156.333

156M FRANCEJOINT | Alldatasheet

Document overview

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Technical content

DESCRIPTION The BECA 156M profile is a single acting composite rod seal composed of a filled PTFE friction ring and a pre- tightened rubber O'Ring. It meets the standards MIL-G-5514F and AS4716. ADVANTAGES Low friction coefficient Suitable for a reduced size 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 Friction ring Bronze-filled PTFE Carbon-filled PTFE Blue GL PTFE O'Ring NBR 70 Shore A FKM 70 Shore A ROD SEALS BECA 156M | TECHNICAL DATA Temperature -40°C / +200°C Pressure 35 MPa Speed 5 m/s Media Mineral oil-based hydraulic fluids Fire retardant hydraulic fluids Bio oils Phosphate esters Water 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 156M

| GROOVE WIDTHS AND EXTRUSION GAPS Series Groove width Extrusion gaps F O'Ring cross-section Ød2L1 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 156M

| DIMENSIONS Part number Series Rod diameter Groove diameter Groove width O'Ring Series 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 156M

Rod diameter Groove diameter Groove width O'Ring Series 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 156M

Rod diameter Groove diameter Groove width O'Ring Series 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 156M