SDR21 230psi
90-315 mm (3"-12") SDR33 150psi



  • High purity resin and manufacturing offers extremely low leachouts
  • Wide range of components including zero-deadleg valves, pressure regulators and specialty fittings
  • Thin wall SDR33 offers cost savings starting at 90mm (3")
  • Complimented by our cutting-edge SP series fusion equipment