115 FRANCEJOINT | Alldatasheet
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Technical content
DESCRIPTION
The BECA 115 profile is a self-centring BS ring composed of a metal ring with a rectangular cross-section, the inside of which has a bonded and vulcanised rubber ring with a trapezoidal cross- section. Self-centring is through a thin membrane, in which the inside diameter is equal to the central diameter of the threading (without the thread). ADVANTAGES Economic solution Precise positioning of the ring Can be disassembled and reused Reliable sealing at both high and low pressures Reduced assembly time APPLICATIONS Sealing under the screw heads and bolts General mechanics Motors Pipe fittings Valves MATERIALS Rubber NBR 70 and 90 Shore A FKM 70 and 90 Shore A EPDM 70 and 90 Shore A Metal insert Steel Stainless steel Other grades of materials are available. Please contact our experts. Temperature -45°C / +150°C Media Mineral hydraulic oils Water Water/oil emulsions gas Breaking resistance 540 MPa The figures above indicate the maximum values and may not be cumulated. They may be developed, depending on the materials used. SURFACE ROUGHNESS Roughness Contact surface area Ra ≤3.0 µm Rmax ≤15.0 µm QUALITY & EXPERTISE FOR YOUR SEALING NEEDS TECHNICAL DATA
D COUNTERBORE L Metric Counterbore ØL (mm) M3 at M8.5 ØA +0.20 M9 at M33 ØA +0.40 M34 at M60 ØA +0.60 TIGHTENING TORQUE The overlapping of the metal ring (T) must be at least 0.70 mm and the overlapping of the rubber ring (S) must be at least 75% (S ≥ 0,75 R). Dimensions Torque (Nm) Metric BSW BSP 1 ring 2 rings up to M8 5/16 - 5.3 8.5 M10 3/8 1/8 7.1 11.4 M11 7/16 - 11.8 15.3 M12 1/2 1/4 15.8 20.5 M14 9/16 - 22.6 29.4 M16 5/8 3/8 30.5 39.7 M18 3/4 - 40.7 52.9 M20 13/16 1/2 56.5 67.8 M22 7/8 5/8 67.8 74.6 M24 1.0 3/4 73.4 73.4 from M27 1.1/16 - 79.0 79.0 www.francejoint.com ØF
D DIMENSIONS Part number Standard BS ring dimensions Min. breaking pressure www.francejoint.com ØF
BS ring dimensions Min. breaking pressure 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