High-Performance O Ring Seal as-118/21.89*2.62/as-568 Customizable for All Industry Requirements

• Customization: Available
• Material: Customized
• Application: Multipurpose Use
• Model NO.: AS-118/21.89*2.62/AS-568
• Type: Stationary Seal
• Performance: High Pressure
• Shape: Standard and Customized
• Standard: Standard
• Color: Customized Color
• OEM/ODM: Yes
• Size: Customized Size
• Operational Temperature Range: -40~+100ºC
• Transport Package: Standard Packing
• Specification: Customized
• Trademark: DZD
• Origin: China
• Package Size: 6.00cm * 6.00cm * 6.00cm
• Package Gross Weight: 2.000kg

Product Description

Product Description

Functional and Durable O Ring AS-118/21.89*2.62/AS-568 For Various Industries

Our Custom High Precision O Ring Seals are meticulously crafted using the finest quality materials, featuring NBR (Nitrile Butadiene Rubber) for this exceptional model. Our manufacturing precision ensures these O ring seals deliver unmatched performance and reliability, catering to the stringent demands of a multitude of applications. With dimensions precisely set at 21.89*2.62 in accordance with the AS-118 standard and fully compliant with the AS-568 standard, these seals are also available in the versatile FKM-90 variant to suit diverse usage scenarios. The NBR material is renowned for its excellent resistance to oil, fuel, and a variety of common chemicals, making it an indispensable choice for a broad spectrum of industrial and mechanical environments.

Specification

Material	Nitrile Butadiene Rubber (NBR)	Fluororubber (FKM)
Color	Red, Black, Blue, etc. Customized
Size	Standard&Customized
Density	Typically 0.95-1.25 g/cm³, depending on filler content (common grades: ~1.0-1.1 g/cm³).	Usually 1.8-2.0 g/cm³  (high density due to fluorine content).
Hardness	Typically 40 - 90 Shore A, with common industrial grades at 60 - 80 Shore A	Usually 50 - 90 Shore A, with high - performance grades often at 70 - 85 Shore A.
Temperature	-40°C to +100°C (-40°F to +212°F)	-20°C to +200°C (-4°F to +392°F)
Tolerance	Tolerance Class for Cross-Section Diameter (CSD)AS568 Class: - Small sizes: ±0.05-0.13 mm - Medium sizes: ±0.13-0.25 mm - Large sizes: ±0.25-0.41 mm Tolerance Class for Inner Diameter (ID) - Small sizes: ±0.13-0.38 mm - Medium sizes: ±0.38-0.76 mm - Large sizes: ±0.76-1.52 mm	Tolerance Class for Cross-Section Diameter (CSD)AS568 Class: - Small sizes: ±0.05-0.13 mm - Medium sizes: ±0.13-0.25 mm - Large sizes: ±0.25-0.41 mm Tolerance Class for Inner Diameter (ID) - Small sizes: ±0.13-0.38 mm - Medium sizes: ±0.38-0.76 mm - Large sizes: ±0.76-1.52 mm
Advantages	1. Excellent resistance to mineral oils, fuels, and hydraulic fluids. 2.Good mechanical strength and abrasion resistance. 3.Cost-effective and widely available. 4.Versatile for moderate temperature applications (-40°C to +120°C).	1.Exceptional resistance to high temperatures (+200°C, up to +230°C for premium grades). 2.Outstanding chemical resistance to acids, solvents, and fuels. 3.High durability in aggressive environments (e.g., chemicals, aerospace). 4.Long service life in harsh conditions.
Application	Hydraulic systems; Fuel systems; Automotive engines; Oil pumps; Other general industrial; equipment with oil-based media.	High-temperature environments; Automotive engines; Turbochargers, gaskets; Chemical processing plants; Aerospace seals; Applications of aggressive chemicals or fuels.
Storage& Maintenance	1. Regular Inspection: Periodically check the O-ring for signs of wear, such as abrasion on the surface, and aging, which may present as cracking, hardening, or discoloration.  2. Timely Replacement: Replace O-rings immediately if they are damaged, deformed, or show signs of aging. A defective O-ring can no longer ensure proper sealing performance. 3. Exposure Avoidance: Prevent O-rings from being exposed to harsh environments for extended periods.

Applications

1. Automotive Industry: Expertly crafted for automotive engines, fuel systems, and transmission systems, our seals deliver optimal performance, enhancing the reliability of your vehicle.

2. Industrial Machinery: Perfectly suited for hydraulic presses, pumps, and compressors, they ensure efficient and seamless operations, boosting productivity in industrial settings.

3. Aerospace Field: Indispensable for fuel tanks and hydraulic actuators, providing unmatched safety and reliability in aerospace applications.
4. Plumbing and Water Systems: Ideal for faucets, valves, and pipe joints, offering an uncompromising seal that assures reliability and longevity.

Key Configurations

Material:

NBR (Nitrile Butadiene Rubber)
FKM-90 (Fluorocarbon Rubber)
Standards Compliance:

AS-112
AS-568
Precision Level:

Our products are crafted with a superior precision level, sporting an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes. The CSD ensures a precise fit with an allowable variation of approximately ±0.05 mm or ±0.002 inches for standard sizes, guaranteeing flawless function and fit.

Application Photos

After Sales Service

Standard Warranty: Revel in assurance with our robust 12-month warranty, a testament to our unwavering commitment to quality and customer satisfaction.

Timely Response and Technical Support: We are dedicated to offering unparalleled 24/7 customer service, ensuring our highly trained team is ready at all times to address any inquiries or concerns you may have.

On-site Maintenance and Repair: For complex issues that can't be resolved remotely, our expert after-sales service team is prepared to swiftly dispatch professionals equipped with specialized tools and spare parts directly to your site, guaranteeing prompt and effective solutions.

Regular Follow-up and Customer Feedback Collection: Beyond resolving issues, we are committed to excellence through regular follow-ups to ensure your product's optimal function and your satisfaction. We actively collect customer feedback and suggestions, serving as invaluable insights for continuous enhancement of our products and services, thereby elevating your overall experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. is a distinguished Chinese manufacturer specializing in O-ring seal rubber products, with over 16 years of industry excellence. Proudly holding ISO 9001 and CE certifications, we export to more than 50 countries, delivering reliable products and services powered by innovative R&D and stringent quality control.

Why Choose Us?

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FAQ

Q: What's the lead time for orders?
A: Our standard models are meticulously prepared and ready for swift dispatch within an impressive timeframe of 15–30 days. For bespoke solutions, we guarantee a prompt delivery schedule of 30–45 days, finely tuned to meet your specific needs and preferences.

Q: Do you provide after-sales service overseas?
A: Indeed, we are delighted to provide comprehensive after-sales support through our strategically located partnered service centers in key international regions, ensuring smooth and uninterrupted assistance wherever your operations may be.

Q: Can I request a customized bucket size?
A: Absolutely! We excel in crafting bespoke attachments that are meticulously tailored to your precise specifications, ensuring an impeccable fit and outstanding performance to suit your unique requirements.

Q: What documents do you provide for export?
A: We furnish a comprehensive export documentation package, featuring vital documents such as the Commercial Invoice, Packing List, Bill of Lading, Certificate of Compliance (COC), and additional materials, ensuring your international transactions are smooth and hassle-free.

Q: How do I place an order?
A: Simply reach out to us via email or phone to obtain a personalized quote. Once you are satisfied, confirm your order with a Purchase Order (PO), and we will execute the process with utmost precision and efficiency.