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- Cherne® Aluminum Fin Sets are used to test flexible sewer pipe for out-of-roundness or deflection under ASTM specifications D3034 and F679 to ensure that flexible pipe has been properly bedded and backfilled for optimal performance.
Cherne® Fin Set, 21 in, Aluminum
- SDR 35 pipe
- 5% deflection
- Lightweight, corrosion-resistant
- Field-verifiable without a proving ring
- Assembles without tools
- All sizes fit through standard 24 in manhole
- Fins for 4 to 15 in ga have skid size equal to the nominal pipe size to gauge will meet regional codes and will not tip in the line
- Nine-fin design ensures testing accuracy
- Open design allows gravel and debris pass-through
- MaterialAluminumSpecifications21 inManufacturerOATEYManufacturer #285544