Efficient Rubber Seal as-118/21.89*2.62/as-568 High-Performance O Ring for Versatile Industrial Use

• 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

Efficient Rubber Seal AS-118/21.89*2.62/AS-568 High-Performance O Ring for Versatile Industrial Use

Our Custom High Precision O Ring Seals are crafted with top-notch quality materials, specifically featuring NBR (Nitrile Butadiene Rubber) for this particular model. The precision in manufacturing these O ring seals is of the highest standard, ensuring excellent performance and reliability. They are designed to meet the exacting requirements of diverse applications. With specific dimensions of 21.89*2.62 as per the AS-118 standard and conforming to the AS-568 standard, these seals are also available in FKM-90 variant for different usage scenarios. The NBR material offers good resistance to oil, fuel, and other common chemicals, making it a versatile choice for a wide range of industrial and mechanical settings.

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, ensuring optimal performance and reliability.

2. Industrial Machinery: Perfectly designed for hydraulic presses, pumps, and compressors, guaranteeing efficient and seamless operation.

3. Aerospace Field: Indispensable for fuel tanks and hydraulic actuators, providing unmatched safety and reliability.
4. Plumbing and Water Systems: Excellently suited for faucets, valves, and pipe joints, delivering a dependable and robust seal.

Key Configurations

Material:

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

AS-112
AS-568
Precision Level:

Our products showcase an extraordinary precision level, with an ID tolerance of ±0.1 mm or ±0.004 inches for smaller dimensions. The CSD also features a specific allowable variation of approximately ±0.05 mm or ±0.002 inches for standard sizes, ensuring an impeccable fit and optimal functionality.

Application Photos

After Sales Service

Standard Warranty: Experience peace of mind with our all-inclusive 12-month warranty, highlighting our unwavering commitment to quality and customer satisfaction.

Timely Response and Technical Support: We are dedicated to providing exceptional 24/7 customer service via our hotline, ensuring our devoted team is always ready to address any inquiries or concerns promptly.

On-site Maintenance and Repair: For challenges that cannot be resolved remotely, our proficient after-sales service team is prepared to dispatch skilled technicians equipped with professional tools and spare parts directly to your site, ensuring swift and effective solutions.

Regular Follow-up and Customer Feedback Collection: Our devotion to excellence extends beyond mere issue resolution. We conduct regular follow-ups to affirm that your product is functioning at its best and that you are completely satisfied with our service. We actively seek customer feedback and suggestions, which are invaluable for the continuous enhancement of our products and services, thereby elevating the overall customer experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. is a distinguished leader in the Chinese manufacturing industry, specializing in O-ring seal rubber products with over 16 years of profound expertise. Proudly holding ISO 9001 and CE certifications, we export to more than 50 countries, delivering reliable products and services driven by pioneering R&D innovation and stringent quality control measures.

Why Choose Us?

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FAQ

Q: What's the lead time for orders?
A: Our standard models are poised for prompt dispatch within an impressive 15–30 days. For customized solutions, we guarantee a rapid delivery timeframe of 30–45 days, tailored to match your unique specifications.

Q: Do you provide after-sales service overseas?
A: Indeed, we are delighted to offer comprehensive after-sales services through our strategically located partnered service centers in key international regions, ensuring seamless support wherever you may be.

Q: Can I request a customized bucket size?
A: Absolutely! We excel in offering bespoke attachments precisely tailored to your unique requirements, ensuring a perfect fit and optimal performance for your specific needs.

Q: What documents do you provide for export?
A: We provide a comprehensive export package, including essential documents such as a Commercial Invoice, Packing List, Bill of Lading, Certificate of Compliance (COC), and more, to ensure smooth and hassle-free international transactions.

Q: How do I place an order?
A: Simply contact us via email or phone to receive a personalized quote. Once satisfied, confirm your order with a Purchase Order (PO), and we will manage the rest with utmost efficiency and care.