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Aluminum Fin
Style Deflection Gauge:
• Lightweight, corrosion-resistant
• Field-verifiable without a proving ring
• Assembles without tools
• All sizes fit through standard 24" manhole
• Fins for 4"-15" gauges have 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
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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.
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Part Number |
Nominal Size |
Pipe |
Deflection |
Product Weight |
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Aluminum Fin Sets |
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285688 |
6", 8", 10" |
SDR 26 |
5% |
18 lbs |
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285005 |
6", 8", 10" |
SDR 35 |
5% |
18 lbs |
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285013 |
6", 8", 10" |
SDR 35 |
7.5% |
18 lbs |
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285698 |
8", 10", 12" |
SDR 26 |
5% |
19 lbs |
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285021 |
8", 10", 12" |
SDR 35 |
5% |
19 lbs |
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285048 |
8", 10", 12" |
SDR 35 |
7.5% |
19 lbs |
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Mandrels
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285617
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10"
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Mandrel (4" -15" Fins)
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288250
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24"
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Mandrel (18"- 48" Fins)
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Nominal Size |
Pipe |
5% Deflection |
7.5% Deflection |
Product Weight |
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Deflection Gauge Part Numbers |
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4" |
SDR 35 |
285056 |
285137 |
1.5 lbs |
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6" |
SDR 26 |
285638 |
Custom |
2 lbs |
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6" |
SDR 35 |
285072 |
285153 |
2 lbs |
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8" |
SDR 26 |
285648 |
Custom |
2.5 lbs |
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8" |
SDR 35 |
285080 |
285161 |
2.5 lbs |
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10“ |
SDR 26 |
285658 |
Custom |
3 lbs |
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10“ |
SDR 35 |
285099 |
285188 |
3 lbs |
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12“ |
SDR 26 |
285668 |
Custom |
4 lbs |
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12“ |
SDR 35 |
285102 |
285196 |
4 lbs |
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15“ |
SDR 26 |
285678 |
Custom |
5 lbs |
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15“ |
SDR 35 |
285110 |
285218 |
5 lbs |
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18“ |
SDR 35 |
285536 |
285560 |
8 lbs |
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21“ |
SDR 35 |
285544 |
285579 |
10 lbs |
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24“ |
SDR 35 |
285552 |
285587 |
11 lbs |
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27“ |
SDR 35 |
285595 |
285609 |
12 lbs |
Larger and custom sizes are
available
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