Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features

Product Details
Customization: Available
Material: Customized
Application: Multipurpose Use
Still deciding? Get samples of $ !
Order Sample
Shipping & Policy
Shipping Cost: Contact the supplier about freight and estimated delivery time.
Payment Methods:
visa mastercard discover JCB diners club american express T/T
PIX SPEI OXXO PSE OZOW PayPal
  Support payments in USD
Secure payments: Every payment you make on Made-in-China.com is protected by the platform.
Refund policy: Claim a refund if your order doesn't ship, is missing, or arrives with product issues.
Secured Trading Service
Diamond Member Since 2025

Suppliers with verified business licenses

Audited Supplier Audited Supplier

Audited by an independent third-party inspection agency

to see all verified strength labels (12)
  • Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
  • Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
  • Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
  • Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
  • Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
  • Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Find Similar Products
  • 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
Reliable NBR O Ring Rubber Seal AS-019/20.35*1.78/AS-568 with OEM/ODM Customized Size Features
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 20.32*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: Our seals are integral to automotive engines, fuel systems, and transmission systems, ensuring reliable performance.
2. Industrial Machinery: Designed for hydraulic presses, pumps, and compressors, our seals enhance efficiency and longevity.
3. Aerospace Field: Essential in fuel tanks and hydraulic actuators, our seals provide unmatched reliability.
4. Plumbing and Water Systems: Our seals ensure leak-proof performance 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:
Our products boast a precision level with an ID tolerance of ±0.1 mm or ±0.004 inches for smaller sizes, and a CSD tolerance allowing for ±0.05 mm or ±0.002 inches for standard sizes.
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Application Photos
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
After Sales Service
Standard Warranty: We offer a comprehensive 12-month warranty, ensuring peace of mind and product assurance.
Timely Response and Technical Support: We have a dedicated 24/7 customer service hotline ready to assist you.
On-site Maintenance and Repair: For issues that can't be resolved remotely, our expert after-sales team will provide on-site support, equipped with professional tools and spare parts.
Regular Follow-up and Customer Feedback Collection: Post-resolution, we conduct regular follow-ups to ensure product performance and customer satisfaction. We actively gather feedback to drive product and service improvements, enhancing the customer experience.
Company Profile
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
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. Certified with ISO 9001 and CE, we proudly export to over 50 countries. Our offerings are backed by cutting-edge R&D innovation and stringent quality control, ensuring reliability and excellence.
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
Why Choose Us?
Other Products
We offer OEM/ODM capabilities to tailor products to your specific needs.
Enjoy competitive pricing and generous bulk discounts, maximizing value.
Benefit from rapid shipping and comprehensive customs clearance support.
We provide turnkey project solutions, ensuring seamless implementation.
HNBY RUBBER SEAL
SIL SILICON RUBBER SEAL
EPDM RUBBER SEAL
METAL RUBBER SEA
Reliable NBR O Ring Rubber Seal as-019/20.35*1.78/as-568 with OEM/ODM Customized Size Features
FAQ
Q: What's the lead time for orders?
A: Standard models are shipped within 15–30 days, while customized units require 30–45 days for delivery.
Q: Do you provide after-sales service overseas?
A: Indeed, we have established partnered service centers strategically located in key regions to ensure comprehensive support.
Q: Can I request a customized bucket size?
A: Absolutely! We proudly offer tailored attachments to meet your specific needs.
Q: What documents do you provide for export?
A: We provide a comprehensive export package including a 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 for a detailed quote, then confirm your order with a Purchase Order (PO) to proceed.

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now