PVC and CPVC Pipes

Scope

This specification sheet covers the manufacturer’s requirements for PVC and CPVC pipes in accordance with respective international standards. These pipes meet or exceed the standards set by the American Society for Testing and Materials, the National Sanitation Foundation, British Standards Institute, German Industrial Norms and Japanese Industrial Standards.

 

PVC and CPVC Materials

Rigid PVC (polyvinyl chloride) and CPVC (chlorinated polyvinyl chloride) used in the manufacture of pipes is Type I, Grade 1 PVC compound, and Type IV, Grade 1 CPVC compound as stated in ASTM D-1784. Raw material used in extrusion shall contain the specified amounts of colour pigment, stabilizers, and other additives approved by the National Sanitation Foundation. Dimensions and Wall Thicknesses Physical dimensions, wall thickness and tolerances of PVC and CPVC pipes meet the requirements of ASTM, DIN and BS specifications for pipes.

 

Marking

PVC and CPVC pipes are marked as prescribed in ASTM D-1784 to indicate the manufacturer’s name or trademark, size of pipe, material designation, batch number and month of production. There must be clear distinguishing on those products that are PVC and those products that are CPVC. Where there is no restriction of space, wall thicknesses shall also be indicated.