Deflection Gauges

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.

Frequently Asked Questions

What is the difference between SDR 35 and SDR 26 pipe?

Both pipes have the same outside diameter. SDR 35 has a thinner wall that SDR 26.