Exposed Spiral Pipe – Paint Lock, Paint Grip, Mill-Phosphatized

ADMP’s spiral pipe, the ultimate in pressure-tight circular tubes of superior quality, is fabricated in exact sizes using paintlock steel with .03 inch galvanized coating on each side, ASTM A-591. The pipe consists of a smooth interior for low friction loss and 4 ply spiral lockseam entirely on the outside for high strength and rigidity.

ADMP’s spiral pipe is produced on a modern spiral pipe machine of proven performance.

Thousands of feet, of this pipe, has been produced for such diverse installations as libraries, hospitals, multi-purpose and gymnasium school buildings & upscale restaurants.

Couplings conform to SMACNA 2005 and ASHRAE standards for spiral pipe, unless otherwise noted.

Seam metal is held to plus or minus .006 of an inch.

Sizes and Gauges:

4” – 10” are available in 1 inch increments
12” – 64” are available in 2 inch increments

ADMP’s spiral pipe construction will meet or exceed SMACNA 2005, 3rd edition unless otherwise specified.

Hydrostatic Pressures:

Hydrostatic pressures to seam failure – all pressure in lbs. per square inch.





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