| Galvanic corrosion flange insulator type 2 | ||
| Inner dia | Material | Part number |
| 25 | Steel, brass | 558-03.051 |
| 32 | 558-03.051-01 | |
| 40 | 558-03.051-02 | |
| 50 | 558-03.051-03 | |
| 65 | 558-03.053 | |
| 80 | 558-03.053-01 | |
| 100 | 558-03.053-02 | |
| 125 | 558-03.053-03 | |
| 150 | 558-03.053-04 | |
| 200 | 558-03.057 | |
| 250 | 558-03.057-01 | |
| 125 | 558-03.061 | |
| 150 | 558-03.061-01 | |
| 200 | 558-03.055 | |
| 250 | 558-03.055-01 | |
| 65 | 558-03.059 | |
| 80 | 558-03.059-01 | |
| 100 | 558-03.059-02 | |
| Galvanic corrosion flange insulator for flat flanges | ||
| Inner dia | Material | Part number |
| 20 | Steel, zinc | 558-35.042-01 |
| 25 | 558-35.042-02 | |
| 32 | 558-35.042-03 | |
| 40 | 558-35.042-04 | |
| 50 | 558-35.042-05 | |
| 70 | 558-35.042-06 | |
| 80 | 558-35.042-07 | |
| 100 | 558-35.042-08 | |
| 125 | 558-35.042-09 | |
| 150 | 558-35.042-10 | |
| 175 | 558-35.042-11 | |
| 200 | 558-35.042-12 | |
| 250 | 558-35.042-13 | |
| 300 | 558-35.042-14 | |








