Versatile Seal Ring as-118/21.89*2.62/as-568 Durable NBR O Ring with Premium Quality Assurance

• 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

Versatile Seal Ring AS-118/21.89*2.62/AS-568 Durable NBR O Ring with Premium Quality Assurance

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 integration into automotive engines, fuel systems, and transmission systems, our O rings deliver peak performance, enhancing efficiency and longevity.

2. Industrial Machinery: Optimized for hydraulic presses, pumps, and compressors, these seals ensure seamless operation and high performance in demanding industrial settings.

3. Aerospace Field: Indispensable for aerospace applications, our O rings secure fuel tanks and hydraulic actuators, guaranteeing safety and dependability under extreme conditions.
4. Plumbing and Water Systems: Tailored for precision in faucets, valves, and pipe joints, they provide a robust and consistent seal, ensuring leak-free systems.

Key Configurations

Material:

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

AS-112
AS-568
Precision Level:

Our O rings are crafted with a keen focus on precision, boasting an ID tolerance of ±0.1 mm (±0.004 inches) for smaller sizes, while the CSD allows a variation of ±0.05 mm (±0.002 inches) for standard sizes, ensuring an impeccable fit and flawless function.

Application Photos

After Sales Service

Standard Warranty: Our unwavering commitment to quality is reflected in our extensive 12-month warranty, offering you complete peace of mind.

Timely Response and Technical Support: Our dedicated 24/7 customer service hotline ensures that our knowledgeable team is always ready to resolve any questions or concerns promptly and efficiently.

On-site Maintenance and Repair: For issues beyond remote resolution, our expert after-sales team is prepared to dispatch skilled technicians equipped with professional tools and spare parts to your location, ensuring swift and effective solutions.

Regular Follow-up and Customer Feedback Collection: We are committed to excellence beyond problem-solving. Our follow-up protocol ensures your product's optimal performance and your complete satisfaction with our service. We diligently collect customer feedback and suggestions, serving as a vital resource for the continuous enhancement of our offerings, enriching your overall experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. is a leading Chinese manufacturer, specializing in O-ring seal rubber products, with over 16 years of industry expertise. Proudly holding ISO 9001 and CE certifications, we export to over 50 countries, providing reliable products and services driven 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 shipment within an impressive 15–30 days. For those seeking customized solutions, we ensure a swift delivery timeframe of 30–45 days, tailored to your specific needs, guaranteeing efficiency and reliability.

Q: Do you provide after-sales service overseas?
A: Indeed, we proudly offer comprehensive after-sales services through our strategically positioned partnered service centers across key international regions, ensuring seamless support and peace of mind wherever you are, enhancing your experience with us.

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

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

Q: How do I place an order?
A: Simply reach out to us via email or phone to receive a personalized quote. Once satisfied, confirm your order with a Purchase Order (PO), and we will handle the rest with utmost efficiency, ensuring a seamless and satisfying purchasing experience.