Aluminum Test Mandrels

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The Condux Aluminum Test Mandrels are pulled through duct to prove joint integrity and test for out-of-round duct, conduit or innerduct. Each mandrel has an aluminum body with two braided steel loop eyes on each end for versatility and strength. The aluminum test mandrels are designed to give an 80% fill in Schedule 40 and Type C (Telephone) PVC Duct. It will also provide roughly 80% fill in SDR 13.5 HDPE and SDR 11 in some nominal sizes.

Custom sizes are available, and the standard mandrel sizes range from 1-1/2" through 8".