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O-Rings and Back-up Rings

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

Product catalog summary
Company Overview
Trelleborg Sealing Solutions is a global leader in precision seals, bearings, and custom-molded polymer components, serving sectors like aerospace, automotive, healthcare, and general industry. With over 70 years of experience, they offer a wide range of technologies including elastomer, silicone, thermoplastic, PTFE, and composites.
Quality and Standards
Trelleborg's facilities are ISO 9001 certified, ensuring compliance with environmental, health, and safety regulations. They focus on meeting customer specifications and maintaining high-quality standards.
Product Offerings
The catalog includes O-Rings and Back-up Rings, detailing materials, installation, design recommendations, and quality criteria. They offer a wide range of dimensions in line with international standards like ISO 3601-1 and AS568.
Engineering Tools and Applications
Trelleborg provides engineering tools to optimize sealing solutions, assisting in design, prototyping, production, testing, installation, and quality assurance.
ServicePLUS Program
This program enhances customer operations through technical collaboration, testing, quality assurance, advanced delivery, stock management, and surface technologies.
Global Presence
Trelleborg operates over 100 facilities worldwide, ensuring efficient delivery of over 40,000 sealing products globally.
Innovative Solutions
Committed to sustainability, Trelleborg develops materials and solutions that extend beyond functionality, setting industry standards.
Tailored Production Services
They offer customized packaging and labeling solutions, including custom tubing and machine-readable labeling for aftermarket care.
Online Tools and Apps
Trelleborg provides online tools and mobile apps for engineers, including the Sealing Solutions Configurator, Materials Search, and Chemical Compatibility Check.
Technical Information
Elastomers are key materials for seals, chosen for elasticity and chemical resistance. Trelleborg offers a variety of elastomer materials, with NBR being commonly supplied.
Elastomer Materials and Designations
Lists elastomer materials, trade names, and abbreviations according to ISO 1629 and ASTM D 1418 standards.
Application Parameters of Elastomers
Discusses how external factors affect elastomers, providing operating temperature ranges and resistance details.
Characteristics and Inspection of Elastomers
Outlines procedures for testing hardness and compression set, providing guidelines for measuring and interpreting results.
General Field of Application
Details applications and temperature ranges for various elastomers, highlighting their properties and typical industry uses.
Chemical Compatibility
Provides a guide for pre-selecting suitable material groups, advising users to conduct their own tests for specific applications.
Technical Document Summary
1. Measuring Deviations: Discusses measuring deviations in O-Ring cross sections and test equipment accuracy.
2. Special Requirements - Authorities and Approvals: Lists regulations and standards for seals, especially in food, water, and gas applications.
3. Standard Materials: Provides specifications for standard materials used in seals, detailing properties and temperature ranges.
4. Tables and Data: Includes tables summarizing legal requirements and institutional approvals for materials in contact with food, water, gas, and electrical equipment.
Specifications:
Details tensile strength and elongation at break according to EN ISO 527 standards.
Preferred Materials:
Lists preferred materials for O-Rings, detailing hardness, color, and operating temperature ranges.
Installation and Design Recommendations:
Based on ISO 3601-2 standards, includes key points for installation and design.
Methods of Installation:
Discusses radial and axial installation methods, emphasizing proper sizing and pressure considerations.
Elongation and Compression:
Provides guidelines for elongation and compression, emphasizing initial compression for sealing capability.
Rotary Seal Applications:
Recommendations for using O-Rings as rotary seals under specific conditions.
Initial Compression:
Discusses the importance of initial compression for sealing performance.
Technical Specifications and Guidelines for O-Rings
1. Compression and Load Values
Provides guiding values for the uniform load of compressed O-Rings.
2. Groove Fill Recommendations
Recommends groove fill not exceed 85% to accommodate thermal expansion and volume swell.
3. General Technical Data
Outlines key parameters for O-Rings, including working pressure, speed, temperature, and media compatibility.
4. Housing Design and Dimensions
Emphasizes proper housing design to prevent seal failure, providing specific dimensions and surface finish recommendations.
5. Installation and Housing Dimensions
Provides detailed housing dimensions for both metric and inch systems.
Technical Specifications:
Details specifications for O-Rings, including cross-section diameters and installation dimensions.
Quality Criteria:
Defines standard quality for O-Rings according to Trelleborg standards and ISO 3601-1.
Materials and Ordering:
Specifies materials for O-Rings, providing ordering examples for clarity.
Flatness and Roundness:
Discusses physical properties affecting O-Ring flatness and roundness.
Dimension Tolerances:
Details dimensional tolerances affected by material shrinkage during vulcanization.
Tables and Data:
Includes tables detailing tolerances for O-Ring cross-sections and inside diameters.
Overview: Provides detailed specifications and quality criteria for O-Rings, focusing on tolerances and surface quality standards.
Specifications: Outlines tolerances for O-Ring inside diameters in both metric and inch measurements.
Surface Quality Acceptance Criteria: Specifies surface quality acceptance criteria based on ISO 3601-3.
Standard Surface Specifications: Provides standard form and surface deviations for elastomeric O-Rings.
Key Recommendations: Highlights standard specifications for O-Rings and emphasizes limits on defects.
Overview: Outlines the TBS-00005 standard for O-Rings, focusing on form and surface deviations.
Specifications: Specifies maximum acceptable limits for various defects.
Quality Criteria: Outlines conditions for O-Ring surfaces, emphasizing freedom from imperfections.
Product Range: Summarizes available O-Ring dimensions and part numbers.
Ordering Information: Provides examples for ordering O-Rings, specifying type, dimensions, and material.
Standards and Tolerances: References ISO 3601-1 and AS568 standards for O-Ring dimensions.
Overview: Provides detailed specifications and information on Trelleborg's O-Rings, focusing on dimensions, tolerances, and material properties.
Specifications: Lists various O-Ring part numbers with specific measurements.
Special O-Rings: Highlights special O-Rings like FEP/PFA encapsulated O-Rings.
Applications and Market Segments: Details industries and applications for FEP/PFA encapsulated O-Rings.
Advantages: Lists advantages of FEP/PFA encapsulated O-Rings, including chemical resistance and temperature range.
Material Data: Provides information on hardness and temperature range of O-Rings.
Design Recommendations: Advises on using FEP/PFA encapsulated O-Rings in standard grooves.
Lead-in Chamfers for Shafts and Rods
Provides specifications for chamfer lengths to facilitate O-Ring installation.
Radial Clearance
Outlines recommended radial clearances to prevent O-Ring extrusion.
Surface Finish for Housing
Specifies maximum permissible roughness values for effective sealing.
Rectangular Groove Design
Advises on groove design for new housing, emphasizing straight groove flanks.
Initial Compression of FEP/PFA Encapsulated O-Rings
Provides recommended compression percentages for static and dynamic applications.
Compression Force
Discusses compression force requirements for hollow and solid core O-Rings.
Housing Dimensions and Tolerances
Provides detailed tables for housing dimensions and tolerances.
Assembly Recommendations
Provides assembly instructions for axial and radial sealing applications.
Standards and Tolerances
Details standards and tolerances for FEP/PFA Encapsulated O-Rings.
Overview: Provides detailed specifications and guidelines for various types of O-Rings, including PTFE and polyurethane O-Rings.
Specifications: Lists detailed dimensions for O-Rings, adhering to standards like ISO 3601 and AS568.
Materials and Advantages: Discusses PTFE and polyurethane O-Rings, highlighting their properties and applications.
Applications: Details industries and applications for PTFE and polyurethane O-Rings.
Installation Recommendations: Provides installation recommendations for PTFE and polyurethane O-Rings.
Ordering Examples: Provides examples for ordering O-Rings, specifying type, dimensions, and material.
Fleximold™ O-Rings - Large Dimensions
Introduces FlexiMold™ technology for manufacturing large O-Rings without dedicated tooling.
Features: Lists features of FlexiMold™ O-Rings, including infinite diameter capability and high quality.
Materials: Lists materials for FlexiMold™ O-Rings, compliant with various standards.
Dimensions: Recommended for O-Rings with inside diameters > 600 mm.
Special Oversized O-Rings
Offers oversized O-Rings with nearly unlimited diameters and a wide range of cross-sections.
Features: Lists features of oversized O-Rings, including no mold costs and short delivery time.
Materials: Lists materials for oversized O-Rings.
Dimensions: For inside diameters > 200 mm.
Round Cord Rings (Butt Vulcanized)
Produced by vulcanizing extruded round cords, suitable for diameters > 50 mm.
Materials: Lists materials for round cord rings.
Important Note: Advises on joint handling to prevent damage.
Extruded Round Cord
Available with specific tolerances according to DIN ISO 3302-1 class E2.
O-Ring Surface Finishing
Discusses surface modifications to enhance functionality and longevity.
Back-up Rings
Protective elements used with elastomeric sealing elements to prevent extrusion.
Advantages: Lists advantages of Back-up Rings, including use in high-pressure applications.
Types: Various types available for external and internal sealing.
Overview
Provides detailed technical information on Back-up Rings, focusing on types, materials, and installation recommendations.
Types of Back-up Rings
Lists types of Back-up Rings, including Type BG, BC, and BP.
Materials
Back-up Rings are typically made from virgin PTFE, with filled PTFE materials recommended for higher loads.
Technical Data
Provides technical data for static and dynamic applications, including speed and operating temperature.
Design Recommendations
Advises on Back-up Ring installation based on pressure application.
Installation Recommendations
Provides detailed installation dimensions and recommendations for various Back-up Ring types.
Conclusion
Serves as a comprehensive guide for selecting and installing Back-up Rings in sealing applications.
Overview: Provides detailed specifications and installation recommendations for Back-up Rings, focusing on spiral types made from PTFE.
Specifications: Lists dimensions for Back-up Rings, including bore diameter and groove dimensions.
Installation Recommendations: Provides guidelines for external sealing applications using spiral Back-up Ring types.
Tables and Figures: Includes tables and figures illustrating installation dimensions and drawings.
Ordering Information: Provides an example for ordering a Back-up Ring, detailing type and application.
Critical Information: Emphasizes the importance of selecting correct dimensions and material for optimal performance.
Overview: Provides detailed specifications and installation recommendations for Trelleborg's Back-up Rings, focusing on dynamic and static applications.
Specifications: Lists a comprehensive range of dimensions for Back-up Rings.
Installation Recommendations: Outlines guidelines for Back-up Rings in internal and external sealing applications.
Material and Application: Primarily made from PTFE, suitable for static and dynamic applications.
Key Tables and Figures: Includes tables detailing preferred series and installation dimensions.
Ordering Information: Provides an example for ordering Back-up Rings, specifying type and application.
Overview: Provides detailed specifications and installation recommendations for concave Back-up Rings, specifically types BB and BC.
Specifications: Lists dimensions for Back-up Rings, covering various rod diameters and groove dimensions.
Installation Recommendations: Includes guidelines for internal sealing applications using concave Back-up Rings.
Material and Application: Made from PTFE, with some variants filled with glass fiber.
Tables and Figures: Includes tables detailing installation dimensions for metric and inch systems.
Ordering Information: Provides an example for ordering Back-up Rings, including type and material code.
Conclusion: Serves as a comprehensive guide for selecting and installing concave Back-up Rings.
Specifications and Dimensions:
Provides a detailed table of dimensions for back-up rings, indicating further sizes available upon request.
General Quality Criteria:
Emphasizes quality criteria in seal and bearing production, with facilities certified to various standards.
Storage Guidelines:
Outlines guidelines for storing polymer products based on ISO 2230, including packaging, temperature, humidity, and light protection.
Inspection and Testing:
Visual inspections required before extending storage periods, checking for distortions and damage.
Company Overview:
Trelleborg Sealing Solutions is a leading developer and supplier of precision seals and polymer components, focusing on aerospace, automotive, and industrial markets.
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Catalog excerpts

O-Rings and Back-up Rings-1

O-Rings and Back-up Rings

 Open the catalog to page 1
O-Rings and Back-up Rings-2

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 industries....

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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 for...

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O-Rings and Back-up Rings-4

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 (BG),...

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O-Rings and Back-up Rings-5

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

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O-Rings and Back-up Rings-6

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 international...

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O-Rings and Back-up Rings-7

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 Solutions...

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O-Rings and Back-up Rings-8

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

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O-Rings and Back-up Rings-9

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

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O-Rings and Back-up Rings-10

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 Parts...

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O-Rings and Back-up Rings-11

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

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O-Rings and Back-up Rings-12

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 www.trelleborg.com/seals...

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O-Rings and Back-up Rings-13

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

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O-Rings and Back-up Rings-14

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 view...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.