486 FRANCEJOINT | Alldatasheet

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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS DESCRIPTION The BECA 486 profile is a double acting composite wiper seal composed of a filled PTFE friction ring and two pre-tightened rubber O'Rings. ADVANTAGES Low friction coefficient; no stick-slip effect Wide temperature range and excellent chemical resistance, depending on the materials selected Excellent abrasion and wear resistance Very good wiping effect against external pollutions Suitable for large dimensions APPLICATIONS Steelworks Offshore Mine Hydraulic presses Water treatment MATERIALS Friction ring Bronze-filled PTFE Carbon-filled PTFE O'Rings 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 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.  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  RADIUS Radial section S Radius Radius 11.10 0.30 1.20 12.10 0.30 1.20 16.50 0.30 1.20 18.25 0.30 2.00  CHAMFER The chamfer length as well as the chamfer angle are determined by the rod seal.  DETERMINATION OF O'RING INSIDE DIAMETERS Radial section Ød1 O'Rings S Ød1.1 Ød1.2 11.10 Ød1 + 12.00 Ød1 + 5.00 12.10 Ød1 + 14.00 Ød1 + 5.00 16.50 Ød1 + 20.00 Ød1 + 6.00 18.25 Ød1 + 21.00 Ød1 + 6.00 We recommend consulting the dimensions in standard ISO 3601-1 that are closest to the value calculated. WIPER SEALS BECA 486 HYDRAULIC SEALS | WIPER SEALS | BECA 486

www.francejoint.com  TABLE MATERIALS Friction ring O'Rings 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 Other grades of materials are available depending on your specificities. HYDRAULIC SEALS | WIPER SEALS | BECA 486

www.francejoint.com Ød1 Ød2.1 Ød2.2 Drain L2 min ØD2 ØD1  INSTALLATION DIMENSIONS Rod diameter Ød1 f8/h9 Groove diameter Bore diameter Groove width Step width O’Ring cross-section O’Ring cross-section Standard range Extended range ØD1 H8 ØD2 H8 L1 0/+0.20 L2 +0/-0.10 Ød2.1 Ød2.2 * 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 Rod diameter _____: Ød1 = 150.00 mm Groove diameter __ : ØD1 = 172.20 mm Part number ______: 486.150DBK6 Family Rod diameter Friction ring material* O'Ring materials* 486. 150 DB K6Part number - HYDRAULIC SEALS | WIPER SEALS | BECA 486

 DIMENSIONS Part number Rod diameter Ød1 f8/h9 Groove diameter ØD1 H8 Bore diameter ØD2 H8 Seal height Groove width L1 0/+0.20 Step width L2 +0/-0.10 O'Ring Ød1.1 x Ød2.1 O'Ring Ød1.2 x Ød2.2 The figures highlighted in bold correspond to the rod diameters in line with standard ISO 3320. Other intermediate sizes can be provided. 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 HYDRAULIC SEALS | WIPER SEALS | BECA 486