Reliable NBR O Ring Seal 20.22*3.53 - Customized to Your Needs

• 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

Reliable NBR O Ring Seal 20.22*3.53 - Customized to Your Needs

Our Custom High Precision O Ring Seals embody an unparalleled standard of excellence, meticulously crafted with premium NBR (Nitrile Butadiene Rubber). These seals promise superior performance and reliability, designed to meet diverse application demands with precision. Dimensioned at 20.22*3.53 following the AS-211 standard, and compliant with AS-568, they are also available in the durable FKM-90 variant, catering to varied usage scenarios. The NBR material excels in resisting oils, fuels, and an array of chemicals, making it an indispensable choice for numerous 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 automotive engines, fuel systems, and transmission systems, ensuring optimal performance.

2. Industrial Machinery: Perfect for hydraulic presses, pumps, and compressors, enhancing efficiency and durability.

3. Aerospace Field: Suitable for fuel tanks and hydraulic actuators, ensuring safety and reliability in critical applications.
4. Plumbing and Water Systems: Designed for faucets, valves, and pipe joints, providing leak-proof solutions.

Key Configurations

Material:

NBR (Nitrile Butadiene Rubber) - Known for its resilience and versatility.
FKM-90 (Fluorocarbon Rubber) - Offers exceptional chemical resistance.
Standards Compliance:

AS-112 - Ensuring adherence to stringent industry standards.
AS-568 - Guarantees compatibility and performance excellence.
Precision Level:

Crafted with precision: ID ±0.1 mm or ±0.004 inches for smaller sizes, and CSD tolerance around ±0.05 mm or ±0.002 inches, ensuring exactitude.

Application Photos

After Sales Service

Standard Warranty: 12 months of assured quality and peace of mind.

Timely Response and Technical Support: Our 24/7 customer service hotline is at your disposal, ensuring swift and efficient assistance.

On-site Maintenance and Repair: Our dedicated after-sales service team is ready to deploy, equipped with the necessary tools and parts to resolve issues directly on-site when remote solutions are insufficient.

Regular Follow-up and Customer Feedback Collection: Post-resolution, we conduct regular check-ins to ensure continued product performance and customer satisfaction. We actively gather feedback and suggestions, which are crucial in our ongoing efforts to refine and enhance our products and services, ultimately elevating the 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, boasting over 16 years of expertise in O-ring seal rubber products. With ISO 9001 and CE certifications, we serve over 50 countries, delivering top-tier products and services underpinned 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: Our standard models are prepared for prompt shipping, typically within a swift 15 to 30 days. For those seeking a more personalized touch, our customized units are crafted with precision and will be ready for dispatch within an accommodating 30 to 45 days.

Q: Do you provide after-sales service overseas?
A: Yes, we ensure peace of mind with our robust after-sales service, thanks to our strategically partnered service centers located in key regions across the globe.

Q: Can I request a customized bucket size?
A: Absolutely! At Shanghai Dongzhiding Rubber & Plastic Technology Co., Ltd, we are committed to meeting your unique needs by offering tailored attachments that fit your specific requirements flawlessly.

Q: What documents do you provide for export?
A: Our comprehensive export package includes all necessary documentation to ensure a seamless transaction, featuring a Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and more.

Q: How do I place an order?
A: To place an order, simply reach out to us via email or phone to receive a tailored quote. Once satisfied, confirm your purchase by submitting a Purchase Order (PO), and let us handle the rest with our dedicated service.