Versatile Customized NBR O Ring Seal as-019/20.35*1.78/as-568 for All Industrial Needs

• 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

Versatile Customized NBR O Ring Seal AS-019/20.35*1.78/AS-568 for All Industrial Needs

Our Custom High Precision O Ring Seals are meticulously crafted using premium-grade materials, prominently featuring NBR (Nitrile Butadiene Rubber) for this distinct model. The precision involved in manufacturing these O ring seals is unparalleled, ensuring supreme performance and unwavering reliability. They are engineered to meet the stringent demands of diverse applications. With precise dimensions of 20.35*1.78 according to the AS-019 standard and adhering to the AS-568 standard, these seals are also available in the FKM-90 variant for varied usage scenarios. The NBR material provides exceptional resistance to oil, fuel, and numerous common chemicals, making it an adaptable choice for a vast array of industrial and mechanical applications.

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: Perfectly suited for hydraulic presses, pumps, and compressors.

3. Aerospace Field: Designed for use in fuel tanks and hydraulic actuators.
4. Plumbing and Water Systems: Applicable 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 precision: ±0.1 mm or ±0.004 inches for smaller sizes. The CSD tolerance also allows for a specific variation, approximately ±0.05 mm or ±0.002 inches for common sizes.

Application Photos

After Sales Service

Standard Warranty: 12 months warranty for peace of mind.

Timely Response and Technical Support: We offer a dedicated 24/7 customer service hotline to cater to all your needs.

On-site Maintenance and Repair: For issues that cannot be resolved remotely, our after-sales team will deploy skilled 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 performance and customer satisfaction. We actively gather customer feedback and suggestions, which serve as crucial input for us to continually enhance our products and services, thus elevating 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 premier Chinese manufacturer of O-ring seal rubber products, boasting over 16 years of expertise. ISO 9001 and CE certified, we proudly export to over 50 countries, offering dependable products and services bolstered by R&D innovation and stringent quality controls.

Why Choose Us?

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OEM/ODM capabilities tailored to your needs.
Competitive pricing with attractive bulk discounts.
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FAQ

Q: What's the lead time for orders?
A: For our standard models, you can expect a swift shipping timeframe of 15–30 days. If you're opting for a customized unit, please allow for an extended delivery period of 30–45 days to accommodate your bespoke requirements.

Q: Do you provide after-sales service overseas?
A: Yes, indeed! We have established partnered service centers strategically located in key regions to ensure that our esteemed international clients receive prompt and efficient after-sales support.

Q: Can I request a customized bucket size?
A: Absolutely! We specialize in delivering tailored attachments to meet your specific requirements, ensuring optimal performance and satisfaction.

Q: What documents do you provide for export?
A: We provide a comprehensive full export package which includes all necessary documentation such as the Commercial Invoice, Packing List, Bill of Lading, COC, etc., to facilitate a seamless export process.

Q: How do I place an order?
A: To place an order, 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) to initiate the process.