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The hydraulic rod seal can be used as a buffer seal in conjunction with a primary rod seal or in tandem with itself to form a sealing system for higher performance. This rod seals is a uni-directional seal, with a unique design that allows trapped fluid pressure back into the cylinder. When the rod extends from the cylinder the seal is riding on a sealing point, creating a high compression point to limit leakage. As the rod goes through its return stroke this seal rocks forward, creating a larger sealing surface on the rod. The compression force is spread out over a larger area allowing trapped fluid to pass under the seal and return to the system.
Application Range Pressure [MPa] 60 Temperature [° C] -45...+200 Sliding speed[m/s] 15 Medium: Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others.
Application Mobile hydraulics Standard cylinders Machine tools Injection moulding machines Presses
DEF Seal Solution has passed ISO certification