Double acting wiper/scraper AF-487 is used in hydraulic cylinders to wipe of the incoming piston rod clean for dirt ,water etc.
It is also minimises the thickness of the oil film on the outgoing piston rod. Various material combinations guarantees a high functional security and service life over the entire velocity range, and is also giving a low friction, manage high and low temperatures and lot of different fluids.
Two part composition consisting of wiper/scraper seal and O-ring.
A good wiper/scraper, because it also wipes away sticky media due to sharp lip and strong interference fit of the piston rod.
Very good internal wiper/scraper performance for removing oil film, that accumulates on the piston rod shall.
Outstanding shear strength characteristics, without stick slip effect.
Good wear resistance and long life.
Wide temperature range and chemical resistance depending on O-ring material.
Available for all piston rods diameters up to approx. 2500 mm.
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