

Features mechanical seal ye400
- Single seal
- Balanced
- Independent of direction of rotation
- Stationary metal bellows
Advantages mechanical seal ye400
- For high or low temperature applications

Operating range mechanical seal ye400
- Pressure (single ply bellows):
p = vacuum … 20 bar ( … 290 PSI)
Pressure (two ply bellows):
p = vacuum … 35 bar ( … 508 PSI) - Temperature:
t = -240 °C … +425 °C
(-400 °F … +797 °F) - Sliding velocity: vg = … 50 m/s (164 ft/s)
- Viscosity: … 1 Pa·s
Materials mechanical seal ye400
- Seal face: High density carbon graphite
- Seat: Silicon carbide (Q2)
- Bellows: Inconel® 718 (M6)
- Secondary seals: Graphite
- Metal parts: 1.4404, Carpenter® 42 (T4)
Item | Description |
1 | Stationary unit |
1.1 | Bellows unit |
1.2 | Gasket |
1.3 | Clamp sleeve |
1.4 | Spring washer |
1.5 | HSH cap screw |
2 | Seat |
3 | Secondary seal |
4 | Seat housing |
5 | Drive pin |
6 | Gasket |
7 | Spring washer |
8 | HSH cap screw |
Recommended applications seal ye400
- Refining technology
- Power plant technology
- Chemical industry
- High and low temperature hydrocarbon services
Residual oil - Gas oil
- Low temperature ethylene
- Pumps
- Special rotating equipment