Espey WD200 BHS
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| Item | Description |
|---|---|
| 1 | Flat seal |
| 2 | Housing, 2-piece |
| 3 | Seal ring |
| 4 | Tension spring |
| 5 | Detent |
| 6 | Spring |
Espey WD200 BHS
Features
- Multi-part seal rings, radially cut
- Split housing design
- Short axial installation length (max. 36 mm)
- Very small operation gap
- Dry running
- Self-adjusting seal rings
- Seal rings bear radial shaft movements
- Compensates axial shaft movements
- Seals on both sides of the shaft
- Resistant to sea water
- No sealing components mounted on the shaft and hence no additional shaft vibrations
- Seal rings running contact-free - sliding faces and machine consume no additional power
Advantages
- Easy installation by split housing design (shaft removal not required)
- Long-term operation time
- Maintainability
- Segmented seal rings for easy replacement
Operating range
Shaft diameter:
d = 40 ... 800 mm (1.57" … 31.5")
Operating pressure:
p = vacuum ... 3 bar (43 PSI) abs.
Operating temperature:
t = max. 225 °C (437 °F)
Sliding velocity: vg = max. 40 m/s (131 ft/s)
Radial play: ±5.0 mm (±0.2") (depending on shaft diameter)
Axial movement: theoretically unlimited
Angular deviation: ±2° (central installation, depending on shaft diameter)
Materials
Seal ring: PTFE compound
Housing: 1.4571, others
Tension spring / detent: 1.4571
Standards and approvals
- ISO 9001
- American Bureau of Shipping (ABS),
- Bureau Veritas, Lloyd's Register EMEA,
- Det Norske Veritas, Russian Maritime Register of Shipping,
- Germanischer Lloyd and others
Recommended applications
- Sea water, water
- Shipbuilding
- CO2 transportation and storage
- Drive shafts in ships, bulkheads
