Durable NBR O Ring as-213/23.39*3.53/as-568 Efficient Seal Ring for Industrial Use

• Customization: Available
• Material: Customized
• Application: Multipurpose Use
• Model NO.: AS-213/23.39*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

Durable NBR O Ring AS-213/23.39*3.53/AS-568 Efficient Seal Ring for Industrial Use

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 23.39*3.53 as per the AS-213 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 crafted for automotive engines, fuel systems, and transmission systems, ensuring seamless performance.

2. Industrial Machinery: Perfect for hydraulic presses, pumps, and compressors, offering reliable sealing solutions.

3. Aerospace Field: Ideal for fuel tanks and hydraulic actuators, providing dependable performance under pressure.
4. Plumbing and Water Systems: Exceptional sealing for faucets, valves, and pipe joints, ensuring leak-proof operations.

Key Configurations

Material:

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

AS-112
AS-568
Precision Level:

Achieve unmatched precision with an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes. The CSD tolerance is specifically set at approximately ±0.05 mm or ±0.002 inches for standard sizes, ensuring exactness in every application.

Application Photos

After Sales Service

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

Timely Response and Technical Support: Experience unparalleled support with our dedicated 24/7 customer service hotline, ensuring your inquiries are addressed promptly.

On-site Maintenance and Repair: When remote solutions are insufficient, our expert after-sales service team deploys skilled technicians equipped with professional tools and spare parts directly to your location, ensuring swift resolution.

Regular Follow-up and Customer Feedback Collection: After resolving any issues, we conduct regular follow-ups to assess product functionality and satisfaction levels. We actively gather customer feedback and suggestions, which serve as a crucial reference for continuous enhancement, elevating the customer experience to new heights.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. is a leading Chinese manufacturer of O-ring seal rubber products, boasting over 16 years of industry expertise. Accredited with ISO 9001 and CE certifications, we proudly export to over 50 countries, offering 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: Enjoy swift shipping within 15 to 30 days for our standard models. For customized units, please allow 30 to 45 days as we meticulously ensure every detail meets your exact specifications.

Q: Do you provide after-sales service overseas?
A: Yes, indeed! We have established strategic partnerships with service centers strategically located in key regions worldwide. This ensures we deliver seamless and responsive after-sales support to all our esteemed international clients, enhancing their satisfaction and trust in our brand.

Q: Can I request a customized bucket size?
A: Absolutely! We take pride in offering tailored attachments that are expertly customized to perfectly meet your specific requirements, ensuring they deliver optimal performance and unmatched satisfaction.

Q: What documents do you provide for export?
A: Our comprehensive export package is designed to streamline your international shipping experience. It includes all the essential documents such as the Commercial Invoice, Packing List, Bill of Lading, Certificate of Compliance (COC), and more, ensuring a smooth, efficient, and hassle-free process.

Q: How do I place an order?
A: Placing an order is simple and straightforward. Contact us via email or phone to receive a detailed and personalized quote. Once you're completely satisfied, confirm your purchase with a Purchase Order (PO) to smoothly initiate the process and get your order underway.