20.22*3.53 NBR O Ring Seal Standard Size High Performance

Product Details
Customization: Available
Material: Customized
Application: Multipurpose Use
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  • 20.22*3.53 NBR O Ring Seal Standard Size High Performance
  • 20.22*3.53 NBR O Ring Seal Standard Size High Performance
  • 20.22*3.53 NBR O Ring Seal Standard Size High Performance
  • 20.22*3.53 NBR O Ring Seal Standard Size High Performance
  • 20.22*3.53 NBR O Ring Seal Standard Size High Performance
  • 20.22*3.53 NBR O Ring Seal Standard Size High Performance
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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 Standard Size High Performance
Our Custom High Precision O Ring Seals, crafted with premium NBR (Nitrile Butadiene Rubber), exemplify top-tier quality and precision. This particular model is engineered to deliver superior performance and reliability, tailored to the stringent demands of various applications. Featuring exact dimensions of 20.22*3.53 in line with the AS-211 standard and also adhering to the AS-568 standard, these seals offer versatility with an available FKM-90 variant for alternative uses. The NBR material is renowned for its excellent resistance to oil, fuel, and other common chemicals, making it an ideal choice 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: Perfect for automotive engines, fuel systems, and transmission systems.
2. Industrial Machinery: Ideal for hydraulic presses, pumps, and compressors.
3. Aerospace Field: Suitable for fuel tanks and hydraulic actuators.
4. Plumbing and Water Systems: Great 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:
Offers a precision level with ID tolerances of ±0.1 mm or ±0.004 inches for smaller sizes. CSD tolerances are available with a specification of about ±0.05 mm or ±0.002 inches for common sizes.
20.22*3.53 NBR O Ring Seal Standard Size High Performance
Application Photos
20.22*3.53 NBR O Ring Seal Standard Size High Performance
20.22*3.53 NBR O Ring Seal Standard Size High Performance
20.22*3.53 NBR O Ring Seal Standard Size High Performance
After Sales Service
Standard Warranty: 12 months
Timely Response and Technical Support: Our dedicated 24/7 customer service hotline ensures prompt assistance.
On-site Maintenance and Repair: Should remote troubleshooting not suffice, our skilled after-sales service team is ready to deploy technicians with professional tools and spare parts directly to your location.
Regular Follow-up and Customer Feedback Collection: Post-resolution, we maintain consistent follow-up to ensure product functionality and customer satisfaction. Gathering customer feedback and suggestions is vital for us to continuously refine our products and services, enhancing the overall customer experience.
Company Profile
20.22*3.53 NBR O Ring Seal Standard Size High Performance
20.22*3.53 NBR O Ring Seal Standard Size High Performance
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. stands as a preeminent Chinese manufacturer with over 16 years of expertise in O-ring seal rubber products. ISO 9001 and CE certified, we proudly export to over 50 countries, delivering reliable products and services fueled by R&D innovation and stringent quality control.
20.22*3.53 NBR O Ring Seal Standard Size High Performance
20.22*3.53 NBR O Ring Seal Standard Size High Performance
20.22*3.53 NBR O Ring Seal Standard Size High Performance
Why Choose Us?
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20.22*3.53 NBR O Ring Seal Standard Size High Performance
FAQ
Q: What's the lead time for orders?
A: Our standard models are ready for dispatch within an efficient window of 15–30 days. For those seeking personalized solutions, our dedicated team ensures delivery in 30–45 days, providing the utmost attention to detail.
Q: Do you provide after-sales service overseas?
A: Indeed, we extend our exceptional after-sales service worldwide through our strategically partnered service centers located in key regions to best support you.
Q: Can I request a customized bucket size?
A: Absolutely! We specialize in customizing attachments to perfectly meet your unique requirements, ensuring a seamless fit and function.
Q: What documents do you provide for export?
A: We deliver a comprehensive export package that includes everything from the Commercial Invoice and Packing List to the Bill of Lading and COC, ensuring a smooth international transaction.
Q: How do I place an order?
A: To initiate your order, simply reach out to us via email or phone for an immediate quote. Once you're ready to proceed, confirm your purchase with a Purchase Order (PO) for a seamless transaction.

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