021 FRANCEJOINT | Alldatasheet

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DESCRIPTION The BECA 021 profile is a single acting composite rod seal composed of a profiled rubber seal and a filled PTFE or POM back-up ring. It meets the standards MIL-G-5514F and AS4716. ADVANTAGES Excellent extrusion resistance Good sealing effect in static applications Wide temperature range and excellent chemical resistance, depending on the materials selected Housing in line with MIL-G- 5514F and AS4716 APPLICATIONS Actuators Brakes systems Flight controls Engine systems Landing gear MATERIALS Profiled seal NBR 70 Shore A FKM 70 Shore A EPDM 70 Shore A VMQ 70 Shore A Back-up ring Polyoxymethylene - POM Filled PTFE ROD SEALS BECA 021 | TECHNICAL DATA Temperature -40°C / +200°C Pressure 35 MPa in static applications

21 MPa in dynamic applications

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 | CHAMFERS AND RADIUS Series Radius Chamfer CR1 min - max R2 min - max QUALITY & EXPERTISE FOR YOUR SEALING NEEDS AEROSPACE SEALS | ROD SEALS | BECA 021

| GROOVE WIDTHS AND EXTRUSION GAPS Series Groove width Extrusion gaps FL1 min - max L2 min - max | TOLERANCES ON THE ROD DIAMETERS AND GROOVE DIAMETERS Series Tolerance on rod diameter Ød1 Tolerance on groove diameter ØD1 ØD1 L1/L2 SØd1 20/30° C F_2 www.francejoint.com AEROSPACE SEALS | ROD SEALS | BECA 021

| DIMENSIONS Part number Range Rod diameter Groove diameter Groove width AS4716 / MIL-G-5514 AS4716 MIL-G-5514 0 BUR 1 BUR Ød1 ØD1 ØD1 L1 min L2 min www.francejoint.com AEROSPACE SEALS | ROD SEALS | BECA 021

Rod diameter Groove diameter Groove width AS4716 / MIL-G-5514 AS4716 MIL-G-5514 0 BUR 1 BUR Ød1 ØD1 ØD1 L1 min L2 min www.francejoint.com AEROSPACE SEALS | ROD SEALS | BECA 021

Rod diameter Groove diameter Groove width AS4716 / MIL-G-5514 AS4716 MIL-G-5514 0 BUR 1 BUR Ød1 ØD1 ØD1 L1 min L2 min 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 AEROSPACE SEALS | ROD SEALS | BECA 021