Custom NBR Seal as-118/21.89*2.62/as-568 Reliable Rubber Seal for Efficient Hydraulic Systems

• 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

Custom NBR Seal AS-118/21.89*2.62/AS-568 Reliable Rubber Seal for Efficient Hydraulic Systems

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, ensuring unmatched performance and reliability.

2. Industrial Machinery: Ideal for integration in hydraulic presses, pumps, and compressors, guaranteeing seamless and efficient operations.

3. Aerospace Field: Indispensable for fuel tanks and hydraulic actuators, offering unparalleled safety and reliability.
4. Plumbing and Water Systems: Perfectly suited for faucets, valves, and pipe joints, ensuring 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 are crafted to an exceptional precision level, featuring an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes. The CSD features a stringent allowable variation of approximately ±0.05 mm or ±0.002 inches for standard sizes, ensuring a flawless fit and superior function.

Application Photos

After Sales Service

Standard Warranty: Experience peace of mind with our comprehensive 12-month warranty, a testament to our unwavering commitment to quality and customer satisfaction.

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

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

Regular Follow-up and Customer Feedback Collection: Our commitment to excellence extends far beyond problem resolution. We conduct regular follow-up to ensure your product's optimal functionality and your complete satisfaction with our service. We actively seek customer feedback and suggestions, serving as invaluable references for the ongoing optimization of our products and services, ultimately enhancing 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 Chinese manufacturer specializing in O-ring seal rubber products, with over 16 years of industry expertise. Proudly certified with ISO 9001 and CE, we export to over 50 countries, providing dependable products and services driven by relentless 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 expertly prepared for shipment within an impressive timeframe of just 15–30 days. For clients desiring customized solutions, we guarantee a swift and efficient delivery window of 30–45 days, meticulously tailored to meet your specific requirements.

Q: Do you provide after-sales service overseas?
A: Indeed, we are proud to offer robust and comprehensive after-sales services through our strategically positioned partnered service centers, located across key international regions. This ensures you receive seamless support and assistance, no matter where you are in the world.

Q: Can I request a customized bucket size?
A: Absolutely! We specialize in crafting bespoke attachments that are meticulously tailored to align with your unique requirements, ensuring not only a perfect fit but also optimal performance for your specific applications.

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

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