PVC and CPVC Pipes


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



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.



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.