Premium Customized Color NBR O Ring Seal 20.22*3.53

• 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

Custom High Precision O Ring Seals NBR Seal for Diverse Applications AS-211/20.22*3.53/AS-568 /NBR

Our Custom High Precision O Ring Seals are meticulously crafted from top-tier materials, showcasing NBR (Nitrile Butadiene Rubber) for this exceptional model. Manufactured with unparalleled precision, these O ring seals guarantee superior performance and unwavering reliability. They are engineered to meet the stringent demands of various applications. With precise dimensions of 20.22*3.53 adhering to the AS-211 standard and compliant with the AS-568 standard, these seals are also available in a robust FKM-90 variant for diverse usage scenarios. NBR material excels in resisting oil, fuel, and other prevalent chemicals, making it an adaptable solution for a broad spectrum of industrial and mechanical environments.

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 integration in automotive engines, fuel systems, and transmission systems

2. Industrial Machinery: Perfect for use in hydraulic presses, pumps, and compressors

3. Aerospace Field: Suitable for fuel tanks and hydraulic actuators.
4. Plumbing and Water Systems: Essential for faucets, valves, and pipe joints

Key Configurations

Material:

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

AS-112
AS-568
Precision Level:

ID ±0.1 mm or ±0.004 inches for smaller sizes. The CSD tolerance may also allow specific variation, approximately ±0.05 mm or ±0.002 inches for standard sizes.

Application Photos

After Sales Service

Standard Warranty: 12 months of reliable warranty coverage

Timely Response and Technical Support: Our 24/7 customer service hotline is always available to assist you.

On-site Maintenance and Repair: If remote solutions are insufficient, our skilled after-sales service team will deploy technicians with expert tools and spare parts directly to your location.

Regular Follow-up and Customer Feedback Collection: Post-resolution, we ensure regular follow-ups to monitor product performance and customer satisfaction. We actively gather feedback and suggestions, which are invaluable for optimizing 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 premier Chinese manufacturer of O-ring seal rubber products, boasting over 16 years of specialized expertise. With ISO 9001 and CE certifications, we proudly export to 50+ countries, delivering dependable products and services driven 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: Standard models are ready to ship in 15–30 days; custom units require 30–45 days for precise craftsmanship.

Q: Do you provide after-sales service overseas?
A: Yes, we proudly collaborate with service centers strategically located across key regions to ensure seamless support for our esteemed international clients.

Q: Can I request a customized bucket size?
A: Absolutely! We are delighted to offer tailored attachments to meet your specific needs, providing you with the perfect solution every time.

Q: What documents do you provide for export?
A: We offer a comprehensive export package, including a Commercial Invoice, Packing List, Bill of Lading, COC, and more, ensuring a smooth and efficient international shipping process.

Q: How do I place an order?
A: Simply reach out to us via email or phone to receive a detailed quote. Once satisfied, you can proceed by confirming your order with a Purchase Order (PO), and we'll handle the rest.