Quality NBR O Ring Seal as-019/20.35*1.78/as-568 for Versatile Rubber Product Applications

• 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

Quality NBR O Ring Seal AS-019/20.35*1.78/AS-568 for Versatile Rubber Product Applications

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.

Applications

1. Automotive Industry: Ideal for automotive engines, fuel systems, and transmission systems.

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

3. Aerospace Field: Suitable for use in fuel tanks and hydraulic actuators.
4. Plumbing and Water Systems: Excellent 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:

ID ±0.1 mm or ±0.004 inches for smaller sizes. The CSD tolerance also allows for specific variation, approximately ±0.05 mm or ±0.002 inches for common sizes.

Application Photos

After Sales Service

Standard Warranty: 12 months

Timely Response and Technical Support: We provide a 24/7 customer service hotline to ensure prompt assistance.

On-site Maintenance and Repair: If a problem cannot be resolved remotely, our after-sales service team will dispatch skilled technicians with professional tools and spare parts directly to the customer's location.

Regular Follow-up and Customer Feedback Collection: After resolving a customer's issue, we conduct regular follow-ups to ensure the product functions correctly and customer satisfaction is achieved. We actively collect customer feedback and suggestions, which serve as a vital reference for the continuous optimization of our products and services, enhancing the overall customer experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. is a prestigious Chinese manufacturer specializing in O-ring seal rubber products, boasting over 16 years of expertise. With certifications including ISO 9001 and CE, we proudly export to over 50 countries, delivering dependable products and services powered 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: Standard models are shipped within 15–30 days while customized units take 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, indeed! We have strategically partnered with service centers in key regions worldwide to ensure you receive exceptional after-sales support, no matter where you are.

Q: Can I request a customized bucket size?
A: Absolutely! We pride ourselves on flexibility and innovation, offering tailored attachments and solutions to meet your specific needs and preferences.

Q: What documents do you provide for export?
A: We provide a comprehensive export package, including a Commercial Invoice, Packing List, Bill of Lading, COC, and more, ensuring a seamless and hassle-free export process.

Q: How do I place an order?
A: Placing an order is simple! Reach out to us via email or phone to get a detailed quote. Once you're satisfied, confirm your order with a Purchase Order (PO), and we'll take care of the rest!