20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available

Product Details
Customization: Available
Material: Customized
Application: Multipurpose Use
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  • 20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
  • 20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
  • 20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
  • 20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
  • 20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
  • 20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
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  • Overview
  • Product Description
  • Specification
  • Application Photos
  • After Sales Service
  • Company Profile
  • FAQ
Overview

Basic Info.

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

Packaging & Delivery

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 - Tailored Colors and Sizes Available
Experience unmatched quality with our Custom High Precision O Ring Seals, meticulously crafted using premium NBR (Nitrile Butadiene Rubber). This exceptional model stands out with its precision-engineered design, guaranteeing top-tier performance and durability. Tailored for diverse applications, it is engineered to meet stringent standards. With exact dimensions of 20.22*3.53 in accordance with the AS-211 and AS-568 standards, this model is also available in the versatile FKM-90 variant to cater to various needs. The NBR's superior resistance to oil, fuel, and a plethora of common chemicals makes it an indispensable choice for a multitude 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: Expertly designed for automotive engines, fuel systems, and transmission systems, ensuring optimal performance and longevity.
2. Industrial Machinery: Ideal for hydraulic presses, pumps, and compressors, delivering reliability and efficiency.
3. Aerospace Field: Perfect for fuel tanks and hydraulic actuators, enhancing safety and functionality.
4. Plumbing and Water Systems: Seamlessly suited for faucets, valves, and pipe joints, ensuring leak-proof operations.

Key Configurations
Material:
NBR (Nitrile Butadiene Rubber) – Known for its excellent oil and chemical resistance.
FKM-90 (Fluorocarbon Rubber) – Offers exceptional thermal and chemical stability.
Standards Compliance:
AS-112 – Adheres to industry-specific standards for precision and reliability.
AS-568 – Ensures compatibility and performance across various applications.
Precision Level:
Meticulously precise with ID tolerances of ±0.1 mm or ±0.004 inches for smaller sizes. Common CSD sizes maintain a specific tolerance of ±0.05 mm or ±0.002 inches.
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
Application Photos
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
After Sales Service
Standard Warranty: Enjoy peace of mind with our 12-month standard warranty.
Timely Response and Technical Support: Our 24/7 customer service hotline is always ready to provide prompt assistance and technical support.
On-site Maintenance and Repair: When remote solutions fall short, our expert after-sales service team is dispatched with specialized tools and spare parts, ensuring comprehensive on-site support.
Regular Follow-up and Customer Feedback Collection: Post-resolution, we conduct regular follow-ups to ensure product performance and customer satisfaction. We actively gather valuable customer feedback and suggestions to continually refine our products and services, enhancing the overall customer experience.
Company Profile
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. stands as a premier O-ring seal manufacturer in China, boasting over 16 years of industry expertise. With ISO 9001 and CE certifications, our products are trusted in over 50 countries, underpinned by our unwavering commitment to R&D innovation and stringent quality control.
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
Why Choose Us?
Other Products
We offer robust OEM/ODM capabilities, ensuring tailored solutions for your unique needs.
Benefit from our competitive pricing and attractive bulk discounts.
Experience hassle-free logistics with our fast shipping and customs clearance support.
Our turnkey project solutions provide seamless, end-to-end service for your projects.
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20.22*3.53 NBR O Ring Seal - Tailored Colors and Sizes Available
FAQ
Q: What's the lead time for orders?
A: Our standard models are ready to ship within 15–30 days, while customized units are crafted with care, requiring a lead time of 30–45 days.
Q: Do you provide after-sales service overseas?
A: Yes, indeed! We have strategically partnered service centers in key global regions to ensure seamless after-sales support.
Q: Can I request a customized bucket size?
A: Absolutely! We pride ourselves on providing tailored attachments to meet your specific needs.
Q: What documents do you provide for export?
A: We furnish a comprehensive export package including: Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and more to ensure a smooth export process.
Q: How do I place an order?
A: It's simple! Reach out to us via email or phone to receive a detailed quote, then confirm your order with a Purchase Order (PO) to proceed.

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