Are you looking for the best o-ring manufacturers in China? With so many options available, choosing the right one can be overwhelming. In this article, we’ll compare some of the top o-ring factories in China, highlighting their strengths, product ranges, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

danco o ring size chart Manufacturers and Factory China

Product Details: Danco O-Rings are designed for faucet repair and other plumbing applications. They are available in various standard sizes, including #1, #7, #8, #9, #11, #12, #25, and #34. Each size is specified by its outside diameter (OD), inside diameter (ID), and cross-section diameter (thickness). For example, the #1 O-Ring has an OD of 21/32 in., an ID of 13/32 in., and a wall thickness of 1/8 in. These O-Rings are made of tough, flexible rubber and are designed to withstand harsh chemicals and temperatures between 86°F to 248°F (-30°C to 120°C)[2][4].

Pros:
– Provides a better seal to prevent leaks
– High abrasive resistance and temperature resistance
– Helps save water and energy by preventing drip leaks in faucets
– Inexpensive alternative to replacing the entire faucet fixture

Cons:
– Limited to specific sizes and applications
– May require precise measurement to ensure the correct size is selected
– Not suitable for all types of sealing applications

O-ring size (no tooling charge)

Ring Size Conversion Chart – International – Après Jewelry

Product Details: The International Ring Size Conversion Chart on Apres Jewelry’s website provides a comprehensive guide to convert ring sizes between different countries. It includes measurements in millimeters and inches, and corresponds to ring sizes in the USA/Canada/Mexico, UK/Ireland/Australia/New Zealand/South Africa, and Germany/France. The chart helps customers accurately determine their ring size by matching the inside diameter of the ring to the corresponding size in their region.

Pros:
– Provides accurate ring size conversions between various countries.
– Includes measurements in both millimeters and inches for precision.
– Covers multiple regions such as USA/Canada/Mexico, UK/Ireland/Australia/New Zeal…
– Helps customers avoid incorrect sizing by using a detailed conversion chart.

Cons:
– Requires careful measurement to ensure accuracy, which can be time-consuming.
– Does not account for variations in ring styles or materials that might affect fi…
– Users must manually compare their measurements to the chart, which could lead to…

Metric o store ring chart – Kin by Rice n Roll

Product Details: Kin by Rice n Roll is a small, family-run restaurant located in the Wauwatosa neighborhood. It is part of the Rice n Roll Bistro family and is known for serving a variety of Asian food and sushi with a modernized look and authentic taste from across Asia, especially Thailand and Japan.

Pros:
– Family-run restaurant with a passion for homemade, fresh, and tasty food.
– Variety of Asian dishes and sushi with modern and authentic flavors.
– Operated by family members of Rice n Roll Bistro.

Cons:
– No specific cons mentioned on the website.

OEM O Ring Size Chart Manufacturers and Factory China

Product Details: O-rings are available in standard and metric sizes, defined by Aerospace Standard AS568B for U.S. standards and International Standard ISO 3601-1:2002 for metric standards. Key dimensions include the inside diameter (ID), cross-sectional diameter (CS), and outside diameter (OD). Standard sizes range from 0.040 to 0.275 inches in cross-sectional diameter and from 0.029 to 25.940 inches in inside diameter. Metric sizes are grouped into G and A series, with the G series for general purposes and the A series for aerospace applications with tighter tolerances.

Pros:
– Wide range of standard and metric sizes available to fit various applications.
– Standard sizes are well-defined and widely adopted, ensuring compatibility acros…
– Metric sizes offer a comprehensive selection, including 445 sizes in the G serie…
– Custom and non-standard sizes are available without tooling fees, offering flexi…

Cons:
– Selecting the correct O-ring size can be complex due to the numerous options and…
– Different regions and industries may use different standards (e.g., AS568B, ISO…
– Ensuring the correct material and dimensions is crucial, as incorrect choices ca…

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

Product Details: The French R O-Ring series is characterized by its measurements in millimeters, with specifications including inside diameter (ID) and cross-section width (C.S.). The series encompasses a wide range of sizes, from O-Ring R000 with an ID of 1.15mm and C.S. of 0.13mm to O-Ring R75 with larger dimensions. Each O-Ring is defined by its unique ID and C.S. measurements, catering to various applications. The O-Rings are used in hydraulic, pneumatic, and other industrial settings where precise sealing is required.

Pros:
– Wide range of sizes available to fit different application needs.
– Precise measurements in millimeters ensure accurate fitting and sealing.
– Suitable for various industrial applications, including hydraulic and pneumatic…

Cons:
– No specific information on material durability or lifespan is provided.
– The extensive range of sizes might make selection challenging without detailed a…

O ring store catalogue metric – Kin by Rice n Roll

Parker AS568 O-Rings Size Chart

Product Details: Parker O-rings are circular sealing elements available in various materials such as Fluorocarbon (FKM), Nitrile Rubber (NBR), Ethylene Propylene Rubber (EPDM), Silicone (VMQ), and more. They are manufactured to meet stringent industry standards including NSF, UL, Military (MIL-SPEC), Aerospace (AMS), and others. Parker O-rings are designed for static and dynamic applications, offering a wide range of sizes and durometers from 40 to 95 Shore A. They are used in diverse industries including automotive, fluid power, semiconductor processing, and general industrial applications.

Pros:
– High chemical and thermal resistance depending on the material chosen.
– Ease of service with no smearing or retightening required.
– No critical torque on tightening, reducing the risk of structural damage.
– Compact and lightweight design.
– Cost-effective and reusable in many cases.
– Gradual failure mode that is easily identifiable.
– Wide range of materials to suit various environmental demands.

Cons:
– Material selection is critical and must match the application environment to ens…
– Some materials may have poor short-term rebound or low-temperature flexibility.
– Certain materials, like Butyl rubber, have poor mechanical properties over a wid…
– May require additional accessories like back-up rings or lubricants for high-pre…

Rubber o-ring sizes

Product Details: Rubber O-rings are available in a wide range of sizes. The internal diameter (ID) ranges from 0.5 mm to 2000.00 mm, and the cross-sectional diameter (CS) ranges from 0.3 mm to 15.00 mm. The products adhere to the American standard AS568 series, which is a commonly used standard in the industry.

Pros:
– Wide range of sizes available to fit various applications.
– Adheres to the American standard AS568 series, ensuring compatibility and reliab…

Cons:
– No specific information on material options or chemical resistance is provided o…
– No details on the availability of custom sizes or special orders are mentioned.

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. The o-rings are used in industries such as hydraulics, oil and gas, semiconductor processing, aerospace, food processing, and more. Savvy has strong cost control, offering high-quality custom o-rings at competitive prices in the China market.

Pros:
– Ability to design and produce custom o-rings in various cross-sections and shape…
– Strong cost control management, offering high-quality products at low prices
– Wide range of materials available, including NBR, FKM, and Silicone
– Versatile applications across multiple industries
– Option for custom colors and hardness levels

Cons:
– Higher price compared to standard o-rings due to the unconventional nature
– Requires detailed communication and cooperation for non-standard shapes
– Potential for longer lead times and higher MOQ for unique customizations

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About O-Ring Manufacturers in China

What types of materials are commonly used to make o-rings in China?

O-ring manufacturers in China use a variety of materials, including Nitrile (NBR), Fluororubber (FKM or Viton), Ethylene Propylene Diene Monomer (EPDM), Hydrogenated Nitrile Butadiene Rubber (HNBR), and Silicone. Each material has its own properties and is suited for different applications, such as NBR for general use, FKM for high-temperature and chemical resistance, and Silicone for medical and food industries.

Can I customize the size and design of o-rings from Chinese manufacturers?

Yes, you can customize the size and design of o-rings from Chinese manufacturers. Many companies, such as Dongguan Hongju Silicone Rubber Products Co., Ltd. and Savvy Rubber, offer OEM and ODM services, allowing you to specify the exact dimensions, materials, and even colors of your o-rings according to your needs. They also have a wide range of molds available for different sizes and shapes.

What are the standard sizes and international standards for o-rings in China?

O-rings in China are manufactured to various international standards, including AS568 (USA), BS1516 (UK), DIN 3771 (Germany), JIS B 2401 (Japan), ISO 3601 (International), and GB 3452.1 (China). These standards ensure that the o-rings meet specific dimensions and quality criteria. Manufacturers also offer non-standard sizes and can customize sizes based on your requirements.

Do Chinese o-ring manufacturers provide free samples and what is the typical minimum order quantity (MOQ)?

Yes, many Chinese o-ring manufacturers provide free samples for testing. For example, Dongguan Hongju Silicone Rubber Products Co., Ltd. offers free samples to potential customers. The minimum order quantity (MOQ) can vary, but it is often around 100 pieces. Some manufacturers are flexible with MOQs, especially for custom orders, but larger MOQs may be required for unique or non-standard sizes.

What kind of additional services do Chinese o-ring manufacturers offer?

Chinese o-ring manufacturers often provide a range of additional services to make your experience seamless. These include assembly, packing, and shipment services, as well as one-stop OEM/ODM solutions. Companies like Xiamen Lindas Hardware Industrial Co., Ltd. and Hongjie Rubber Seal also offer customization options for design, color, packaging, and logos, and they ensure that products meet specific market certifications and standards.