The cuff is the main element of the contact sealing device of the cuff type of an annular shape made of elastic material, which prevents the flow of working fluid or gas from the high pressure area to the low pressure area, and also protects the parts from dirt and dust. They are used to seal shafts in mechanical drives, piston pumps, hydraulic presses, pistons and rods of hydraulic and pneumatic cylinders, etc.
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