Premium Oil Seal as-118/21.89*2.62/as-568 Versatile Seal Ring with Customization Options Available

• 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

Premium Oil Seal AS-118/21.89*2.62/AS-568 Versatile Seal Ring with Customization Options Available 

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: Perfectly engineered for automotive engines, fuel systems, and transmission systems, these seals deliver optimal performance and reliability.

2. Industrial Machinery: These seals are ideal for hydraulic presses, pumps, and compressors, ensuring smooth and efficient operation.

3. Aerospace Field: Vital for fuel tanks and hydraulic actuators, providing unparalleled safety and reliability.
4. Plumbing and Water Systems: Perfect for faucets, valves, and pipe joints, offering 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 feature an impressive precision level, with an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes. The CSD also maintains a specific allowable variation of approximately ±0.05 mm or ±0.002 inches for standard sizes, ensuring a flawless fit and function.

Application Photos

After Sales Service

Standard Warranty: Enjoy peace of mind with our comprehensive 12-month warranty, a testament to our unwavering commitment to unparalleled quality.

Timely Response and Technical Support: We pride ourselves on our 24/7 customer service hotline, ensuring that our dedicated team is always available to address any inquiries or concerns.

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

Regular Follow-up and Customer Feedback Collection: Our commitment to excellence extends beyond problem resolution. We conduct regular follow-up to ensure your product is functioning optimally and that you are fully satisfied with our service. We actively gather customer feedback and suggestions, which serve as invaluable references for the continuous optimization of our products and services, enhancing the overall customer experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. stands as a leading Chinese manufacturer specializing in O-ring seal rubber products. With over 16 years of industry expertise, we are proudly certified with ISO 9001 and CE. Our products are exported to over 50 countries, delivering reliable products and services underpinned by R&D innovation and rigorous quality control.

Why Choose Us?

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FAQ

Q: What's the lead time for orders?
A: Our standard models are ready to embark on their journey to you within an impressive 15–30 days. For those desiring unique, tailored solutions, we promise a swift and efficient delivery time of 30–45 days, meticulously crafted to meet your specific expectations.

Q: Do you provide after-sales service overseas?
A: Absolutely, we take pride in offering extensive after-sales support through our strategically located partner service centers across key international destinations, ensuring you receive seamless assistance no matter where you are in the world.

Q: Can I request a customized bucket size?
A: Certainly! We excel in crafting bespoke attachments, tailored with precision to meet your unique specifications, ensuring a flawless fit and unparalleled performance.

Q: What documents do you provide for export?
A: We offer a thorough export documentation package, including all vital documents such as a Commercial Invoice, Packing List, Bill of Lading, Certificate of Compliance (COC), and more, guaranteeing smooth and trouble-free international transactions.

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