571 FRANCEJOINT | Alldatasheet

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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS  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 Radius Min. chamfer C 4.00 0.40 0.40 2.50 5.00 0.40 0.40 3.00 6.00 0.40 0.40 3.00 7.50 0.40 0.40 4.00 8.50 0.40 0.40 5.00 10.00 0.80 0.80 6.00 15.00 0.80 0.80 8.00 DESCRIPTION The BECA 571 profile is a high- performing, double acting compact piston seal composed of a soft rubber ring and a POM wear/ back-up ring as standard. ADVANTAGES Good sealing effect Excellent extrusion resistance Excellent wear resistance Reliable sealing for significant and sudden pressure variations APPLICATIONS Agriculture Mobile machinery Hydraulic cylinders MATERIALS Profiled seal NBR 80 Shore A FKM 80 Shore A Wear/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 571 HYDRAULIC SEALS | PISTON SEALS | BECA 571

www.francejoint.com ØD1 SØd1 20/30° C F_2 Ød3 Ød2 L1 L2L2   DIMENSIONS Part number Bore diameter ØD1 H11 Groove dimensions Ød1 h9 Ød2 h9 Ød3 h11 Ød4 h9 L1 0/+0.15 L2 0/+0.15 L3 HYDRAULIC SEALS | PISTON SEALS | BECA 571

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 Part number Bore diameter ØD1 H11 Groove dimensions Ød1 h9 Ød2 h9 Ød3 h11 Ød4 h9 L1 0/+0.15 L2 0/+0.15 L3 The figures highlighted in bold correspond to the dimensions for standard ISO 6547, with the bore diameters in line with standard ISO 3320. Other intermediate sizes can be provided. HYDRAULIC SEALS | PISTON SEALS | BECA 571