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PS254
PS254
Features
- Single seal
- Balanced
- Independent of direction of rotation
- Stationary metal bellows
Advantages
- For high or low temperature applications
Operating range
- Pressure (single ply bellows): p = vacuum ... 20 bar ( ... 290 PSI)
- Pressure (two ply bellows): p = vacuum ... 35 bar ( ... 508 PSI)
- Temperature: t = -240 oC ... +425 oC(-400 oF ... +797oF)
- Sliding velocity: vg = ... 50 m/s (164 ft/s)
- Viscosity: ... 1 Pa.s
Recommended applications
- Refining Technology
- Power Plant Technology
- Chemical Industry
- High and low temperature hydrocarbon services
- Residual oil
- Gas oil
- Low temperature ethylene
- Pumps
- Special rotating equipment
Materials
- Seal face: High density carbon graphite
- Seat: Silicon carbide (Q2)
- Bellows: Inconel® 718 (M6)
- Secondary seals: Graphite
- Metal parts: 1.4404, Carpenter® 42 (T4)
