336 FRANCEJOINT | Alldatasheet
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Technical content
QUALITY & EXPERTISE FOR YOUR SEALING NEEDS DESCRIPTION The BECA 336 profile is a U-ring type single acting piston seal with offset polyurethane lips. ADVANTAGES Optimised sealing effect at both high and low pressures Excellent abrasion and wear resistance Assembly by deformation in closed groove APPLICATIONS Mobile hydraulics Injection presses Machine tools Presses Hydraulic cylinders MATERIALS Profiled seal PU 93 Shore A - Blue PU 96 Shore A - Blue High temp. PU 96 Shore A - Beige Other grades of materials are available. Please contact our experts. TECHNICAL DATA Temperature -30°C / +110°C Pressure 40 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. EXTRUSION GAPS Bore diameter ØD1 Radial extrusion gap F/2 ≤ 5 MPa ≤ 10 MPa ≤ 20 MPa ≤ 30 MPa ≤ 40 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 0.20 0.40 2.00 4.00 0.20 0.40 2.50 5.00 0.40 0.60 3.00 7.50 0.80 1.00 4.00 10.00 0.80 1.00 5.00 PISTON SEALS BECA 336 HYDRAULIC SEALS | PISTON SEALS | BECA 336
www.francejoint.com 20/30° CR1 Ød1 ØD1 F_2 S DIMENSIONS Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Seal height Groove width L1 0/+0.5 Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Seal height Groove width L1 0/+0.5 HYDRAULIC SEALS | PISTON SEALS | BECA 336
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 Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Seal height Groove width L1 0/+0.5 Part number Bore diameter ØD1 H9 Groove diameter Ød1 h9 Seal height Groove width L1 0/+0.5 The figures highlighted in bold correspond to the dimensions for standard ISO 5597, with the bore diameters in line with standard ISO 3320. Other intermediate sizes can be provided. HYDRAULIC SEALS | PISTON SEALS | BECA 336