Mide Technology Equipment
Omni™ HydroActive™ Bulkhead Shaft Seal
Non-floating, non-contacting HydroActive bulkhead shaft seal for vessels without large shaft radial deflections; fewer components and lower cost.
Description
Omni seals are HydroActive bulkhead shaft seals designed for vessels that do not have the large shaft radial deflections typically required for naval ships. With fewer components, the non-floating Omni seals are significantly less expensive and easier to install and maintain than floating designs, while keeping the benefits of Mide's HydroActive technology.
HydroActive seals use foam with embedded hydrogel particles inside a lip seal that does not normally touch the shaft. During flooding the hydrogel swells and pushes the lip seal against the shaft, creating a watertight seal while still allowing rotation, so the ship can reach a safe haven.
Key features
- Shaft diameter range 50 to 1000 mm
- Tested to 30 psi; leak rate less than 473 mL/min (0.125 GPM)
- Shaft deflection up to 10 mm
- High angle/vertical operation
- No contact in normal operation: unlimited shaft speed without wear
- First commercial sale in 2011
Applications
Watertight bulkhead penetrations for propulsion and pump shafts on commercial vessels.
Specifications
| Shaft diameter range | 50 to 1000 mm |
|---|---|
| Operating pressure | Tested to 30 psi |
| Leak rate | Less than 473 mL/min, 0.125 GPM |
| Shaft deflection | Up to 10 mm |
| High angle/vertical operation | Yes |
| Shock approved | No |
| Self centering | No |
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