Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems

Product Details
Customization: Available
Material: Customized
Application: Multipurpose Use
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  • Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
  • Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
  • Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
  • Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
  • Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
  • Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
  • 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
Stable Property Standard NBR O Ring for Diverse Applications AS-019/20.35*1.78/AS-568 /NBR
Our Custom High Precision O Ring Seals are expertly crafted using top-tier materials, prominently featuring NBR (Nitrile Butadiene Rubber) for this specific model. Manufactured with unparalleled precision, these O ring seals promise exceptional performance and reliability. Designed to satisfy the stringent demands of varied applications, they boast specific dimensions of 20.35*1.78 in alignment with the AS-019 standard, also meeting the AS-568 standard. Additionally, they are available in the FKM-90 variant for diverse usage scenarios. NBR material provides excellent resistance to oil, fuel, and numerous common chemicals, making it a versatile selection for a broad spectrum of industrial and mechanical environments.
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: Perfect for automotive engines, fuel systems, and transmission systems.
2. Industrial Machinery: Ideal for hydraulic presses, pumps, and compressors.
3. Aerospace Field: Used in fuel tanks and hydraulic actuators.
4. Plumbing and Water Systems: Applicable in 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 of ±0.1 mm or ±0.004 inches for smaller sizes, with CSD tolerance variations around ±0.05 mm or ±0.002 inches for common sizes.
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Application Photos
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
After Sales Service
Standard Warranty: 12 months of coverage for your peace of mind.
Timely Response and Technical Support: Our 24/7 customer service hotline ensures you have access to immediate assistance whenever needed.
On-site Maintenance and Repair: If issues cannot be resolved remotely, our dedicated after-sales team will dispatch skilled technicians equipped with professional tools and spare parts directly to your location.
Regular Follow-up and Customer Feedback Collection: Post-resolution, we conduct regular follow-ups to confirm product performance and customer satisfaction. We actively gather feedback and suggestions to continually enhance our products and services, ensuring an exceptional customer experience.
Company Profile
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. stands as a premier Chinese manufacturer specializing in O-ring seal rubber products, boasting over 16 years of expertise. With ISO 9001 and CE certifications, our products reach over 50 countries. We pride ourselves on delivering dependable products and services, driven by R&D innovation and stringent quality control.
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
Why Choose Us?
Other Products
Benefit from our OEM/ODM capabilities.
Enjoy competitive pricing and attractive bulk discounts.
Experience fast shipping and customs clearance support.
We offer turnkey project solutions tailored to your needs.
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Premium Rubber O Ring Seal as-019/20.35*1.78/as-568 for Oil and Hydraulic Systems
FAQ
Q: What's the lead time for orders?
A: Standard models are dispatched swiftly within 15–30 days; for those seeking personalized solutions, customized units are crafted with precision and shipped in 30–45 days.
Q: Do you provide after-sales service overseas?
A: Yes, we have strategically partnered with service centers in key global regions to ensure seamless support.
Q: Can I request a customized bucket size?
A: Absolutely! We specialize in offering tailored attachments to meet your specific needs.
Q: What documents do you provide for export?
A: We deliver a comprehensive export package, which includes essential documents such as the Commercial Invoice, Packing List, Bill of Lading, Certificate of Conformity (COC), and more.
Q: How do I place an order?
A: Simply contact us via email or phone to receive a detailed quote, and confirm your order with a Purchase Order (PO) for a seamless transaction.

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