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High-Temperature Metallic Pipe Gaskets
Gasket Shown with
a Flat-Surface
Pipe Flange
a Flat-Surface
Pipe Flange
Gasket Shown with a Raised-Surface Pipe Flange
Also known as spiral-wound gaskets, these have a 1/8” thick carbon steel outer ring and a 304 stainless steel sealing element with a graphite-based filler. The metal construction provides structural strength. These gaskets can be used with both flat-surface and raised-surfaces pipe flanges; they fit the surface inside the bolt holes and do not interfere with the bolt connection.
Gaskets for ANSI class flanges are sized so all gasket specifications meet ANSI standards. Gaskets for ANSI Class 150 flanges are compatible with low-pressure pipe flanges. Gaskets for ANSI Class 300 flanges are compatible with medium-pressure pipe flanges. Gaskets for ANSI Class 600 flanges are compatible with high-pressure pipe flanges. Gaskets for ANSI Class 1500 flanges are compatible with extreme-pressure pipe flanges.
Gaskets with an inner ring prevent flange erosion.
For technical drawings and 3-D models, click on a part number.
For ANSI Class 150
Sealing Element | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe Size  | ID | OD | Thick. | OD | Wd. | Max. Pressure | Temperature Range, °F | Material | Sealing Element Material | Sealing Element Filler Material | Specifications Met | Each | |
| 1/2 | 3/4" | 1 7/8" | 1/8" | 1 1/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 3/4 | 1" | 2 1/4" | 1/8" | 1 9/16" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 | 1 1/4" | 2 5/8" | 1/8" | 1 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 1/4 | 1 7/8" | 3" | 1/8" | 2 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 1/2 | 2 1/8" | 3 3/8" | 1/8" | 2 3/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 2 | 2 3/4" | 4 1/8" | 1/8" | 3 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 2 1/2 | 3 1/4" | 4 7/8" | 1/8" | 3 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 3 | 4" | 5 3/8" | 1/8" | 4 3/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 4 | 5" | 6 7/8" | 1/8" | 5 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 5 | 6 1/8" | 7 3/4" | 1/8" | 7" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 6 | 7 3/16" | 8 3/4" | 1/8" | 8 1/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 8 | 9 3/16" | 11" | 1/8" | 10 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 10 | 11 5/16" | 13 3/8" | 1/8" | 12 1/2" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
For ANSI Class 300
Sealing Element | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe Size | ID | OD | Thick. | OD | Wd. | Max. Pressure | Temperature Range, °F | Material | Sealing Element Material | Sealing Element Filler Material | Specifications Met | Each | |
| 1/2 | 3/4" | 2 1/8" | 1/8" | 1 1/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 3/4 | 1" | 2 5/8" | 1/8" | 1 9/16" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 | 1 1/4" | 2 7/8" | 1/8" | 1 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 1/4 | 1 7/8" | 3 1/4" | 1/8" | 2 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 1/2 | 2 1/8" | 3 3/4" | 1/8" | 2 3/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 2 | 2 3/4" | 4 3/8" | 1/8" | 3 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 2 1/2 | 3 1/4" | 5 1/8" | 1/8" | 3 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 3 | 4" | 5 7/8" | 1/8" | 4 3/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 4 | 5" | 7 1/8" | 1/8" | 5 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 5 | 6 1/8" | 8 1/2" | 1/8" | 7" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 6 | 7 3/16" | 9 7/8" | 1/8" | 8 1/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
For ANSI Class 600
Sealing Element | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe Size | ID | OD | Thick. | OD | Wd. | Max. Pressure | Temperature Range, °F | Material | Sealing Element Material | Sealing Element Filler Material | Specifications Met | Each | |
| 1/2 | 3/4" | 2 1/8" | 1/8" | 1 1/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 3/4 | 1" | 2 5/8" | 1/8" | 1 9/16" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 | 1 1/4" | 2 7/8" | 1/8" | 1 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 1/4 | 1 7/8" | 3 1/4" | 1/8" | 2 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 1 1/2 | 2 1/8" | 3 3/4" | 1/8" | 2 3/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 2 | 2 3/4" | 4 3/8" | 1/8" | 3 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 2 1/2 | 3 1/4" | 5 1/8" | 1/8" | 3 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 0000 |
| 3 | 4" | 5 7/8" | 1/8" | 4 3/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 3 1/2 | 4 1/8" | 6 3/8" | 1/8" | 5 1/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 4 | 4 3/4" | 7 5/8" | 1/8" | 5 7/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 5 | 5 13/16" | 9 1/2" | 1/8" | 7" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 6 | 6 7/8" | 10 1/2" | 1/8" | 8 1/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 8 | 8 7/8" | 12 5/8" | 1/8" | 10 3/8" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 10 | 10 13/16" | 15 3/4" | 1/8" | 12 1/2" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
| 12 | 12 7/8" | 18" | 1/8" | 14 3/4" | 0.175" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | ASME B16.20 | 000000000 | 00000 |
For ANSI Class 1500
Sealing Element | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe Size | ID | OD | Thick. | OD | Wd. | Inner Ring ID | Max. Pressure | Temperature Range, °F | Material | Sealing Element Material | Sealing Element Filler Material | Inner Ring Material | Specifications Met | Each | |
| 1/2 | 3/4" | 2 1/2" | 1/8" | 1 1/4" | 0.175" | 0.56" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 000000 |
| 3/4 | 1" | 2 3/4" | 1/8" | 1 9/16" | 0.175" | 0.81" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 1 | 1 1/4" | 3 1/8" | 1/8" | 1 7/8" | 0.175" | 1.06" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 1 1/4 | 1 9/16" | 3 1/2" | 1/8" | 2 3/8" | 0.175" | 1.31" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 1 1/2 | 1 7/8" | 3 7/8" | 1/8" | 2 3/4" | 0.175" | 1.63" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 2 | 2 5/16" | 5 5/8" | 1/8" | 3 3/8" | 0.175" | 2.06" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 2 1/2 | 2 3/4" | 6 1/2" | 1/8" | 3 7/8" | 0.175" | 2.50" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 3 | 3 5/8" | 6 7/8" | 1/8" | 4 3/4" | 0.175" | 3.10" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 4 | 4 5/8" | 8 1/4" | 1/8" | 5 7/8" | 0.175" | 3.85" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 5 | 5 5/8" | 10" | 1/8" | 7" | 0.175" | 4.90" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 00000 |
| 6 | 6 3/4" | 11 1/8" | 1/8" | 8 1/4" | 0.175" | 5.80" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 000000 |
| 8 | 8 1/2" | 13 7/8" | 1/8" | 10 1/8" | 0.175" | 7.75" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 000000 |
| 10 | 10 1/2" | 17 1/8" | 1/8" | 12 1/4" | 0.175" | 9.69" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 000000 |
| 12 | 12 3/4" | 20 1/2" | 1/8" | 14 1/2" | 0.175" | 11.50" | Not Rated | -50° to 840° | Carbon Steel | 304 Stainless Steel | Graphite | 304 Stainless Steel | ASME B16.20 | 000000000 | 000000 |