< Deflection Testing

Cherne® 7.5% Deflection Aluminum Fin Sets for PS 115 (SDR-26) Pipe Per ASTM F679 (18"-48" Diameter)

Cherne’s Aluminum Fin Style Deflection Gauges are designed to be field verified by inspectors without the use of a proving ring. Simply place two fins end-to-end as pictured below (1) and measure the width. Add one inch to the mandrel (2) and you have the outside dimension of the gauge. Using this method simplifies the inspector's job of verifying sizes on deflection gauges.

UPC: 675115284760
Part #: 284768

Available in 8 variations

Key Features & Benefits

• Lightweight, corrosion-resistant
• Field-verifiable without a proving ring
• Assembles without tools
• All sizes fit through standard 24 in. manhole
• Fins for 4 in.-15 in. gauges have skid size equal to th nominal pipe size-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

Specifications

Average Pipe ID:	17.278 in. (438.86 mm)
Pipe ID @ Deflation:	15.44 in. (392.18 mm)
Base Pipe ID:	16.688 in. (423.87 mm)
Nominal Size:	18 in. (460 mm)
Weight:	8 lb.
Brand:	Cherne

More Specifications

Available in 8 variations