The Parker prädifa PDF scraper rings have a AG Profile,  the task with dynamic rod guides with greater radial play the ingress of dust, dirt, grains of sand, and metal shavings to prevent. This is achieved through their special shape. You prevent largely the scoring, protect the guide parts, and extend the service life of the seals.

The scraper gives you a technical clean conclusion. Are for installation no special screw rings or holding plates necessary. It does not require tight fits and allows a perfect stripping on the rod,
even with possible center deviations »X« up to 1.5 mm, depending on the rod diameter.

Scope of application:

Operating temperature: -20 to + 100o C.
Gliding speed: S 4 m / s
For underground mining equipment, such as setting punches and the like, mobile hydraulics, and valve spindles, and telescopes.

Installation instructions:

The Parker Praedifa PDF scraper ring profile A6 can be installed in easy-to-install installation spaces by snap mounting.
No special holding plates or screw rings are necessary.

Compounds:

The standard material is a PDF special elastomer with a hardness of 92 Shore A.

In the case of special operating conditions (temperature, speed, etc.), please contact our Application Technology department, who will match the material and construction to your specific application.