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Proving Ring:
• Used to verify deflection gauge sizes
• Standard sizes: 6"-15" SDR 35 5% deflection and 8"-12" SDR 35 7.5% deflection
• Custom sizes for 5"-18" also available
Cherne Proving Ring
Cherne Proving Ring

Part Number

Nominal Size

Pipe

Deflection

Product Weight

Proving Rings

073199

6"

SDR 35

5%

4 oz (.11 kg)

073202

8"

SDR 35

5%

4 oz (.11 kg)

073253

8"

SDR 35

7.5%

4 oz (.11 kg)

073210

10"

SDR 35

5%

6 oz (.17 kg)

073261

10"

SDR 35

7.5%

6 oz (.17 kg)

073229

12"

SDR 35

5%

6 oz (.17 kg)

073288

12"

SDR 35

7.5%

6 oz (.17 kg)

073237

15"

SDR 35

5%

7 oz (.20 kg)

Larger and custom sizes are available.