20.22*3.53 NBR O Ring Seal - Custom Size and Color Variations

• Customization: Available
• Material: Customized
• Application: Multipurpose Use
• Model NO.: AS-211/20.22*3.53/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: -20~+220ºC
• 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

 20.22*3.53 NBR O Ring Seal - Custom Size and Color 

Our Custom High Precision O Ring Seals are a testament to superior craftsmanship, made with premium NBR (Nitrile Butadiene Rubber), ensuring exceptional durability and performance. Crafted to meet the rigorous demands of diverse applications, these seals boast exact dimensions of 20.22*3.53 in line with AS-211 standards, while also adhering to AS-568 norms. Available in the FKM-90 variant for varied requirements, the NBR material provides robust resistance to oil, fuel, and numerous chemicals, making it an adaptable solution for a wide array 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: Ideal for automotive engines, fuel systems, and transmission systems, providing reliable sealing solutions.

2. Industrial Machinery: Perfect for hydraulic presses, pumps, and compressors, ensuring efficient operation and longevity.

3. Aerospace Field: Suitable for fuel tanks and hydraulic actuators, offering high performance in demanding environments.
4. Plumbing and Water Systems: Designed for faucets, valves, and pipe joints, ensuring leak-proof functionality and reliability.

Key Configurations

Material:

NBR (Nitrile Butadiene Rubber) - Known for its excellent oil and chemical resistance.
FKM-90 (Fluorocarbon Rubber) - Offers superior heat and chemical resistance for specific applications.
Standards Compliance:

AS-112 - Ensures adherence to industry standards for quality and reliability.
AS-568 - Guarantees compatibility and performance across various applications.
Precision Level:

Achieving precision with an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes, and a CSD tolerance of ±0.05 mm or ±0.002 inches for standard sizes, ensuring utmost accuracy.

Application Photos

After Sales Service

Standard Warranty: A comprehensive 12-month warranty, assuring peace of mind and product reliability.

Timely Response and Technical Support: Our dedicated 24/7 customer service hotline ensures prompt assistance and expert guidance whenever needed.

On-site Maintenance and Repair: For complex issues that cannot be resolved remotely, our skilled technicians are ready to provide on-site maintenance and repair services, equipped with professional tools and spare parts.

Regular Follow-up and Customer Feedback Collection: We prioritize post-service engagement to ensure customer satisfaction and product performance, actively gathering feedback for continuous improvement of our products and services to enhance 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 prominent Chinese manufacturer of O-ring seal rubber products, boasting over 16 years of industry expertise. Certified with ISO 9001 and CE, our expansive reach extends to over 50 countries, providing dependable products and services, driven by R&D innovation 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 ready to be shipped within a swift 15–30 days, while customized units, crafted to your unique specifications, require a meticulous 30–45 days to ensure perfection.

Q: Do you provide after-sales service overseas?
A: Indeed, we have strategically partnered with service centers in key global regions to ensure your complete satisfaction and support, wherever you are.

Q: Can I request a customized bucket size?
A: Absolutely! We are delighted to offer tailored attachments to perfectly meet your specific needs and enhance your experience.

Q: What documents do you provide for export?
A: We provide a comprehensive export package, including the Commercial Invoice, Packing List, Bill of Lading, COC, and more, ensuring a smooth and hassle-free export process.

Q: How do I place an order?
A: Simply reach out to us via email or phone to receive a personalized quote, and confirm your order with a Purchase Order for a seamless transaction.