PW rod wiper for hydraulic cylinders, in a wide range of sizes from a 4 mm rod upwards.
The PW is a rod wiper: it sits in the groove of the cylinder head, where the rod comes out, and its lip cleans off the dust, mud and dirt the rod carries as it retracts. That way dirt does not reach the rod seal or the guides, and the rod does not get scored.
The range has many sizes, from 4x12x3 upwards, given as rod × outside diameter × height. The same rod can have several outside diameters and heights, so choose by the housing size and not only by the rod.
Before ordering, measure the rod diameter, the groove bottom diameter and the groove width, or read the size on the wiper you are replacing.
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