580 FRANCEJOINT | Alldatasheet
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Technical content
QUALITY & EXPERTISE FOR YOUR SEALING NEEDS DESCRIPTION The BECA 580 - 581 profiles are U-ring type piston seals with offset rubber lips. ADVANTAGES Very good sealing at low pressures Excellent wear resistance Wide temperature range, depending on the material chosen Reduced size Closed groove assembly APPLICATIONS Material handling - Lifting Presses Hydraulic cylinders MATERIALS NBR 75 Shore A 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. EXTRUSION GAPS Pressure MPa Radial gap F/2 1.0 MPa 0.25 1.5 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 PISTON SEALS BECA 580-581 HYDRAULIC SEALS | PISTON SEALS | BECA 580 - 581
www.francejoint.com ØD1 SØd1 20/30° C F_2 ØA ØD1 SØd1 C F_2 20/30° DIMENSIONS Part number Bore diameter ØD1 H10 Groove diameter Ød1 f9 Seal height Groove width L1 0/+0.25 Part number Bore diameter ØD1 H10 Groove diameter Ød1 f9 Seal height Groove width L1 0/+0.25 HYDRAULIC SEALS | PISTON SEALS | BECA 580 - 581
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 H10 Groove diameter Ød1 f9 Seal height Groove width L1 0/+0.25 Part number Bore diameter ØD1 H10 Groove diameter Ød1 f9 Seal height Groove width L1 0/+0.25 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 580 - 581