All PVC Schedule 40 CLEAR pipe and fittings and Schedule 80 Clear pipe shall be manufactured from a Type I, Grade I Polyvinyl Chloride (PVC) compound with a Cell Classification of 12454 per ASTM D1784. The pipe shall be manufactured in strict compliance to ASTM D1785, consistently meeting and/or exceeding the applicable Quality Assurance test requirements of this standard with regard to material, workmanship, burst pressure, flattening, and extrusion quality. The pipe shall be manufactured in the USA by an ISO 9001 certified manufacturer. All PVC Schedule 40 and Schedule 80 CLEAR pipe shall be packaged immediately after its manufacture to prevent damage, and shall be stored indoors at the manufacturing site until shipped from factory. All pipe shall be manufactured by HARVEL PLASTICS, INC.
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