385 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS || EXTRUSION GAPS Pressure MPa Radial gap F/2 1.0 MPa 0.25 1.2 MPa 0.20 6.5 MPa 0.10 8.0 MPa 0.05 || 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 3.00 0.30 0.50 2.00 4.00 0.30 0.50 2.00 5.00 0.40 0.60 2.50 6.00 0.50 0.70 3.00 7.50 0.80 1.00 4.00 10.00 0.80 1.00 5.00 |DESCRIPTION The BECA 385 profile is a U-ring type single acting rod seal with asymmetrical rubber lips for low-pressure applications. |ADVANTAGES Very good sealing at low pressures Excellent wear resistance Reduced size |APPLICATIONS Material handling - Lifting Presses Hydraulic cylinders |MATERIALS NBR 80 Shore A FKM 80 Shore A Other grades of materials are available. Please contact our experts. || TECHNICAL DATA Temperature -30°C / +200°C Pressure 8 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 385 HYDRAULIC SEALS | ROD SEALS | BECA 385
www.francejoint.com || DIMENSIONS Part number Rod diameter Ød1 f8 Groove diameter ØD1 H8 Seal height Groove width L1 0/+0.25 Part number Rod diameter Ød1 f8 Groove diameter ØD1 H8 Seal height Groove width L1 0/+0.25 ØD1 SØd1 20/30° C F_2 HYDRAULIC SEALS | ROD SEALS | BECA 385
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 Rod diameter Ød1 f8 Groove diameter ØD1 H8 Seal height Groove width L1 0/+0.25 Part number Rod diameter Ød1 f8 Groove diameter ØD1 H8 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 385