(26.85 € Excluding VAT. VAT at the legal rate applies.)
Double-acting piston seal with anti-extrusion rings and guides, for cylinders up to 400 bar.
The DBM is a multi-part double-acting piston seal, fitted on a one-piece piston. In the centre it has an NBR rubber ring with three sealing edges; some oil sits between them, which reduces friction and wear. On each side it has an anti-extrusion ring, which also stops the rubber from rotating, and a guide ring, which centres the piston in the barrel and takes the side loads.
It seals well even at low pressure and copes well with high temperature.
Sizes are in the list (bore × groove diameter × width / height). In the Aston Seal datasheet this profile is called KGD.
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