PVC pipe that falls under the SDR (or standard direct ratio) classification are categorized based on the ratio of their average outside diameter to their minimum wall thickness. SDR-35 PVC pipe is often used for gravity sewers.

## Dimensions

SDR-35 PVC pipe comes in sizes ranging from 4 to 15 inches. The 4-inch size has an outside diameter of 4.215 inches, while the 6-inch measures 6.275 inches, the 8-inch measures 8.4 inches, the 10-inch measures 10.5 inches, the 12-inch measures 12.5 inches and the 15-inch measures 15.3 inches. The minimum wall thickness ranges from 0.12 to 0.437 inch.

## Length and Weight

SDR-35 PVC pipe comes in laying lengths of 14 feet and 20 feet. The pipes that measure 20 feet have a slightly thicker minimum thickness. Their weight ranges from 1.03 pounds per foot for the 4-inch size to 13.39 pounds per feet for the 15-inch size.

## Truckloads

PVC pipe is delivered in truckloads full of Fastpaks. The number of pipe lengths that fit in a Fastpak depends on the size, ranging from 12 to 1,140. The number of Fastpaks per truckload range from 4 to 24, and the number of pounds per truckload range from 18,000 to 28,000.

About the Author

Jennifer Gigantino has been writing professionally since 2009. Her work has been published in various venues ranging from the literary magazine "Kill Author" to the rehabilitation website Soberplace. She holds a Bachelor of Arts in film and digital media from the University of California at Santa Cruz.

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