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This patent describes a tandem radial shaft seal that is specifically designed for automotive cooling systems. A partial vacuum may be applied to the system for leak testing and then filling. This can cause a conventional lip seal to vent air inwards. This seal has a support ring on the atmospheric
stresses associated with the increased preload, the bolts need to be monitored and replaced, if necessary, during each maintenance operation.
A technique for sub-sea intervention operations using a retrievable dynamic seal assembly is described. The dynamic seal can be used to accommodate the movement of a for example, a wireline, slickline, coiled tubing or coiled rod. The seal is selected to suit the individual application and no specif
A sealing system for a vibratory screening machine is described. The machines may be used for either separating dry particles of different sizes or separating solids from a liquid. The seal is to overcome problems of screen wear and noise plus leakage of product. The frames of the screens are fitted