Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use

Product Details
Customization: Available
Material: Customized
Application: Multipurpose Use
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  • Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
  • Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
  • Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
  • Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
  • Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
  • Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
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  • Overview
  • Product Description
  • Specification
  • Application Photos
  • After Sales Service
  • Company Profile
  • FAQ
Overview

Basic Info.

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

Packaging & Delivery

Package Size
6.00cm * 6.00cm * 6.00cm
Package Gross Weight
2.000kg

Product Description

Product Description
Professional Grade Rubber NBR O Ring AS-019/20.35*1.78/AS-568 for Industrial Use 
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: suitable for automotive engines, fuel systems, and transmission systems.
2. Industrial Machinery: perfect for hydraulic presses, pumps, and compressors.
3. Aerospace Field: ideal for 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 tolerance for the CSD can have a specific allowable variation, such as around ±0.05 mm or ±0.002 inches for common sizes.
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Application Photos
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
After Sales Service
Standard Warranty: 12 months
Timely Response and Technical Support: We provide around-the-clock customer service through our 24/7 hotline, ensuring immediate assistance.
On-site Maintenance and Repair: For issues that cannot be solved remotely, our proficient after-sales service team will deploy skilled technicians equipped with professional tools and spare parts directly to the customer's location.
Regular Follow-up and Customer Feedback Collection: After resolving any issues, we diligently follow up to ensure the product's optimal performance and customer satisfaction. We proactively gather customer feedback and suggestions, using them as a crucial resource to refine and enhance our products and services, thereby elevating the overall customer experience.
Company Profile
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. stands at the forefront as a prominent Chinese manufacturer specializing in O-ring seal rubber products, with over 16 years of distinguished expertise. Holding certifications like ISO 9001 and CE, we proudly export to over 50 countries, delivering trustworthy products and services supported by cutting-edge R&D innovation and stringent quality control measures.
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
Why Choose Us?
Other Products
OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
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Professional Grade Rubber NBR O Ring as-019/20.35*1.78/as-568 for Industrial Use
FAQ
Q: What's the lead time for orders?
A: Our standard models are ready to ship swiftly within 15–30 days, while customized units, crafted precisely to your specifications, require a thoughtful and meticulous process of 30–45 days.
Q: Do you provide after-sales service overseas?
A: Yes, we have strategically partnered with service centers in key regions across the globe to ensure seamless after-sales support.
Q: Can I request a customized bucket size?
A: Absolutely! We specialize in offering tailored attachments to perfectly fit your unique needs.
Q: What documents do you provide for export?
A: We provide a comprehensive full export package including the Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and more, ensuring a smooth and efficient export process.
Q: How do I place an order?
A: Simply contact us via email or phone to receive a detailed quote, and then confirm your order with a Purchase Order (PO).

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