O-Rings and Back-up Rings
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O-Rings and Back-up Rings

Together We Shape a Sustainable Future Trelleborg Sealing Solutions is one of the world’s leading developers, manufacturers and suppliers of precision seals, bearings and custom-molded polymer components. We collaborate closely with customers to develop unique, innovative solutions to tomorrow’s challenges. Utilizing our dedicated product design, material development and testing capabilities, we are a one-stop-shop providing the best in elastomer, silicone, thermoplastic, PTFE and composite technologies for applications in aerospace, automotive, general industrial and healthcare & medical...

31 B.1.2 Application parameters of elastomers 38 B.1.4 Special requirements - authorities and 49 B.2.2 Methods of installation and design 54 B.2.6 General technical data 55 B.2.7 Housing design and dimensions 63 C.1.1 Quality Specifications - Standard quality 74 C.1.4 Surface quality acceptance criteria 79 C.2.1 O-Ring dimensions in accordance with 100 C.2.2 O-Ring dimensions in accordance with 104 C.2.3 O-Ring dimensions in accordance with 110 C.2.4 O-Ring dimensions for metric thread with conical recess in accordance with ISO 6149 111 C.2.5 O-Ring dimensions for metallic tube connections...

O-RINGS AND BACK-UP RINGS ■ Contents 119 D.1 Isolast® (FFKM) O-Rings 119 D.2 FEP/PFA Encapsulated O-Rings 139 D.5 Fleximold™ O-Rings - large dimensions 140 D.6 Special oversized O-Rings 141 D.7 Round cord rings (butt vulcanized) 143 D.8 Extruded round cord 143 D.9 O-Ring surface finishing 153 H.1.1 Rectangular Back-up Ring types, uncut (BV) and cut (BH), material PTFE 161 H.1.2 Concave Back-up Ring types, uncut 169 H.1.3 Spiral Back-up Ring types (BP), material PTFE 177 H.2 Internal Sealing (Rod), Static and Dynamic Applications 177 H.2.1 Rectangular Back-up Ring types, uncut (BU) and cut...

Company Profile Company Profile Latest information available at www.trelleborg.com/seals ˙ Edition June 2024 TRELLEBORG SEALING SOLUTIONS ˙ 5

O-RINGS AND BACK-UP RINGS · Company Profile Welcome to Trelleborg Sealing Solutions SEALING TECHNOLOGY Trelleborg Sealing Solutions offers an outstandingly comprehensive sealing portfolio – a one-stop-shop providing the best in elastomer, silicone, thermoplastic, PTFE and composite technologies; solutions that feature in virtually every application conceivable within the aerospace, industrial and automotive industries. We are uniquely placed to offer a dedicated design and development service for sealing solutions; globally servicing, supporting and supplying customers through an unrivaled...

Company Profile A world leader in engineered polymer solutions Seal To seal is to fill a gap when joining two static or moving (dynamic) surfaces, thereby separating different media from each other. Protect To protect is to help the environment, people, infrastructure and other assets to manage the impact from natural and man-made forces. Damp To damp is to absorb energy, thereby reducing vibration and noise. Trelleborg Industrial Solutions is a leading supplier of polymer-based critical solutions in selected industrial application areas and infrastructure projects. Trelleborg Sealing...

O-RINGS AND BACK-UP RINGS · Company Profile Our Global Resources 55+ Customer Solution Centers Contact us Find out more about us and our global distributor network: www.trelleborg.com/seals/about-us 8 ˙ TRELLEBORG SEALING SOLUTIONS Latest information available at www.trelleborg.com/seals ˙ Edition June 2024

Company Profile More than More than proprietary material formulations ServicePLUS Centers North & South America Asia & other markets Latest information available at www.trelleborg.com/seals ˙ Edition June 2024 TRELLEBORG SEALING SOLUTIONS ˙ 9

O-RINGS AND BACK-UP RINGS · Company Profile Solutions & Capabilities, Brands & Materials Decades of experience designing and manufacturing polymer solutions to meet the changing needs of our customers, as well as the latest industry trends and regulations, has led Trelleborg Sealing Solutions to develop, manufacture and supply a range of unique materials and proprietary product designs, many of which have become industry standards. STANDARD PRODUCTS Linear Seals Bearings & Bushings O-Rings & Static Seals Rotary Seals CUSTOMIZED SOLUTIONS (MAKE-TO-PRINT, MAKE-TO-DESIGN) Engineered Molded...

Company Profile One-Stop-Shop for Sealing Solutions Scan the QR-Code or visit our website to find out more about our portfolio of solutions for industry-specific needs and applications. www.trelleborg.com/seals Latest information available at www.trelleborg.com/seals ˙ Edition June 2024 TRELLEBORG SEALING SOLUTIONS ˙ 11

O-RINGS AND BACK-UP RINGS · Company Profile Markets & Technologies Aerospace Automotive, Truck & Transportation Chemical Transport & Process Industries Construction & Mining Equipment Energy & Hydrogen Fluid Power Food & Beverage Healthcare & Medical Industrial Automation Manufacturing & Machine Tools Marine Equipment & Construction Material Handling Accelerating performance in your industry Scan the QR-Code or visit our website to find out more about our tailor-made solutions for your industry. www.trelleborg.com/seals 12 ˙ TRELLEBORG SEALING SOLUTIONS Latest information available at...

Company Profile Latest information available at www.trelleborg.com/seals ˙ Edition June 2024 TRELLEBORG SEALING SOLUTIONS ˙ 13

O-RINGS AND BACK-UP RINGS · Company Profile Films & Animations SEEING IS BELIEVING Complex sealing configurations can feature a large number of sealing elements. Trying to illustrate these on a 2-D page is difficult and can never properly show their function or characteristics. Trelleborg Sealing Solutions uses the latest graphic technologies to produce 3-D animations of applications and typical sealing solutions for them. YouTube.com/ trelleborgseals www.trelleborg.com/ seals/films Films and Animations online A range of films specific to different industries and products are available to...