FlowGuard® pipe & fittings are made from a specialty plastic known chemically as chlorinated polyvinylchloride (CPVC), which offers increased product toughness year round and simplified installation using readily available, inexpensive tools.

FlowGuard pipe & fittings utilize solvent cemented joints, proven with more than 50 years of successful CPVC service history, and are available from ½" to 12" (dependent on manufacturer) and produced according to a wide range of international standards including ASTM F439 (schedule 80 fittings), ASTM F441 (schedule 40 and 80 pipe), ASTM D2846 (copper tube size pipe and fittings) and EN ISO 15877. 

Lubrizol produces and sells CPVC compounds to licensed manufacturers of FlowGuard pipe & fittings.

FlowGuard CPVC Benefits

Main benefits of a FlowGuard CPVC plumbing pipe and fittings system:

  • Quiet operation
  • Uncompromised water quality (no piping corrosion or copper contamination)
  • Energy efficiency
  • Reduced condensation
  • Simplified installation 
  • Hot and cold water compatibility

Let us guide you to the right product to meet your unique needs.

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Standards and Approvals

Standards & Approvals

Stay current on all approved FlowGuard® standards and plumbing codes.