513 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS EXTRUSION GAPS Pressure MPa Radial gap F/2 10 MPa 0.50 25 MPa 0.50 35 MPa 0.40 40 MPa 0.30 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 5.00 0.20 0.70 2.50 7.50 0.20 1.20 5.00 11.50 0.20 1.80 8.00 14.00 0.20 2.50 10.00 DESCRIPTION The BECA 513 profile is a high- performing, double acting compact piston seal composed of a dynamic polyurethane friction ring, flexible pre-tightened NBR ring and two POM back-up rings. ADVANTAGES Very good sealing effect Increase in possible extrusion gaps Excellent extrusion resistance even during pressure peaks Excellent abrasion resistance Assembled by deformation APPLICATIONS Mobile hydraulics Hydraulic cylinders MATERIALS Profiled seal NBR 80 Shore A Friction ring PU 93 Shore A - Blue PU 96 Shore A - Blue High temp. PU 96 Shore A - Beige Back-up rings Polyoxymethylene - POM TECHNICAL DATA Temperature -30°C / +100°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. PISTON SEALS BECA 513 HYDRAULIC SEALS | PISTON SEALS | BECA 513
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 DIMENSIONS Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Seal height Groove width L1 0/+0.20 Part number Bore diameter ØD1 H9 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 513