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... 3P’s pistons rings, bands or back-up rings are used in lubricated or dry-running conditions, where wear rate, friction and sealing are the most important performances. The anti-extrusion rings are used in dynamic and static sealings, in hydraulic ...
... K81 back-up rings are sealing elements that are generally used behind the o-ring in order to ensure system security and minimize extrusion gaps in many applications. Advantages • Extrusion resistance in larger gap clearance • Easy installation • ...
... Description
The Back-up Ring BE features a closed profile with a concave groove. Its elastic behaviour and easy assembly make it suitable for a wide range of installations. The concave profile provides excellent support to O-rings under very ...
ULMAN Dichtungstechnik GmbH
... The anti-extrusion rings are used in dynamic and static sealings, for applications of rods or pistons. Their function is to reduce the seal creep(ring or four lobes) when the pressures and mechanical play is important. There are three standard profiles ...
... Reliably Prevent Gap Extrusion Back-up rings do not have a sealing function but are used to prevent gap extrusion. They can be used in combination with O-rings or X-rings, both for static and dynamic loads. Back-up rings prevent the seal from extruding ...
... Specification There are three basic types of PTFE back-up rings in use. They are single turn (scarf out), multi-turn(spiral cut), and solid (uncut) configurations. We have the ability to provide PTFE back-up ring for applications where ...
... Back-up rings are manufactured from extrusion resistant material as protection and support elements, normally with a rectangular cross-section. For static applications they are used together with an elastomer seal – usually an O-ring – placed in the ...
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