172M FRANCEJOINT | Alldatasheet

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DESCRIPTION The BECA 172M profile is a double acting composite rod seal composed of a filled PTFE friction ring with oil passages and a flexible pre-tightened rubber ring. It meets the standards MIL-G-5514F and AS4716. ADVANTAGES Low friction coefficient Excellent abrasion and extrusion resistance Suitable for a reduced size Housing in line with MIL-G-5514F APPLICATIONS Actuators Brakes systems Flight controls Engine systems Landing gear MATERIALS Friction ring Bronze-filled PTFE Carbon-filled PTFE Blue GL PTFE Profiled seal NBR 70 Shore A FKM 70 Shore A ROD SEALS BECA 172M | TECHNICAL DATA Temperature -40°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. | 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 172M

| GROOVE WIDTHS AND EXTRUSION GAPS Series Groove width Extrusion gaps FL1 min - max L2 min - max L3 min - max | TOLERANCES ON THE ROD DIAMETERS AND GROOVE DIAMETERS Series Tolerance on rod diameter Ød1 Tolerance on groove diameter ØD1 ØD1 L1/L2/L3 SØd1 20/30° C F_2 www.francejoint.com AEROSPACE SEALS | ROD SEALS | BECA 172M

| DIMENSIONS Part number Series Rod diameter Groove diameter Groove width AS4716 / MIL-G-5514 AS4716 MIL-G-5514 Ød1 ØD1 ØD1 L1 min L2 min L3 min www.francejoint.com AEROSPACE SEALS | ROD SEALS | BECA 172M

Rod diameter Groove diameter Groove width AS4716 / MIL-G-5514 AS4716 MIL-G-5514 Ød1 ØD1 ØD1 L1 min L2 min L3 min www.francejoint.com AEROSPACE SEALS | ROD SEALS | BECA 172M

Rod diameter Groove diameter Groove width AS4716 / MIL-G-5514 AS4716 MIL-G-5514 Ød1 ØD1 ØD1 L1 min L2 min L3 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 172M