Designed with the highest level of precision, Parker O-Rings deliver long-life and excellent dimensional control. They’re used in a wide range of physical, chemical and environmental conditions. This versatility makes them an ideal seal choice for undercut and closed housings.
They’re available in standard sizes and materials, or customized for your specific application. With decades of experience and manufacturing facilities all over the world, Parker can modify nearly any aspect of their products to suit your needs.
Sealing Performance
One of the most important things that you should consider when choosing an O-ring is the seal performance. This includes the material, seal configuration and design of the O-ring. The Sealing Guide from Parker store provides information on all of these factors to ensure you get the best possible performance for your application.
For example, a gland operating at high temperatures may require increased volume to compensate for thermal expansion of the O-ring. Conversely, low temperature sealing might require a more shallow gland depth to produce the proper squeeze for an effective seal.
The Parker O-Ring Division produces a broad assortment of O-rings and specialized seals that are used in a wide range of applications. These include standard O-rings in a variety of imperial and metric sizes; miniature O-rings; large special O-rings and continuously molded and spliced cord.
They also offer O-ring kits that can help you prepare and test a new system quickly and efficiently. These kits are available in various sizes and feature all of the materials necessary to perform the seal.
A good quality O-ring can last for many years in demanding applications. That’s why you should choose a trusted manufacturer for your O-ring needs.
O-Rings made by Parker have a reputation for providing excellent quality and durability. They are manufactured to tight tolerances for a high level of reliability. They are also designed to withstand aggressive chemistries and higher temperatures.
Parker O-Rings are a great choice for engineers in every industry. They are made with specifically compounded materials, manufactured to close tolerances, and spliced endlessly to ensure dependable performance. They are a popular option for engineers who work in automotive, fluid power, and semiconductor processing.
Material Selection
If you are in need of an o-ring, Parker has an extensive catalog that features hundreds of options to suit your needs. Whether you are looking for an O-ring that fits a standard size or a custom design, they have you covered.
The right material is crucial to the longevity and performance of O-rings. It is important to choose the right rubber compound for your application. Using the wrong compound can lead to damage, poor performance, and increased maintenance costs.
This is why Parker has created a handbook and guide to help you find the right product for your application.
To ensure superior quality, Parker has established a Controlled Batch Identification (CBI) program that closely monitors all stages of the manufacturing process. This includes in-house mixing and tooling operations, as well as the final non-contact inspection process.
When it comes to the o-rings that are used for sealing, it is essential that you get them right. You need to choose the correct material, the proper size, and the right configuration for your application. This can save you time and money, as well as increase your overall productivity.
Seal Configuration
When choosing an O-ring, consider the following factors: size, material and shape. An O-ring that doesn’t fit will cause seal failure and other problems.
To help engineers select the right material for an O-ring, Parker offers a variety of resources and tools. These include the Parker O-Ring Handbook (ORD 5700), which has been a fixture on the reference shelves of engineers worldwide for decades. The book explains basic sealing elastomers, seal applications and o-ring failure modes. It also includes compatibility data for fluids, gases and solids.
These include Viton FKM O-rings, buna O-rings, silicone O-rings, fluorosilicone O-rings, nitrile O-rings (NBR), EPDM O-rings, butadiene O-rings and chloroprene O-rings.
For more information about the different materials used to make O-rings, visit the O-Ring Handbook or the Parker O-Ring Chemical Compatibility Chart. These publications provide elastomer properties and recommendations, as well as chemical resistance ratings.
Once you’ve determined the materials that will be used for an O-ring, it is time to decide on its configuration. This can involve selecting the gland depth, the diameter of the O-ring and the hardness or durometer. It also includes the operating temperature and the pressure required to produce the proper compression set.
To assist with design, Parker provides a variety of engineering software and mobile apps. These tools allow engineers to easily and quickly determine material selection, fluid compatibility, gland/seal calculations and overall design analysis.
The Parker O-Ring Handbook ORD 5700 and its abridged versions, available in the United States and Europe, are essential references for determining seal design and material selection. The Handbook covers the fundamentals of static and dynamic seal design, o-ring failure modes and a variety of seal sizes and materials. It is a valuable resource that can help save engineers time and money when designing o-rings.
Design Considerations
One of the most common types of seals, o-rings are often used in hydraulic and pneumatic systems. They are inexpensive, reliable and have simple mounting requirements.
A large variety of elastomer materials are available for O-rings. These include polytetrafluoroethylene (PTFE), Buna-N, nitrile, butyl, perfluoroelastomer (FFKM), neoprene, Viton(r) and silicone.
O-Rings are a critical component in the design of hydraulic and pneumatic equipment, so it’s important to choose the right material.
Many manufacturers produce their O-rings in different ways, but Parker uses proprietary continuous molding. This process reduces the number of manufacturing steps and improves product quality.
To ensure a quality product, Parker’s O-Ring Division utilizes controlled batch identification (CBI) programs to meet strict quality standards and regulations. They also have ISO 9001 and AS 9100 certifications and are members of the TS 16949 organization.
Additionally, the company’s O-Ring Handbook is the definitive guide for the industry and includes information on o-ring elastomers, applications and seal failure modes. This 74-page manual also covers manufacturing processes, quality assurance, controlled batch identification (CBI) programs and the latest inspection techniques.
It also details proper gland designs for static and dynamic sealing applications, as well as surface finishes and machining data. It also discusses undercut or dovetail grooves, which provide a mechanical means of holding O-rings in place during assembly and maintenance.
The Parker O-Ring eHandbook is an easy-to-read, visual learning tool that provides interesting excerpts and summarized information.
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