Spiral wound gasket for ANSI flange connection is constructed by metal winding on filler, with centering ring and (or not) inner ring. Under the bolt pressing force, the gasket fills the gap between the flange sealing faces to achieve the sealing purpose.
Available size for type C or type D gasket (Class 150 flange)
| Size | Flange type | Filler material | Metal winding material | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9901-150 |
| 3/4″ / DN20 / 26.7mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9902-150 |
| 1″ / DN25 / 33.4mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9903-150 |
| 1-1/4″ / DN32 / 42.2mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9904-150 |
| 1-1/2″ / DN40 / 48.3mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9905-150 |
| 2″ / DN50 / 60.3mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9906-150 |
| 2-1/2″ / DN65 / 73.0mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9907-150 |
| 3″ / DN80 / 88.9mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9908-150 |
| 4″ / DN100 / 114.3mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9909-150 |
| 5″ / DN125 / 141.3mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9910-150 |
| 6″ / DN150 / 168.3mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9911-150 |
| 8″ / DN200 / 219.1mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9912-150 |
| 10″ / DN250 / 273.0mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9913-150 |
| 12″ / DN300 / 323.8mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9914-150 |
| 14″ / DN350 / 355.6mm | Class 150, FF / RF | Flexible graphite / PTFE / Non asbestos | AISI 304 / AISI 316L / Carbon steel | N9915-150 |
Note: Please download our catalog for more available sizes.
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