Premium 20.22*3.53 NBR O Ring Seal with Custom Options

• 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

Premium 20.22*3.53 NBR O Ring Seal with Custom Options

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 20.22*3.53 as per the AS-211 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 designed for automotive engines, fuel systems, and transmission systems.

2. Industrial Machinery: Perfect for hydraulic presses, pumps, and compressors, ensuring optimal functionality.

3. Aerospace Field: Ideal for use in fuel tanks and hydraulic actuators, providing reliable sealing solutions.
4. Plumbing and Water Systems: Efficiently applied in faucets, valves, and pipe joints for superior performance.

Key Configurations

Material:

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

AS-112
AS-568
Precision Level:

Offering an impressive ID precision of ±0.1 mm or ±0.004 inches for smaller sizes. For CSD, the tolerance is around ±0.05 mm or ±0.002 inches for common sizes.

Application Photos

After Sales Service

Standard Warranty: Enjoy peace of mind with our 12-month warranty.

Timely Response and Technical Support: We provide a 24/7 customer service hotline to address your needs promptly.

On-site Maintenance and Repair: Our expert team is ready to provide on-site maintenance and repair, equipped with professional tools and spare parts when remote solutions are not feasible.

Regular Follow-up and Customer Feedback Collection: We are committed to customer satisfaction through regular follow-ups and feedback collection, using insights to enhance our products and services for an enriched 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 with over 16 years of expertise in O-ring seal rubber products. Certified by ISO 9001 and CE, we proudly export to over 50 countries, offering products and services rooted in R&D innovation and stringent quality control.

Why Choose Us?

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FAQ

Q: What's the lead time for orders?
A: For our standard models, you can expect shipment within a swift 15–30 days. However, if you require a touch of personalization and opt for our customized units, please allow a thoughtful crafting period of 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, indeed! We have strategically established partnered service centers across key regions globally to ensure seamless after-sales service for our valued international clients.

Q: Can I request a customized bucket size?
A: Absolutely! We take pride in offering bespoke solutions with our tailored attachments to meet your unique specifications and needs.

Q: What documents do you provide for export?
A: We provide a comprehensive export package that includes essential documents such as the Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and more to ensure a smooth and compliant export process.

Q: How do I place an order?
A: Simply reach out to us via email or phone to receive a detailed quote. Once you're ready to proceed, confirm your order by sending a Purchase Order (PO), and we'll take care of the rest!