550 FRANCEJOINT | Alldatasheet

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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS  EXTRUSION GAPS Radial section S Radial gap F/2

2 MPa 10 MPa 20 MPa 35 MPa

 SURFACE ROUGHNESS Roughness Dynamic surface area Static surface area Groove flanks Ra 0.05 - 0.2 µm ≤1.6 µm ≤3.2 µm Rz 0.4 - 1.6 µm ≤6.3 µm ≤10.0 µm Rmax 0.63 - 2.5 µm ≤10.0 µm ≤16.0 µm  CHAMFERS AND RADIUS Radial section S Radius Radius Chamfer C 1.45 0.30 0.40 2.00 2.25 0.30 0.40 2.00 3.10 0.30 0.60 3.00 4.70 0.30 0.80 3.00 6.10 0.30 0.80 5.00 7.50 0.30 1.00 6.00 DESCRIPTION The BECA 550-559 profiles are double acting composite piston seals composed of a filled PTFE friction ring and pre-tightened rubber O'Ring. They can be mounted in the grooves of the O'Rings. Option of connecting the seal to 1 or 2 back-up rings. ADVANTAGES Suitable for a reduced size Low friction coefficient; no stick-slip effect Excellent extrusion and wear resistance Wide temperature range and excellent chemical resistance, depending on the material selected for the O'Ring APPLICATIONS Machine tools Lifting systems Valves MATERIALS Friction ring Bronze-filled PTFE Carbon-filled PTFE Blue GL PTFE O'Ring NBR 70 Shore A FKM 70 Shore A Other grades of materials are available. Please refer to the materials table on the next page.  TECHNICAL DATA Temperature -30°C / +200°C Pressure 35 MPa Speed 5 m/s 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. PISTON SEALS BECA 550-559 HYDRAULIC SEALS | PISTON SEALS | BECA 550 - 559

www.francejoint.com  TABLE MATERIALS Friction ring O'Ring Mating surface materialStandard code ISO code Material Colour Characteristics Code Type of material Service temperature DP P Virgin PTFE White Resistance to chemical products Impermeability Dielectric Non-stick Low friction coefficient Food industry K6 NBR 70 Shore A -30°C/+100°C Steel Stainless steel Chrome steel Aluminium Bronze Cast iron Treated surface G6 FKM 70 Shore A -20°C/+200°C C6 EPDM 70 Shore A -45°C/+150°C F6 VMQ 70 Shore A -60°C/+200°C DC C PTFE + 25% Carbon Grey Improvements

  • Wear properties
  • Compression set Good resistance to chemical products Thermal and electrical conductivity Anti-static High-performing in compression-based dynamic applications K6 NBR 70 Shore A -30°C/+100°C G6 FKM 70 Shore A -20°C/+200°C C6 EPDM 70 Shore A -45°C/+150°C CG C PTFE + 23% Carbon + 2% Graphite Black K6 NBR 70 Shore A -30°C/+100°C G6 FKM 70 Shore A -20°C/+200°C C6 EPDM 70 Shore A -45°C/+150°C DV V PTFE + 25 % Glass Blue Improvements
  • Wear properties
  • Mechanical strength Slightly more abrasive, however, this is corrected by adding MOS2 Maintains its chemical and dielectric properties Well-suited to applications with rotational and simultaneous alternating movements K6 NBR 70 Shore A -30°C/+100°C Steel Chrome steel Cast iron G6 FKM 70 Shore A -20°C/+200°C VM M PTFE + 15 % Glass + 5% MOS2 Grey K6 NBR 70 Shore A -30°C/+100°C G6 FKM 70 Shore A -20°C/+200°C DX X PTFE GL Blue + Glass + Metal oxides Turquoise blue Resistance to compression Resistance to wear Excellent chemical stability Good thermal conductivity K6 NBR 70 Shore A -30°C/+100°C G6 FKM 70 Shore A -20°C/+200°C DG G PTFE + 15% Graphite Black Improvements
  • Wear properties Reduced wear on metal parts Self-lubricating Thermal and electrical conductivity Low permeability Good friction coefficient Anti-static High performing in dynamic self-lubricating

applications

K6 NBR 70 Shore A -30°C/+100°C Steel Stainless steel Chrome steel Aluminium Bronze Cast iron Treated surface G6 FKM 70 Shore A -20°C/+200°C C6 EPDM 70 Shore A -45°C/+150°C K1 K PTFE + 10% Ekonol Light brown Improvements

  • Better abrasion resistance
  • Better dimensional stability at high temperatures Use up to +300°C Good friction coefficient and low permeability K6 NBR 70 Shore A -30°C/+100°C G6 FKM 70 Shore A -20°C/+200°C C6 EPDM 70 Shore A -45°C/+150°C K2 K PTFE + 20% Ekonol Light brown K6 NBR 70 Shore A -30°C/+100°C G6 FKM 70 Shore A -20°C/+200°C C6 EPDM 70 Shore A -45°C/+150°C DB B PTFE + 60% Bronze Dark brown Improvements
  • Wear properties
  • Warping resistance and creep strength
  • Compression resistance Self-lubricating Electrical and thermal conductivity Does not alter the metal parts Reduced hold with certain chemical products Used for high-compression dynamic seals and has a low level of wear K6 NBR 70 Shore A -30°C/+100°C Steel Chrome steel Cast iron G6 FKM 70 Shore A -20°C/+200°C B4 B PTFE + 40% Bronze Dark brown K6 NBR 70 Shore A -30°C/+100°C G6 FKM 70 Shore A -20°C/+200°C HG HG PE-UHMW White or off-white Excellent wear resistance on contact with water and air K6 NBR 70 Shore A -30°C/+80°C Steel Stainless steel Chrome steel Aluminium Bronze Cast iron Treated surface Other grades of materials are available depending on your specificities. HYDRAULIC SEALS | PISTON SEALS | BECA 550 - 559

www.francejoint.com ØD1 SØd1 20/30° C F_2 Ød2  INSTALLATION DIMENSIONS Bore diameter ØD1 H9 Groove diameter Groove width Radial section O’Ring cross-section BECA 550 Standard range BECA 559 Extended range Ød1 h9 L1 0/+0.20 S Ød2 * The codes that define the materials are set out in the materials table on the previous page.  EXAMPLE OF CODIFICATION STANDARD CODIFICATION Materials ________ : Friction ring, PTFE + 60% Bronze - Code DB Bore diameter ____ : ØD1 = 50.00 mm Groove diameter __ : Ød1 + 40.60 mm Part number ______: 550. 050DBK6 Family Bore diameter Friction ring material* O'Ring material* 550. 050 DB K6Part number - HYDRAULIC SEALS | PISTON SEALS | BECA 550 - 559

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  DIMENSIONS Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Groove width L1 0/+0.20 550.008 8.00 5.10 2.40 550.022 22.00 17.50 3.60 550.025 25.00 18.80 4.80 550.028 28.00 21.80 4.80 550.030 30.00 23.80 4.80 550.032 32.00 25.80 4.80 550.035 35.00 28.80 4.80 550.038 38.00 28.60 7.10 550.040 40.00 33.80 4.80 550.042 42.00 35.80 4.80 550.045 45.00 38.80 4.80 550.009 9.00 6.10 2.40 550.048 48.00 38.60 7.10 550.050 50.00 40.60 7.10 550.052 52.00 42.60 7.10 550.055 55.00 45.60 7.10 550.058 58.00 48.60 7.10 550.060 60.00 50.60 7.10 550.062 62.00 52.60 7.10 550.063 63.00 53.60 7.10 550.065 65.00 55.60 7.10 550.070 70.00 60.60 7.10 550.010 10.00 7.10 2.40 550.072 72.00 62.60 7.10 550.075 75.00 65.60 7.10 550.078 78.00 68.60 7.10 550.080 80.00 70.60 7.10 550.082 82.00 72.60 7.10 550.085 85.00 75.60 7.10 550.090 90.00 80.60 7.10 550.095 95.00 85.60 7.10 550.100 100.00 90.60 7.10 550.105 105.00 95.60 7.10 550.012 12.00 9.10 2.40 550.110 110.00 100.60 7.10 550.115 115.00 105.60 7.10 550.120 120.00 110.60 7.10 550.125 125.00 112.80 9.50 550.130 130.00 117.80 9.50 550.135 135.00 122.80 9.50 550.140 140.00 127.80 9.50 550.150 150.00 137.80 9.50 550.155 155.00 142.80 9.50 Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Groove width L1 0/+0.20 550.014 14.00 9.50 3.60 550.160 160.00 147.80 9.50 550.165 165.00 152.80 9.50 550.170 170.00 157.80 9.50 550.175 175.00 162.80 9.50 550.180 180.00 167.80 9.50 550.190 190.00 177.80 9.50 550.200 200.00 187.80 9.50 550.210 210.00 197.80 9.50 550.220 220.00 207.80 9.50 550.015 15.00 10.50 3.60 550.240 240.00 227.80 9.50 550.250 250.00 237.80 9.50 550.260 260.00 247.80 9.50 550.270 270.00 257.80 9.50 550.280 280.00 267.80 9.50 550.290 290.00 277.80 9.50 550.300 300.00 287.80 9.50 550.320 320.00 307.80 9.50 550.330 330.00 317.80 9.50 550.016 16.00 11.50 3.60 550.340 340.00 327.80 9.50 550.350 350.00 337.80 9.50 550.360 360.00 347.80 9.50 550.370 370.00 357.80 9.50 550.380 380.00 367.80 9.50 550.390 390.00 377.80 9.50 550.410 410.00 397.80 9.50 550.420 420.00 407.80 9.50 550.430 430.00 417.80 9.50 550.018 18.00 13.50 3.60 550.440 440.00 427.80 9.50 550.450 450.00 437.80 9.50 550.460 460.00 447.80 9.50 550.470 470.00 457.80 9.50 550.480 480.00 467.80 9.50 550.490 490.00 477.80 9.50 550.500 500.00 487.80 9.50 550.020 20.00 15.50 3.60 550.145 145.00 132.80 9.50 550.230 230.00 217.80 9.50 550.310 310.00 297.80 9.50 550.400 400.00 387.80 9.50 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 550 - 559