Compensation Ring Spacer
Compensation Rings, also referred to as Annular Gaskets, are machined flat rings designed with precision bolt hole patterns to match standard flange dimensions. These components are used to fill a space gap between a raised face flange to a flat face flange. Each ring features a defined outer and inner diameter, bolt circle, and hole configuration to ensure a secure fit. Available in PTFE and other thermoplastics, Compensation Rings offer excellent chemical resistance and are manufactured to industry-standard specs.
- Polypropylene (PP) – Cost-effective and lightweight
- PTFE (Teflon®) – Exceptional chemical and temperature resistance
- PVDF (Kynar®) – Flame resistant and UV stable with broad chemical compatibility
Note: All sizes and thicknesses are listed in inches. Custom thickness options are available upon request. Our most commonly ordered thickness are .040, 1/16″, .093″, 1/8″, 1/4″, & 1/2″. Please specify thickness when ordering.
Our specs are for lined pipe dimensions.
| Nominal Size | Polypropylene Part No. | OD | ID | Bolt Circle | Bolt Hole Diameter | No. of Holes |
|---|---|---|---|---|---|---|
| 1/2" | #91101 | 3-1/2" | 1-9/16" | 2-3/8" | 5/8" | 4 |
| 3/4" | #91102 | 3-7/8" | 1-7/8" | 2-3/4" | 5/8" | 4 |
| 1" | #91103 | 4-1/4" | 2-9/32" | 3-1/8" | 5/8" | 4 |
| 1-1/4" | #91104 | 4-5/8" | 2-11/16" | 3-1/2" | 5/8" | 4 |
| 1-1/2" | #91105 | 5" | 3-1/16" | 3-7/8" | 5/8" | 4 |
| 2" | #91106 | 6" | 3-13/16" | 4-3/4" | 3/4" | 4 |
| 2-1/2" | #91107 | 7" | 4-9/16" | 5-1/2" | 3/4" | 4 |
| 3" | #91108 | 7-1/2" | 5-1/8" | 6" | 3/4" | 4 |
| 4" | #91109 | 9" | 6-7/16" | 7-1/2" | 3/4" | 8 |
| 5" | #91110 | 10" | 7-7/16" | 8-1/2" | 7/8" | 8 |
| 6" | #91111 | 11" | 8-1/2" | 9-1/2" | 7/8" | 8 |
| 8" | #91112 | 13-1/2" | 10-3/4" | 11-3/4" | 7/8" | 8 |
| 10" | #91113 | 16" | 13-1/16" | 14-1/4" | 1" | 12 |
| 12" | #91114 | 19" | 15-3/4" | 17" | 1" | 12 |
| 14" | #91115 | 21" | 17" | 18-3/4" | 1-1/8" | 12 |
| 16" | #91116 | 23-1/2" | 19-1/2" | 21-1/4" | 1-1/8" | 16 |
| 18" | #91117 | 25" | 21-1/4" | 22-3/4" | 1-1/4" | 16 |
| 20" | #91118 | 27-1/2" | 23-1/2" | 25" | 1-1/4" | 20 |
| 24" | #91119 | 32" | 27-3/4" | 29-1/2" | 1-3/8" | 20 |
| Nominal Size | PVDF (KYNAR®) Part No. | OD | ID | Bolt Circle | Bolt Hole Diameter | No. of Holes |
|---|---|---|---|---|---|---|
| 1/2" | #92101 | 3-1/2" | 1-9/16" | 2-3/8" | 5/8" | 4 |
| 3/4" | #92102 | 3-7/8" | 1-7/8" | 2-3/4" | 5/8" | 4 |
| 1" | #92103 | 4-1/4" | 2-9/32" | 3-1/8" | 5/8" | 4 |
| 1-1/4" | #92104 | 4-5/8" | 2-11/16" | 3-1/2" | 5/8" | 4 |
| 1-1/2" | #92105 | 5" | 3-1/16" | 3-7/8" | 5/8" | 4 |
| 2" | #92106 | 6" | 3-13/16" | 4-3/4" | 3/4" | 4 |
| 2-1/2" | #92107 | 7" | 4-9/16" | 5-1/2" | 3/4" | 4 |
| 3" | #92108 | 7-1/2" | 5-1/8" | 6" | 3/4" | 4 |
| 4" | #92109 | 9" | 6-7/16" | 7-1/2" | 3/4" | 8 |
| 5" | #92110 | 10" | 7-7/16" | 8-1/2" | 7/8" | 8 |
| 6" | #92111 | 11" | 8-1/2" | 9-1/2" | 7/8" | 8 |
| 8" | #92112 | 13-1/2" | 10-3/4" | 11-3/4" | 7/8" | 8 |
| 10" | #92113 | 16" | 13-1/16" | 14-1/4" | 1" | 12 |
| 12" | #92114 | 19" | 15-3/4" | 17" | 1" | 12 |
| 14" | #92115 | 21" | 17" | 18-3/4" | 1-1/8" | 12 |
| 16" | #92116 | 23-1/2" | 19-1/2" | 21-1/4" | 1-1/8" | 16 |
| 18" | #92117 | 25" | 21-1/4" | 22-3/4" | 1-1/4" | 16 |
| 20" | #92118 | 27-1/2" | 23-1/2" | 25" | 1-1/4" | 20 |
| 24" | #92119 | 32" | 27-3/4" | 29-1/2" | 1-3/8" | 20 |
| Nominal Size | Teflon Part No. | OD | ID | Bolt Circle | Bolt Hole Diameter | No. of Holes |
|---|---|---|---|---|---|---|
| 1/2" | #93101 | 3-1/2" | 1-9/16" | 2-3/8" | 5/8" | 4 |
| 3/4" | #93102 | 3-7/8" | 1-7/8" | 2-3/4" | 5/8" | 4 |
| 1" | #93103 | 4-1/4" | 2-9/32" | 3-1/8" | 5/8" | 4 |
| 1-1/4" | #93104 | 4-5/8" | 2-11/16" | 3-1/2" | 5/8" | 4 |
| 1-1/2" | #93105 | 5" | 3-1/16" | 3-7/8" | 5/8" | 4 |
| 2" | #93106 | 6" | 3-13/16" | 4-3/4" | 3/4" | 4 |
| 2-1/2" | #93107 | 7" | 4-9/16" | 5-1/2" | 3/4" | 4 |
| 3" | #93108 | 7-1/2" | 5-1/8" | 6" | 3/4" | 4 |
| 4" | #93109 | 9" | 6-7/16" | 7-1/2" | 3/4" | 8 |
| 5" | #93110 | 10" | 7-1/16" | 8-1/2" | 7/8" | 8 |
| 6" | #93111 | 11" | 8-1/2" | 9-1/2" | 7/8" | 8 |
| 8" | #93112 | 13-1/2" | 10-3/4" | 11-3/4" | 7/8" | 8 |
| 10" | #93113 | 16" | 13-1/16" | 14-1/4" | 1" | 12 |
| 12" | #93114 | 19" | 15-3/4" | 17" | 1" | 12 |
| 14" | #93115 | 21" | 17" | 18-3/4" | 1-1/8" | 12 |
| 16" | #93116 | 23-1/2" | 19-1/2" | 21-1/4" | 1-1/8" | 16 |
| 18" | #93117 | 25" | 21-1/4" | 22-3/4" | 1-1/4" | 16 |
| 20" | #93118 | 27-1/2" | 23-1/2" | 25" | 1-1/4" | 20 |
| 24" | #93119 | 32" | 27-3/4" | 29-1/2" | 1-3/8" | 20 |
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