RII-G104

Division 02 — Gasketing Solutions
Spiral Wound Gaskets
Semi-metallic spiral wound gaskets to ASME B16.20 with graphite or PTFE filler for critical flanged joints.
SEC / 01–02
Features & Applications
Key Features
- V-profile SS winding with soft filler
- Inner and outer rings per ASME B16.20
- Fillers: graphite, PTFE, ceramic
- Windings: SS304, SS316L, Monel, Inconel
- Colour coded per standard
Typical Applications
- Refinery and petrochemical flanges
- High-pressure steam joints
- Heat exchangers and vessels
- Pipeline class 150–2500 joints
- Critical hydrocarbon services
SEC / 03
Technical Specifications
| Standard | ASME B16.20 |
|---|---|
| Sizes | 1/2" NB – 24" NB (larger on request) |
| Pressure class | 150 # – 2500 # |
| Winding material | SS304 / SS316L / Monel / Inconel |
| Filler | Flexible graphite / PTFE / ceramic |
| Temperature limit | −200 °C to +650 °C (graphite) |
| Rings | CS outer / SS inner (as specified) |
Values above are indicative of standard grades. Confirm final specification against your service conditions with our team before ordering.