Equipment comparison
Compare the catalog references.
Review up to three equipment or parts references, then ask Knopp to verify the exact model, fit and project scope.
Decision view
Focus the comparison.
Add another reference to identify differences. The available catalog fields are shown below.
| Compare | A · AR20Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16 |
|---|---|
| CategoryShared | Parts & components |
| TypeShared | Rolled Angle Flange Rings - Punched |
| SectionShared | Flanges - Round and Square |
| ManufacturerShared | Perry Equipment |
| SizeShared | 20" |
| Flange profile dimensionsShared | 1-1/2 x 1-1/2 x 3/16 |
| Inside diameter (ID)Shared | 21-1/8" |
| Listed item weightShared | 9.50 lb |
| Current pricingShared | Request an itemized current quote |
| Your selection |
Compare one detail at a time. Letters match your selections below.
CategoryShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- Parts & components
TypeShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- Rolled Angle Flange Rings - Punched
SectionShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- Flanges - Round and Square
ManufacturerShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- Perry Equipment
SizeShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- 20"
Flange profile dimensionsShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- 1-1/2 x 1-1/2 x 3/16
Inside diameter (ID)Shared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- 21-1/8"
Listed item weightShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- 9.50 lb
Current pricingShared
- AAR20: Rolled Angle Flange Rings - Punched - 20" 21-1/8" 1-1/2 x 1-1/2 x 3/16
- Request an itemized current quote
Source: imported owner catalog, formatted October 7, 2026. A blank or differing catalog field is not a compatibility decision. Knopp confirms manufacturer, exact model, capacity, accessories, availability, freight and installation for the written quote.