The Wärtsilä Enviroguard PSE seal is a water lubricated, environmentally friendly inboard sealing solution which is suitable for both blue-water and abrasive water conditions. The product is designed to withstand large shaft movements without affecting the performance of the equipment.
Developed to tolerate aggressive waters that may be heavy with silt or sand, the seal has a long track record of outstanding performance in all water conditions. The Enviroguard PSE seal offers increased reliability and ensures that there is no risk of polluting the marine environment.
This seal comprises hard wearing interfaces for abrasion resistance and is suitable for both new build and retrofit for any commercial vessel, the product has partially and fully split options for ease of maintenance and seal replacement.
The Wärtsilä Enviroguard PSE is available in sizes between 70mm and 460mm, with fully and partially split options available. Installation is easy, and the seal can be retrofitted to almost any stern tube.
5 Year Service Intervals
With no maintenance between planned overhauls (up to 5 years), the PSE is a reliable solution.
For complete peace of mind, the Wärtsilä Enviroguard PSE seal has an inflatable seal in the event of an emergency or in water seal maintenance.
Hard Wearing Interfaces
Silicon carbide sealing contact materials are resistant to abrasives and particulates in the water.
- Shaft diameter - Ø70 to Ø460mm (PSE)
- Axial movement -10mm AFT/+20mm FWD
- Radial movement - up to 10mm
- Service pressure - 1.0 bar maximum
- Operating temperature -5°C to 40°C