Applications
For Flange joints, manhole and handhole covers, tube covers, boilers, heat exchangers, pressure vessels, pumps, compressors and valves, etc.
Especially for high-temperature and high-pressure steam, and for low-temperature LNG.
Spiral wound gaskets are special semi-metallic gaskets of great strength and resilience.
Manufactured by spiral winding V-shaped metal strip and strip of flexible graphite filler.
And can be reinforced with an outer centering ring and/or inner retaining ring.
It has excellent sealing performance even under severe operating conditions such as high temperature and high pressure, low temperature, thermal cycle, and temperature cycle.
Specification
| Filler | Flexible graphite |
| Winding (Hoop) | 316L or 304 |
| Inner ring | 316L or 304 |
| Outer ring | Carbon steel |
| Thickness | 4.5mm |
| Temperature | -240°C to 450°C -400℉ to 842℉ |
| Pressure | 420 Bars |