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Our Schedule 40 and Schedule 80 IPS pressure pipe is manufactured in accordance with the specifications set forth in ASTM Standard D1785 and is listed with NSF for use in potable water applications, having met Standards 14 and 61 requirements.  Our Sch 40 has the advantage of being dual rated, it also meets the requirements of ASTM D2665.  National offers a broad range of products to meet any commercial, industrial or residential piping requirements.

Sch40/DWV - PLUMB-RITE

PLUMB-RITE® PVC Schedule 40 IPS pressure pipe is manufactured in accordancewith the specifications set forth in ASTM Standard D1785 and is listed with NSF for use in potable water applications, having met Standards 14 and 61 requirements. PVC Schedule 40 is manufactured from a rigid polyvinyl chloride compound, with a Cell Classification of 12454, as defined in ASTM Standard D1784.

Spec Sheets

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Sch80/DWV

Schedule 80 IPS pressure pipe is manufactured in accordance with the specifications setforth in ASTM Standard D-1785 and is listed with NSF for use in potable water applications, having met standard 14 & 61requirements. Dark gray in color our PVC Schedule 80 is manufactured from a rigid polyvinyl chloride compound with a Cell Classification of 12454 as defined in ASTM Standard D-1784.

Spec Sheets

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