312 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS || EXTRUSION GAPS Rod diameter Ød1 Radial gap F/2 ≤ 5 MPa ≤ 10 MPa ≤ 20 MPa ≤ 30 MPa ≤ 40 MPa ≤ 50 MPa || SURFACE ROUGHNESS Roughness Dynamic surface area Static surface area Groove flanks Ra 0.1 - 0.4 µm ≤1.6 µm ≤3.2 µm Rz 0.63 - 2.5 µm ≤6.3 µm ≤10.0 µm Rmax 1.0 - 4.0 µm ≤10.0 µm ≤16.0 µm || CHAMFERS AND RADIUS Radial section S Radius Radius Chamfer C 3.00 0.40 0.60 2.50 4.00 0.40 0.60 2.50 5.00 0.40 0.60 2.50 7.50 0.80 1.00 4.00 |DESCRIPTION The BECA 312 profile is a U-ring type single acting compact rod seal with matching lips and made of a very dense polyurethane body and a POM back-up ring on the back. |ADVANTAGES Good sealing at both high and low pressures Excellent abrasion resistance Excellent extrusion resistance |APPLICATIONS Mobile hydraulics Material handling - Lifting Presses Hydraulic cylinders |MATERIALS Profiled seal PU 93 Shore A - Blue PU 96 Shore A - Blue High temp. PU 96 Shore A - Beige Back-up ring Polyoxymethylene - POM Other grades of materials are available. Please contact our experts. || TECHNICAL DATA Temperature -30°C / +110°C Pressure 50 MPa Speed 0.5 m/sec Media Mineral hydraulic oils The figures above indicate the maximum values and may not be cumulated. They may be developed, depending on the materials used. ROD SEALS BECA 312 HYDRAULIC SEALS | ROD SEALS | BECA 312
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 ØD1 SØd1 20/30° C F_2 || DIMENSIONS Part number Rod diameter Ød1 f8 Groove diameter ØD1 H10 Seal height Groove width L1 0/+0.25 Part number Rod diameter Ød1 f8 Groove diameter ØD1 H10 Seal height Groove width L1 0/+0.25 The figures highlighted in bold correspond to the rod diameters that are recommended by standard ISO 3320. Other intermediate sizes can be provided. HYDRAULIC SEALS | ROD SEALS | BECA 312