Are you looking for the best o-ring dimension chart factories in China to meet your sealing needs? With numerous options available, it can be overwhelming to choose the right one. In this article, we’ll compare the top factories, highlighting their standard sizes, customization options, and industry applications to help you make an informed decision. Let’s dive in and find the perfect fit for your project.

French R O-Rings, AS 568A O-Rings, JIS …

danco o ring size chart Manufacturers and Factory China

JIS B 2401 P – O-Ring Dimensions

O-ring size (no tooling charge)

Product Details: PPE offers a wide range of O-ring sizes and materials, including AS568, DIN 11864, and RJT O-rings. These O-rings are available in various internal diameters and cross-section dimensions, and can be made from high-performance elastomers such as FKM, FFKM, EPDM, and Silicone. They are used in critical sealing applications including compressors, valves, oil & gas equipment, and semiconductor manufacturing. Large diameter O-rings up to 2.5 meters outer diameter and cross sections from 5mm to 20mm are also available.

Pros:
– Fully molded O-rings offer tighter cross-section tolerances and no joint weaknes…
– Available in high-performance materials with chemical resistance, high temperatu…
– Manufactured in cleanroom environments to minimize atmospheric contamination, su…
– Custom tooling can be produced quickly for non-standard O-ring sizes, providing…

Cons:
– Jointed O-rings, though available, have inherent weak spots at the joints which…
– Spliced O-rings may have mismatched joints or wider tolerances on the cross sect…
– Lower density jointed O-rings manufactured at lower pressures can adversely affe…

Metric O-Ring Size Chart

Product Details: The Metric O-Ring Size Chart on Marco Rubber & Plastics website provides a comprehensive list of common and non-standard metric o-ring sizes. The chart includes dimensions such as cross-section (CS), inner diameter (ID), and outer diameter (OD) in both inches and millimeters. Users can browse and order o-rings from the world’s largest inventory network, with thousands of metric o-rings available in stock. Custom o-rings can also be produced within a few weeks, typically without tooling fees. The website offers interactive search filters to find specific o-ring sizes and provides quotes usually within 60 minutes.

Pros:
– Comprehensive size chart including both standard and non-standard metric o-ring…
– Large inventory network with thousands of o-rings available in stock
– Custom o-rings can be produced within a few weeks without tooling fees
– Interactive search filters for easy size selection
– Quick quote service, often provided within 60 minutes

Cons:
– No specific details on material compatibility or chemical resistance are provide…
– Users may need to navigate to other sections of the website for additional infor…

Parker AS568 O-Rings Size Chart

Product Details: Parker O-Rings are available in various series, including the 2-XXX and 5-XXX series. These O-Rings come in standard and non-standard dimensions, with specifications listed in both inches and millimeters. They are manufactured from compounds with standard ‘AN’ shrinkage, corresponding to AS568A and AS568B dimensions. The O-Rings are used in a wide range of applications, including pneumatic seals, hydraulic systems, and general sealing purposes. Each series has specific cross-section sizes and inside diameter tolerances.

Pros:
– Wide range of sizes available to fit various applications
– Manufactured to precise standards (AS568A and AS568B) ensuring reliability
– Available in different materials to suit different environmental conditions
– Extensive documentation and sizing charts for easy selection

Cons:
– Non-standard sizes may have limited availability and higher costs
– Materials with non-standard shrinkage may require special ordering and consultat…
– Tolerances can be critical, requiring precise fitting to ensure proper sealing

Ring Size Conversion Chart – International – Après Jewelry

Product Details: The ring size conversion chart provides a comprehensive guide to convert ring sizes between different international standards, including US, UK, Germany, France, Japan, and others. It includes inner diameters in millimeters and corresponding ring sizes for each country. Users can measure their ring size at home using a strip of paper or thread and then refer to the chart for accurate sizing. The chart is useful for both men and women and covers a wide range of sizes.

Pros:
– Allows for accurate conversion between different international ring size standar…
– Includes inner diameters in millimeters for precise measurements.
– Can be used at home with simple tools like paper or thread.
– Covers a wide range of sizes for both men and women.
– Helpful for shopping for rings from international stores.

Cons:
– Ring sizes can be affected by factors like finger shape, temperature, and band w…
– Some ring styles or materials cannot be resized, making accurate sizing crucial.
– Multiple measurements may be necessary to account for minor variations in fit.

OEM O Ring Size Chart Manufacturers and Factory China

Product Details: O-rings are circular gaskets or seals that are widely used in various industries for sealing applications. They come in standard sizes such as USA AS568, Japanese JIS B 2401, British BS 1806, and others. Key details include the inside diameter (ID), outside diameter (OD), and cross-sectional diameter (CS). These dimensions are crucial for selecting the correct o-ring for a specific application.

Pros:
– Highly versatile and widely available in various standard sizes.
– Can be made from a variety of materials to suit different environmental conditio…
– Custom and non-standard sizes are available without significant tooling fees.
– Essential for maintaining the integrity of seals in hydraulic, pneumatic, and ot…

Cons:
– Tolerances can vary by use, requiring careful selection to ensure proper fit and…
– Incorrect sizing can lead to leakage or system failure.
– Material compatibility must be considered to ensure optimal performance in speci…

Custom O-Rings, Custom Molded O-Ring China Manufacturer

Product Details: Savvy Rubber offers custom o-rings designed and produced in various cross-sections and shapes. These o-rings are defined as custom if their cross-section or outline shape deviates from standard o-ring sizes. Key details include the need for inner diameter (ID) and cross-section (CS) for round custom o-rings, and a detailed drawing for non-round shapes. Materials available include NBR, FKM, Silicone, and others, with hardness ranging from Shore A 40 to 90. Custom o-rings are used in industries such as hydraulics, oil and gas, semiconductor processing, aerospace, food processing, and more. Savvy emphasizes strong cost control, offering high-quality products at low prices

despite the higher cost of custom o-rings compared to standard ones.

Pros:
– Customizable to specific requirements in terms of size, shape, and material
– Strong cost control management ensuring low prices while maintaining high qualit…
– Wide range of materials and hardness levels available
– Used in a variety of modern industries
– Ability to design and produce o-rings according to customer drawings or specific…

Cons:
– Higher cost compared to standard o-rings
– Lower volume production which can affect lead times
– Requires detailed communication and cooperation for non-standard shapes

O-Ring Size Chart for U.S. & Metric Standard Sizes

Product Details: The website provides o-ring size charts for U.S. and metric standard sizes, including charts for quad-rings, x-rings, and square-rings. It covers various standards such as U.S., Japanese JIS, British BS, and Common Metric sizing. Users can view and download PDFs of these charts or order o-rings online. Custom and non-standard products are also available in most materials, typically without tooling or setup fees.

Pros:
– Comprehensive size charts for various o-ring standards (U.S., JIS, BS, Metric)
– Availability of custom and non-standard o-ring sizes
– No tooling or setup fees for custom orders
– Option to view and download PDF charts
– Ability to order o-rings, quad-rings, x-rings, and square-rings online

Cons:
– Users may need to navigate multiple charts to find the correct size
– No immediate availability of all custom sizes; may take a few weeks

Comparison Table

Frequently Asked Questions (FAQs)

What are the standard o-ring sizes available from Chinese manufacturers?

Chinese manufacturers often follow international standards such as AS568 (USA), BS1516 (UK), DIN 3771 (Germany), JIS B 2401 (Japan), and ISO 3601 (International). These standards specify various cross-sections and inner diameters. For example, the AS568 standard includes cross-sections like 1.78 mm, 2.62 mm, and 3.53 mm, with corresponding inner diameters ranging from a few millimeters to several centimeters.

Can I customize o-ring sizes and materials if the standard sizes do not fit my needs?

Yes, you can customize o-ring sizes and materials. Chinese manufacturers offer a wide range of customization options, including different materials like NBR, FKM, EPDM, and silicone, as well as various cross-sections and shapes. If the standard sizes do not fit your needs, you can provide the manufacturer with your specific requirements, such as inner diameter and cross-section, or even a custom drawing for non-standard shapes.

What materials are commonly used for o-rings in Chinese manufacturing?

Chinese manufacturers use a variety of materials for o-rings, each with its own set of properties and applications. Common materials include NBR (nitrile) for general-purpose use, FKM (fluorocarbon) for high-temperature and chemical resistance, EPDM (ethylene propylene diene monomer) for water and steam resistance, and silicone for extreme temperature conditions. Other materials like HNBR and FFKM are also available for more specialized applications.

How do I ensure the quality and reliability of o-rings from Chinese manufacturers?

To ensure the quality and reliability of o-rings from Chinese manufacturers, look for suppliers with verified business licenses and certifications such as ISO 9001, ISO 14001, and TS 16949. These certifications indicate that the manufacturer follows strict quality control and environmental standards. Additionally, you can request samples and inspect the products before placing a large order.

What is the typical lead time and minimum order quantity for custom o-rings from Chinese factories?

The lead time for custom o-rings can vary depending on the complexity of the design and the production volume. Generally, it can take anywhere from a few weeks to several months. The minimum order quantity (MOQ) is often around 100 pieces, but this can also vary depending on the manufacturer and the specific requirements of your order. It’s best to communicate directly with the manufacturer to get a precise estimate for your specific needs.