Cherne, 286568, 5% Fixed Steel Deflection Gauge, 6″, for SDR-35 Pipe per ASTM D3034
Deflection Gauge (mandrel) 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.
Features:
- 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
