Customizable NBR Seal O Ring as-019/20.35*1.78/as-568 for Enhanced Hydraulic Seal Solutions

• 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

Customizable NBR Seal O Ring AS-019/20.35*1.78/AS-568 for Enhanced Hydraulic Seal Solutions

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, offering unparalleled durability and efficiency.

2. Industrial Machinery: Perfect for hydraulic presses, pumps, and compressors, ensuring seamless operation and maintenance.

3. Aerospace Field: Engineered for fuel tanks and hydraulic actuators, ensuring safety and reliability in high-stakes environments.
4. Plumbing and Water Systems: Designed for faucets, valves, and pipe joints, guaranteeing leak-proof and long-lasting performance.

Key Configurations

Material:

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

AS-112
AS-568
Precision Level:

Achieving meticulous precision with ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes, and CSD tolerance around ±0.05 mm or ±0.002 inches for standard sizes.

Application Photos

After Sales Service

Standard Warranty: 12 months

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

On-site Maintenance and Repair: For issues unsolvable remotely, our team dispatches skilled technicians with professional tools and spare parts directly to your location.

Regular Follow-up and Customer Feedback Collection: Post-resolution, we conduct routine follow-ups to confirm product performance and customer satisfaction. We actively seek customer feedback and suggestions, integrating this valuable input to enhance our products and services, ensuring an outstanding 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 extend our reliable products and innovative services to over 50 countries, underpinned by stringent quality control and cutting-edge R&D.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

HNBY RUBBER SEAL

SIL SILICON RUBBER SEAL

EPDM RUBBER SEAL

METAL RUBBER SEA

FAQ

Q: What's the lead time for orders?
A: Our standard models are carefully crafted and typically ship within an efficient timeframe of 15–30 days. For those seeking the perfect bespoke solution, our customized units are designed with precision and require a thoughtful production period of 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, indeed! We have established strategic partnerships with service centers in pivotal regions around the globe, ensuring comprehensive after-sales support.

Q: Can I request a customized bucket size?
A: Absolutely! We pride ourselves on offering tailored attachments meticulously designed to meet your specific requirements, ensuring maximum efficiency and compatibility.

Q: What documents do you provide for export?
A: We provide a comprehensive full export package including essential documents such as the Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and more, to ensure smooth and hassle-free international shipping.

Q: How do I place an order?
A: To initiate your order, simply reach out to us via email or phone to receive a detailed quote. Once you have reviewed and are satisfied, you can confirm your order by submitting a Purchase Order (PO).