K53 pneumatic cushioning the seal functions as a single acting sealing element designed to cushion the pneumatic cylinders in conclusion of the stroke with its special design. Advantages easy installation prevention of vacuum effect by the venting passages stable cushioning feature by self centering operating built for tough use conditions high impact resistancearea of application pneumatic cylinders recommended designed for application in cylinders according iso 6432, 21287. Top temperature, And sliding material maximum, Speed at bar pressure its peak in m/s pu9201nb9001 1612, 35/, 100, 30/, 105 1. 0