A layout drawing like the ones shown below are submitted with all quotations that show anchor rings, grab handles and inflation tube location points. The amount of anchor rings and grab handles supplied on each duct balloon varies according to the duct balloon design, its size, or by customer request. Anchor rings are typically located in the corners of the balloon on one side to serve as an attachment point should the balloon need to be hoisted in place prior to inflating it. Most duct balloons that are less than 20’ in height can be maneuvered into place during the inflation process by using the grab handles. The layout drawing shows the length of the inflation tube or if a Flex-Duct type of inflation tube will be supplied.
The inflation tube on all duct balloons is permanently attached and cannot be moved. Customers are required to approve the inflation tube location on their balloon prior to manufacturing. It is typically located in the bottom center of the balloon about 3’0” from the bottom edge, but can be located anywhere on the balloon, even on the side edge if necessary. On large balloons, it is typically located on the balloon so that it will exit the duct work near the access door.
We use 8” diameter Flex-Duct when the application requires a number of 90º turns or bends in order to prevent kinks.
Copyright 2010 by G.R. Werth & Associates, Inc. - All rights reserved
Duct Balloon
Inflatable Isolation Barriers
