| Convex grooved ring | Flexible Graphite,MICA,Sintered PTFE,Unsintered PTFE,ePTFE | KB | Carbon steel,Special alloys,Stainless steel | 450.0 | 450.0 | -250.0 | Petrochemical industry,Heat exchangers,Vessels | |
| Convex grooved ring with fixed outer ring | Flexible Graphite,MICA,Sintered PTFE,Unsintered PTFE,ePTFE | KB9 | Carbon steel,Special alloys,Stainless steel | 450.0 | 450.0 | -250.0 | Petrochemical industry,Standard flanges | |
| Convex grooved ring with loose outer ring | Flexible Graphite,MICA,Sintered PTFE,Unsintered PTFE,ePTFE | KB9L | Carbon steel,Special alloys,Stainless steel | 450.0 | 450.0 | -250.0 | Petrochemical industry,Standard flanges | |
| Special gasket with compression stops | Flexible Graphite,MICA | KNH | Carbon steel,Special alloys,Stainless steel | 200.0 | 450.0 | -200.0 | Optimal gasket compression due to compressionstop | |
| Grooved ring | Flexible Graphite,MICA,Sintered PTFE,Unsintered PTFE,ePTFE | KV | Carbon steel,Special alloys,Stainless steel | 450.0 | 450.0 | -250.0 | Petrochemical industry,Heat exchangers,Vessels | |
| Grooved ring with fixed outer ring | Flexible Graphite,MICA,Sintered PTFE,Unsintered PTFE,ePTFE | KV9 | Carbon steel,Special alloys,Stainless steel | 450.0 | 450.0 | -250.0 | Petrochemical industry,Standard flanges | |
| Grooved ring with loose outer ring | Flexible Graphite,MICA,Sintered PTFE,Unsintered PTFE,ePTFE | KV9L | Carbon steel,Special alloys,Stainless steel | 450.0 | 450.0 | -250.0 | Petrochemical industry,Standard flanges | |
