Product Detail
- For plain shafts
- Single seal
- Unbalanced
- Rotating conical spring
- Dependent on direction of rotation
- Universal application opportunities
- Insensitive to low solids content
- No damage of the shaft by set screws
- Large choice of materials
- Short installation lengths possible (G16)
- Variants with shrink-fitted seal face available
- EN 12756
- Chemical industry
- Pulp and paper industry
- Water and waste water technology
- Building services industry
- Food and beverage industry
- Sugar industry
- Low solids content media
- Water and sewage water pumps
- Submersible pumps
- Chemical standard pumps
- Eccentric screw pumps
- Cooling water pumps
- Basic sterile applications
| Item | Part no. to DIN 24250 | Description |
| 1.1 | 472 | Seal face |
| 1.2 | 412.1 | O-Ring |
| 1.3 | 474 | Thrust ring |
| 1.4 | 478 | Righthand spring |
| 1.4 | 479 | Lefthand spring |
| 2 | 475 | Seat (G9) |
| 3 | 412.2 | O-Ring |
Features
Advantages
Operating range
Shaft diameter:
d1 = 6 ... 80 mm (0,24" ... 3,15")
Pressure: p1 = 10 bar (145 PSI)
Temperature:
t = -20 °C ... +140 °C (-4 °F ... +284 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm
Materials
Seal face: Special cast CrMo steel (S)
Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
Standards and approvals
Recommended applications