Tailored NBR O Ring as-019/20.35*1.78/as-568 with Unique Sizes and Custom Color Choices

• Customization: Available
• Material: Customized
• Application: Multipurpose Use
• Model NO.: AS-019/20.35*1.78/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: -40~+100ºC
• 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

Tailored NBR O Ring AS-019/20.35*1.78/AS-568 with Unique Sizes and Custom Color Choices

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 20.35*1.78 as per the AS-019 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.

Versatile Applications

1. Automotive Industry: Perfect for automotive engines, fuel systems, and transmission systems, ensuring optimal functionality.

2. Industrial Machinery: Ideal for hydraulic presses, pumps, and compressors, enhancing operational efficiency.

3. Aerospace Field: Engineered for use in fuel tanks and hydraulic actuators, ensuring reliability in critical environments.
4. Plumbing and Water Systems: Designed for faucets, valves, and pipe joints, providing leak-proof performance.

Key Configurations

Material Options:

NBR (Nitrile Butadiene Rubber) for robust and versatile applications.
FKM-90 (Fluorocarbon Rubber) for high-performance needs.
Standards Compliance:

AS-112 to ensure top-tier quality and reliability.
AS-568 for industry-standard excellence.
Precision Level:

Crafted with meticulous precision, featuring an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes, and a CSD tolerance of ±0.05 mm or ±0.002 inches for common sizes, ensuring impeccable fit and performance.

Application Photos

After Sales Service

Standard Warranty: A comprehensive 12-month warranty, guaranteeing peace of mind and customer satisfaction.

Timely Response and Technical Support: Our dedicated 24/7 customer service hotline is always ready to assist, offering expert guidance and support at any time.

On-site Maintenance and Repair: When remote solutions aren't feasible, our skilled after-sales service team swiftly dispatches technicians with advanced tools and spare parts to address issues on-site, ensuring seamless solutions.

Regular Follow-up and Customer Feedback Collection: Post-resolution, we consistently follow up to confirm product performance and customer satisfaction. Actively seeking feedback and suggestions, we leverage this valuable input to enhance our products and services, refining the overall customer experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. stands as a titan in the realm of O-ring seal rubber products, boasting over 16 years of expertise. With ISO 9001 and CE certifications, we pride ourselves on exporting to over 50 countries, offering products and services synonymous with reliability, driven by 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 a swift delivery time of 15–30 days. If you're opting for our customized units, please allow for a slightly extended period of 30–45 days to ensure they meet your exact specifications.

Q: Do you provide after-sales service overseas?
A: Indeed, we proudly offer exceptional after-sales service across the globe, thanks to our strategically partnered service centers located in key regions.

Q: Can I request a customized bucket size?
A: Absolutely! We specialize in offering tailored attachments that perfectly suit your specific needs and preferences, ensuring a bespoke solution just for you.

Q: What documents do you provide for export?
A: We provide a comprehensive export documentation package, including the Commercial Invoice, Packing List, Bill of Lading, COC, and more, to facilitate a smooth transaction.

Q: How do I place an order?
A: Simply reach out to us via email or phone to receive a detailed quote. Once satisfied, you can confirm your order with a purchase order (PO). We are here to assist you every step of the way.