579 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS DESCRIPTION The BECA 579 profile is a high- performing, double acting compact piston seal composed of a flexible rubber ring, two polyurethane back- up rings and two POM wear rings. ADVANTAGES Good sealing effect Excellent extrusion resistance Excellent wear resistance Reliable sealing for significant and sudden pressure variations Assembly in closed groove, reduced machining costs APPLICATIONS Agriculture Mobile machinery Hydraulic cylinders MATERIALS Profiled seal NBR 80 Shore A Back-up rings Polyurethane 97 Shore A Wear rings Polyoxymethylene - POM TECHNICAL DATA Temperature -30°C / +100°C Pressure 50 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 4.00 0.40 0.40 2.50 5.00 0.40 0.40 3.00 6.00 0.40 0.40 3.00 7.50 0.40 0.40 4.00 8.50 0.40 0.40 5.00 10.00 0.80 0.80 6.00 15.00 0.80 0.80 8.00 PISTON SEALS BECA 579 HYDRAULIC SEALS | PISTON SEALS | BECA 579
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 Groove width L1 0/+0.20 579.0020AK8 20.00 11.00 13.50 579.0032AK8 32.00 22.00 15.50 579.1032AK8 32.00 22.00 16.40 579.0035AK8 35.00 25.00 15.50 579.1035AK8 35.00 25.00 16.40 579.0040AK8 40.00 24.00 18.40 579.4040AK8 40.00 26.00 15.50 579.2040AK8 40.00 30.00 12.50 579.3040AK8 40.00 30.00 12.50 579.1040AK8 40.00 30.00 16.40 579.0042AK8 42.00 28.00 15.50 579.0022AK8 22.00 13.00 13.50 579.0045AK8 45.00 29.00 18.40 579.1045AK8 45.00 31.00 15.50 579.2045AK8 45.00 35.00 16.40 579.0050AK8 50.00 34.00 18.40 579.1050AK8 50.00 34.00 20.50 579.0055AK8 55.00 39.00 18.40 579.1055AK8 55.00 39.00 20.50 579.0056AK8 56.00 40.00 20.50 579.0060AK8 60.00 44.00 18.40 579.1060AK8 60.00 44.00 20.50 579.0025AK8 25.00 15.00 12.00 579.0063AK8 63.00 47.00 18.40 579.1063AK8 63.00 47.00 19.40 579.2063AK8 63.00 47.00 20.50 579.0065AK8 65.00 49.00 20.50 579.1065AK8 65.00 50.00 18.40 579.0070AK8 70.00 50.00 22.40 579.1070AK8 70.00 54.00 20.50 579.0075AK8 75.00 55.00 22.40 579.1075AK8 75.00 59.00 20.50 579.0080AK8 80.00 60.00 22.40 579.2025AK8 25.00 15.00 12.50 579.1080AK8 80.00 62.00 22.50 579.0085AK8 85.00 65.00 22.40 579.0090AK8 90.00 70.00 22.40 579.1090AK8 90.00 72.00 22.50 579.0095AK8 95.00 75.00 22.40 579.0100AK8 100.00 75.00 22.40 579.1100AK8 100.00 82.00 22.50 579.0105AK8 105.00 80.00 22.40 579.0110AK8 110.00 85.00 22.40 579.1110AK8 110.00 92.00 22.50 579.1025AK8 25.00 15.00 16.40 579.0115AK8 115.00 90.00 22.40 Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Groove width L1 0/+0.20 579.1115AK8 115.00 97.00 22.50 579.0120AK8 120.00 95.00 22.40 579.0125AK8 125.00 100.00 25.40 579.1125AK8 125.00 103.00 26.50 579.0130AK8 130.00 105.00 25.40 579.1130AK8 130.00 105.00 25.40 579.0133AK8 133.00 115.00 22.40 579.0135AK8 135.00 110.00 25.40 579.1135AK8 135.00 110.00 25.40 579.3025AK8 25.00 16.00 13.50 579.0140AK8 140.00 115.00 25.40 579.1140AK8 140.00 115.00 25.40 579.2140AK8 140.00 118.00 26.50 579.0145AK8 145.00 120.00 25.40 579.1145AK8 145.00 120.00 25.40 579.0150AK8 150.00 125.00 25.40 579.1150AK8 150.00 128.00 26.50 579.0152AK8 152.40 127.00 31.75 579.0155AK8 155.00 130.00 25.40 579.1155AK8 155.00 130.00 25.40 579.0028AK8 28.00 19.00 13.50 579.0160AK8 160.00 130.00 25.40 579.1160AK8 160.00 130.00 25.40 579.2160AK8 160.00 135.00 25.40 579.3160AK8 160.00 138.00 26.50 579.0165AK8 165.00 140.00 25.40 579.0170AK8 170.00 145.00 25.40 579.1170AK8 170.00 148.00 26.50 579.0175AK8 175.00 150.00 25.40 579.0180AK8 180.00 150.00 35.40 579.1180AK8 180.00 155.00 25.40 579.0030AK8 30.00 17.00 15.40 579.0185AK8 185.00 160.00 25.40 579.0190AK8 190.00 165.00 25.40 579.0195AK8 195.00 170.00 25.40 579.0200AK8 200.00 175.00 25.40 579.1200AK8 200.00 175.00 31.50 579.0210AK8 210.00 185.00 25.40 579.0220AK8 220.00 190.00 35.40 579.1220AK8 220.00 195.00 25.40 579.0230AK8 230.00 205.00 25.40 579.0240AK8 240.00 215.00 25.40 579.1030AK8 30.00 21.00 13.50 579.0250AK8 250.00 220.00 35.40 579.1250AK8 250.00 225.00 25.40 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 579