Skid size equal to the 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
Field Verification
Cherne's 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 to the right and measure the width. Add one inch to the mandrel and you have the outside dimension of the gauge. Using this method simplifies the inspector's job of verifying sizes on deflection gauges.
Shipping
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