Cherne® 5% Deflection Gauges for PS 46 (SDR-35) Pipe per ASTM F679 (18" - 48" Dia.)
- Durable, zinc-plated construction resists corrosion
- Conforms to mandrel sizing specification-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