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Cherne 286788 Fixed Steel Deflection Gauge, 21", PS 46 (SDR-35)

Size: 21"
  • Brand Cherne
  • Part # 286788
  • Condition
    Brand New

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Size:
Size: 21"

Cherne, 286788, 7.5% Fixed Steel Deflection Gauge, 21", for PS 46 (SDR-35) Pipe per ASTM F679

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
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Technical Details

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Nominal Size21" (533.40 mm)
Average Pipe ID20.800" (528.32 mm)
Base Pipe ID20.098" (510.49 mm)
Pipe ID Deflated18.59" (472.19 mm)
Weight18.0 lbs
Product Details
Nominal Size21" (533.40 mm)
Average Pipe ID20.800" (528.32 mm)
Base Pipe ID20.098" (510.49 mm)
Pipe ID Deflated18.59" (472.19 mm)
Weight18.0 lbs
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(800) 884-5767
+1 (332) 900-3727 (Intl.)