Cherne® Deflection Gauges, which include Fixed Steel and Aluminum are used to test flexible sewer pipe for out-of-roundness or deflection per ASTM specifications D3034 and F679. This testing ensures that flexible pipe has been properly bedded and backfilled (ASTM D2321) to give optimal performance.
It appears that you're using an unsupported browser.
If you are currently using Internet Explorer we recommend you switch to Edge or another supported browser to enjoy the best experience Oatey.com has to offer.