Article
Who Made That Restraint And What Are You Doing To My Pipe? Or What's The Point?
April 5, 2010
•Article: Who Made That Restraint And What Are You Doing To My Pipe? Or What's The Point?
By EBAA Iron Sales, Inc.
When the subject of using the 2000PV series to restrain PVC pipe is broached with some people, the conditioned response is "I can't use that; it point loads the pipe." This has been used as a sales tactic by our competition for many years.
The argument has been used that PVC pipe is delicate and can't be subjected to any kind of loading. In our years of testing we have found that is not the case at all. PVC can take an extreme amount of strain.
EBAA Iron utilizes individually actuated gripping wedges to assure even and uniform holding of the PVC pipe. Before we introduced the wedge action PVC restraint, conventional thought was that full circumference grip was the only way to hold PVC. Until we learned differently, we thought that, too.
We endeavored to prove out the early wedge style products with a large number of tests. This involved short term, long term, and cyclic pressure tests. These tests gave us the evidence needed to show that wedge style gripping of PVC pipe not only worked but offered some points of advantage.
As the popularity of the product grew, we improved it and reintroduced it as the 2000PV. We continued to test and prove out our restraint products. Connections™ bulletins PV-1 and PV-2 give more detail on some of these tests that we have done.
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