Description
- Sealing element (D) combined with a centering ring (R) and an inner ring (I) which improves radial strength and protects the sealing element from erosion and inward buckling
- Commonly used with standard Raised Face, Full Face type flanges and worn RTJ flange replacement gaskets
- Inner rings are recommended for all spiral wound gaskets but are mandatory (ASME B16 20-2007) for all PTFE filled gaskets, NPS (Nominal Pipe Size) 24” and larger Class 900. NPS 12”, larger Class 1500 and NPS 4” and larger Class 2500
Additional information
| Nominal Pipe Size | 26”, 28”, 30”, 32”, 36”, 42” |
|---|---|
| Flange Rating | 150, 300, 600 |