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Proving Ring in Use
Proving Ring Features:
Used to verify deection gauge sizes
Standard sizes: 6"–18" SDR 35 5% deection
and 8"–12" SDR 35 7.5% deection
CORE MANDRELS
PROVING RINGS
For quick and easy
size verication
For sizing and pricing contact Customer Service at
chernesupport@oatey.com or 800-321-9532
PART NUMBER NOMINAL SIZE PIPE DEFLECTION PRODUCT WEIGHT
073199 6" (150 mm) SDR 35 5% 4 oz (.11 kg)
073202 8" (200 mm) SDR 35 5% 4 oz (.11 kg)
073253 8" (200 mm) SDR 35 7.5% 4 oz (.11 kg)
073210 10" (250 mm) SDR 35 5% 6 oz (.17 kg)
073261 10" (250 mm) SDR 35 7.5% 6 oz (.17 kg)
073229 12" (300 mm) SDR 35 5% 6 oz (.17 kg)
073288 12" (300 mm) SDR 35 7.5% 6 oz (.17 kg)
073237 15" (380 mm) SDR 35 5% 7 oz (.20 kg)
075868 18" (460 mm) SDR 35 5% 7 oz (.20 kg)
PART NUMBER NOMINAL SIZE
285617 10" mandrel for 4" – 15" aluminum n sets
285250 24" mandrel for 18" – 48" aluminum n sets
285488 48" mandrel for 48" – 60" aluminum n sets
030268 Deection gauge case. Holds 10" mandrel, and three n sets (6"–12" n sets)
CORE MANDRELS FOR ALUMINUM FINNED DEFLECTION GAUGES
PROVING RINGS
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Oatey.com/Cherne