300 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS || EXTRUSION GAPS Pressure MPa Radial gap F/2 15 MPa 0.30 20 MPa 0.25 25 MPa 0.20 27.5 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 Radius Chamfer C 3.50 0.20 0.40 2.00 4.00 0.30 0.50 2.00 5.00 0.40 0.60 2.50 7.50 0.80 1.00 4.00 |DESCRIPTION The BECA 300 profile is a single acting compo-compact rod seal composed of a profiled rubber seal and a filled PTFE or POM back-up ring on the back depending on the type of application. |ADVANTAGES Optimised sealing effect Good chemical compatibility, depending on the material chosen Excellent wear resistance Excellent extrusion resistance |APPLICATIONS Mobile hydraulics Material handling - Lifting Presses Hydraulic cylinders |MATERIALS Profiled seal NBR 80 Shore A FKM 80 Shore A Back-up ring Polyoxymethylene - POM Bronze-filled PTFE Other grades of materials are available. Please contact our experts. || TECHNICAL DATA Temperature -30°C / +200°C Pressure 27.5 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. ROD SEALS BECA 300 HYDRAULIC SEALS | ROD SEALS | BECA 300
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 Rod diameter Ød1 f8 Groove diameter ØD1 H10 Seal height Groove width L1 0/+0.25 Part number Rod diameter Ød1 f8 Groove diameter ØD1 H10 Seal height Groove width L1 0/+0.25 The figures highlighted in bold correspond to the rod diameters that are recommended by standard ISO 3320. Other intermediate sizes can be provided. HYDRAULIC SEALS | ROD SEALS | BECA 300