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- Deflection gas (mandrels) are used to test flexible sewer pipe for out-of-roundness/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. Other gas can get hung up - causing a deflection test to fail, even though the pipe is within tolerance. Sized to 0.02 in, steel deflection ga styles meet ASTM requirements. Cherne® Industries is a global leader in pipe plugs and testing.
Cherne® Deflection Gauge, Fixed, 18 in Pipe, 5 % Deflection Gauge, Steel, Zinc Plated
- Durable, zinc-plated construction resists corrosion
- Conforms to mandrel sizing specifications-blade length is equal to or greater than the nominal pipe size
- Nine-arm design ensures testing accuracy
- Open design allows gravel and debris pass-through
- Deflection Gauge5 %MaterialSteelPipe Size18 inTypeFixedFinishZinc PlatedManufacturerOATEYManufacturer #286618