| Item | Part no. DIN 24250 | Description |
| 1.1 | 472/481 | Seal face with bellows unit |
| 1.2 | 410 | Sealing ring |
| 1.3 | 474 | Drive collar |
| 1.4 | Socket head screw | |
| 1.5 | 904 | Set screw |
| 2 | 475 | Seat |
| 3 | 412 | Sealing ring |
Advantages
- For extreme cold temperature ranges
- No dynamically loaded O-Ring
- Self cleaning effect
Short installation length possible - Pumping screw for highly viscous media available (dependant on direction of rotation).
Features
- Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q12)
- Seat: Silicon carbide (Q1)
- Bellows: Inconel® 718 hardened (M6), Hastelloy® C-276 (M5)
- Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
Materials
- For unstepped shafts
- Single seal
- Balanced
- Independent of direction of rotation
- Metal bellows rotating
Recommended applications
- Process industry
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Cold media
- Highly viscous media
- Pumps
- Special rotating equipment
