572 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS DESCRIPTION The BECA 572 profile is a high- performing, single acting compact piston seal composed of a stop joint, POM wear/back-up ring and profiled polyurethane seal. ADVANTAGES Excellent wear resistance Excellent extrusion resistance Excellent resistance to high pressures APPLICATIONS Agriculture Mobile machinery Hydraulic cylinders MATERIALS Profiled seal PU 93 Shore A - Blue PU 96 Shore A - Blue High temp. PU 96 Shore A - Beige Wear/back-up rings Polyoxymethylene - POM Retaining ring Polyoxymethylene - POM Other grades of materials are available. Please contact our experts. TECHNICAL DATA Temperature -30°C / +110°C Pressure 40 MPa Speed 0.5 m/sec Media Mineral hydraulic oils The figures above indicate the maximum values and may not be cumulated. They may be developed, depending on the materials used. 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 Chamfer C 6.00 0.20 0.20 3.00 7.50 0.20 0.20 4.00 10.00 0.30 0.30 5.00 PISTON SEALS BECA 572 HYDRAULIC SEALS | PISTON SEALS | BECA 572
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 L4 L2 20/30° F_2 C ØD Ød1 Ød2 Ød S Ød3 DIMENSIONS Part number Bore diameter ØD1 H11 Groove dimensions +0.10/+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 572