High Grade NBR O Ring Seal as-019/20.35*1.78/as-568 for Oil and Gas 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

High Grade NBR O Ring Seal  AS-019/20.35*1.78/AS-568 for Oil and Gas 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: Our O Ring Seals excel in automotive engines, fuel systems, and transmission systems, ensuring seamless operation and enhanced durability.

2. Industrial Machinery: Experience superior performance in hydraulic presses, pumps, and compressors with our O Ring Seals, designed for optimal efficiency.

3. Aerospace Field: Our seals guarantee reliability and safety in critical aerospace components such as fuel tanks and hydraulic actuators.
4. Plumbing and Water Systems: Designed for optimal sealing in faucets, valves, and pipe joints, our O Ring Seals ensure leak-free performance in plumbing systems.

Key Configurations

Material:

NBR (Nitrile Butadiene Rubber), offering exceptional resistance to oils and chemicals.
FKM-90 (Fluorocarbon Rubber), ideal for high-temperature applications and chemical resistance.
Standards Compliance:

AS-112, ensuring adherence to industry norms and quality benchmarks.
AS-568, guaranteeing compatibility and reliability across applications.
Precision Level:

Manufactured with meticulous precision, our O Rings feature an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes. The CSD tolerances are also precisely controlled, with variations around ±0.05 mm or ±0.002 inches for common sizes.

Application Photos

After Sales Service

Standard Warranty: Comprehensive 12-month warranty, ensuring peace of mind and product reliability.

Timely Response and Technical Support: Our dedicated 24/7 customer service hotline ensures immediate assistance and reliable technical support.

On-site Maintenance and Repair: For issues that cannot be resolved remotely, our expert after-sales service team is ready to dispatch technicians equipped with professional tools and spare parts directly to your site.

Regular Follow-up and Customer Feedback Collection: Post-resolution, we conduct regular follow-ups to ensure product efficacy and customer satisfaction. We actively solicit feedback and suggestions, which serve as a vital resource for ongoing product and service enhancements, ensuring an elevated customer experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. stands as a prestigious leader in the Chinese market, with over 16 years of specialized expertise in manufacturing O-ring seal rubber products. Our commitment to quality is affirmed by our ISO 9001 and CE certifications. We proudly export to over 50 countries, offering dependable products and services, driven by continuous R&D innovation and stringent quality control measures.

Why Choose Us?

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FAQ

Q: What's the lead time for orders?
A: For your convenience, our standard models are typically ready to ship within 15–30 days, ensuring prompt delivery. For those seeking customized units, please allow us 30–45 days to meticulously craft and prepare your bespoke order.

Q: Do you provide after-sales service overseas?
A: Indeed, we extend our dedicated after-sales support internationally, with partnered service centers strategically located in key regions to cater to your needs swiftly and efficiently.

Q: Can I request a customized bucket size?
A: Absolutely! We are delighted to offer tailored attachments, ensuring that your specific requirements are met to perfection, enhancing the functionality and performance of your equipment.

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, Certificate of Conformity (COC), and any other necessary documentation to ensure a smooth and compliant export process.

Q: How do I place an order?
A: Initiating an order is simple! Reach out to us via email or phone to receive a detailed quote. Once you review and approve the quote, you can confirm your order by submitting a Purchase Order (PO).