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Back up rings
Piston seals Guide rings O-rings
Rod seals Rotor seals
Wipers Flat seals
Back up rings Custom-made devices

Back up rings are mainly used for groove rings and O-rings in hydraulic machines with high pressure so that the seal is not able to penetrate into the gap measure.

A back up ring does not seal but it raises the lifetime of a seal.
Stützring Stützring Stützring Stützring Stützring Stützring
DST 108
Back up ring flat		 DST 109
Back up ring contoured		 DST 110
Angled back up ring
(outer, rod)
 DST 111
Angled back up ring
(inner, piston)
 DST 112
Triangle back up ring
inner
 DST 113
Triangle back up ring
outer
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Hydraulik und Pneumatik
 
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   D-29451 Dannenberg/Riskau
  
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Fax +49-5861/983718
E-Mail info@elbe-dichtungen.de