IMPA 81 21 12
Spiral Wound Metallic Gasket (SS316 / Flexible Graphite)
Group 81 - Packing & Jointing

Welding & Packing
Engine room steam, boiler, and hydrocarbon high-pressure flange seal with external centering carbon steel guide ring and SS316 inner ring.
| IMPA Code | 81 21 12 |
| Standard | ASME B16.20 for ASME B16.5 / JIS Flanges |
| Winding Material | Stainless Steel AISI 316 with pure graphite filler |
| Pressure Class | Class 150# / 300# / 600# / JIS 10K-20K |
| Max Temperature | Up to 550°C (steam / hot thermal oil) |
| Sizes Available | 1/2" up to 24" (DN15 - DN600) |
| Supply Unit | Pcs |
| Port Availability | In Stock - All Sizes Available |



