Spiral-wound metal construction to PN and ANSI standards
A spiral-wound gasket consists of two strips wound together: a metal strip such as AISI 316L, 304 or 321 and a filler strip in 98% graphite, PTFE or another material.
The essential product information is grouped here to make comparisons and project preparation easier.
Review the available values, formats and technical tables for this product.
Dimensions in mm for the most common nominal sizes. Other sizes and pressure classes are available on request.
| Diameter (mm) | D1 | D2 | D3 | D4 |
|---|---|---|---|---|
| 15 | 22 | 28 | 40 | 40 |
| 20 | 27 | 33 | 47 | 47 |
| 25 | 34 | 40 | 54 | 54 |
| 32 | 43 | 49 | 65 | 65 |
| 40 | 48 | 54 | 70 | 70 |
| 50 | 57 | 66 | 84 | 84 |
| 65 | 73 | 82 | 102 | 104 |
| 80 | 86 | 95 | 115 | 119 |
| 100 | 108 | 120 | 140 | 144 |
| 125 | 134 | 146 | 168 | 172 |
| 150 | 162 | 174 | 196 | 200 |
| 175 | 183 | 195 | 221 | 227 |
| 200 | 213 | 225 | 251 | 257 |
| 250 | 267 | 279 | 307 | 315 |
| 300 | 318 | 330 | 358 | 366 |
Dimensions in mm for the most common nominal sizes. Classes 300 to 600 lb are available on request.
| Diameter | D1 | D2 | D3 | D4 |
|---|---|---|---|---|
| 1/2" | 14,2 | 19,1 | 31,8 | 47,8 |
| 3/4" | 20,6 | 25,4 | 39,6 | 57,2 |
| 1" | 26,9 | 31,8 | 47,8 | 66,8 |
| 1 1/4" | 38,1 | 47,8 | 60,5 | 76,2 |
| 1 1/2" | 44,5 | 54,1 | 69,9 | 85,9 |
| 2" | 55,6 | 69,9 | 85,9 | 104,9 |
| 2 1/2" | 66,5 | 82,6 | 98,6 | 124,0 |
| 3" | 81,0 | 101,6 | 120,7 | 136,7 |
| 4" | 106,4 | 127,0 | 149,4 | 174,8 |
| 5" | 131,8 | 155,7 | 177,8 | 196,9 |
| 6" | 157,2 | 182,6 | 209,6 | 222,3 |
| 8" | 215,9 | 233,4 | 263,7 | 279,4 |
| 10" | 268,2 | 287,3 | 317,5 | 339,9 |
| 12" | 317,5 | 339,9 | 374,7 | 409,7 |
A spiral-wound gasket consists of two strips wound together: a metal strip such as AISI 316L, 304 or 321 and a filler strip in 98% graphite, PTFE or another material.
The main stated properties are: Material : AISI 316L, 304, 321 or other materials ; Filler : 98% graphite, PTFE or other materials ; Temperature : Up to 650°C ; Pressure : Up to 500 bar.
The main points are: Metal strip: AISI 316L, 304, 321, Incoloy, Monel or other alloys; Filler strip: 98% graphite, PTFE or other materials; Optional stainless-steel inner ring; Optional carbon-steel or stainless-steel outer ring; D1: inner diameter of the inner ring; D2: inner diameter of the sealing element.
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