560 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS EXTRUSION GAPS Pressure MPa Radial gap F/2 25 MPa 0.30 35 MPa 0.20 40 MPa 0.15 SURFACE ROUGHNESS Roughness Dynamic surface area Static surface area Groove flanks Ra 0.1 - 0.4 µm ≤1.6 µm ≤3.2 µm Rz 0.63 - 2.5 µm ≤6.3 µm ≤10.0 µm Rmax 1.0 - 4.0 µm ≤10.0 µm ≤16.0 µm CHAMFERS AND RADIUS Radial section S Radius Chamfer C 8.00 0.20 5.00 10.00 0.30 6.00 DESCRIPTION The BECA 560 profile is a high- performing, double acting compact piston seal composed of a flexible rubber ring and two POM back-up rings as standard. ADVANTAGES Good sealing effect Excellent extrusion resistance Excellent wear resistance Reliable sealing for significant and sudden pressure variations Assembled by deformation APPLICATIONS Agriculture Mobile machinery Hydraulic cylinders MATERIALS Flexible ring NBR 80 Shore A FKM 80 Shore A Back-up rings Polyoxymethylene (POM) Bronze-filled PTFE Other grades of materials are available. Please contact our experts. TECHNICAL DATA Temperature -30°C / +200°C Pressure 40 MPa Speed 0.5 m/sec Media Mineral hydraulic oils Fire-resistant liquids Biocompatible fluids Water Others (contact our experts) The figures above indicate the maximum values and may not be cumulated. They may be developed, depending on the materials used. PISTON SEALS BECA 560 HYDRAULIC SEALS | PISTON SEALS | BECA 560
FRANCE JOINT SAS Zone Artisanale Le Mortier - B.P . 50009 - Cugand - 85613 Montaigu Cedex - France Ph. +33 (0)2 51 42 13 76 - Fax +33 (0)2 51 43 61 14 - Email: contact@francejoint.fr - Website: www.francejoint.com ØD1 SØd1 20/30° C F_2 R2 max = 0,2 DIMENSIONS Part number Bore diameter ØD1 H11 Groove diameter Ød1 h9 Seal height Groove width L1 0/+0.20 Part number Bore diameter ØD1 H11 Groove diameter Ød1 h9 Seal height Groove width L1 0/+0.20 The figures highlighted in bold correspond to the bore diameters that are recommended by standard ISO 3320. Other intermediate sizes can be provided. HYDRAULIC SEALS | PISTON SEALS | BECA 560