Lip seal Reliant RM

metalwith framefor water

The Reliant RM range of bulkhead seals are cartridge or diaphragm replacements for ships that already have bulkhead seal housings. For these ships, Reliant RM seals offer a cost effective retrofit solution, along with all of the advantages and benefits of Midé Marine HydroActive™ technology. Measurements on Reliant RM seals, installed on US Navy ships, concluded that the non-rotating seals offer superior wear performance over existing diaphragms that rotate with the shaft. Leak Rate - Less than 473 mL/min, 0.125 GPM Shaft Deflection - Up to 50 mm High Angle/Vertical Operation Yes Shock Approved - Yes Self Centering Yes HydroActive Technology Foam with embedded hydrogel particles is the key technology that enables our HydroActive™ seals. The foam is placed inside a lip seal that is not normally in contact with the shaft. The hydrogel particles absorb water during a flooding event, and, as the particles swell, the foam pushes the lip seal into contact with the shaft - creating a water tight seal. In summary, under normal operating conditions, no part of the seal is in contact with the shaft - allowing for unlimited shaft rotation speed without any seal wear. During a flooding event, the engaged lip seal still allows the shaft to rotate, allowing the stricken ship to reach a safe haven. Operational Need Watertight bulkheads are a key safety feature for any ship. Sealing around pump, propulsion or any other spinning shaft as they penetrate these interior bulkheads is challenging. Most of the products available either rotate with the shaft or are constantly in contact with the shaft.