325 FRANCEJOINT | Alldatasheet
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QUALITY & EXPERTISE FOR YOUR SEALING NEEDS || EXTRUSION GAPS Pressure MPa Radial gap F/2 25 MPa 0.35 35 MPa 0.30 40 MPa 0.25 45 MPa 0.20 || 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 0.20 0.40 2.00 4.00 0.40 0.60 2.50 5.00 0.80 1.00 2.50 7.50 0.80 1.00 4.00 10.00 0.80 1.00 5.00 |DESCRIPTION The BECA 325 profile is a U-ring type single acting rod seal with matching lips, composed of a profiled polyurethane seal, a NBR O'Ring to preserve its elastic memory and a POM back-up ring on the back. It can be assembled in a groove according to standard ISO 5597. |ADVANTAGES Very good sealing at low pressures Elastic memory preserved using the O'Ring Excellent abrasion resistance Very good extrusion resistance |APPLICATIONS Agriculture Mobile machinery Lifting systems Injection presses Hydraulic cylinders |MATERIALS Profiled seal PU 93 Shore A - Blue PU 96 Shore A - Blue High temp. PU 96 Shore A - Beige O'Ring NBR 70 Shore A Back-up ring Polyoxymethylene - POM Other grades of materials are available. Please contact our experts. || TECHNICAL DATA Temperature -30°C / +100°C Pressure 45 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 325 HYDRAULIC SEALS | ROD SEALS | BECA 325
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 || 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 dimensions for standard ISO 5597, with the rod diameters in line with standard ISO 3320. Other intermediate sizes can be provided. ØD1 SØd1 20/30° C F_2 HYDRAULIC SEALS | ROD SEALS | BECA 325