Reliable Rubber Seal as-118/21.89*2.62/as-568 Custom NBR O Ring for Various Applications and Needs

• Customization: Available
• Material: Customized
• Application: Multipurpose Use
• Model NO.: AS-118/21.89*2.62/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

Reliable Rubber Seal AS-118/21.89*2.62/AS-568 Custom NBR O Ring for Various Applications and Needs

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 21.89*2.62 as per the AS-118 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: Designed for excellence in automotive engines, fuel systems, and transmissions, these O rings deliver peak performance seamlessly.

2. Industrial Machinery: Perfect for hydraulic presses, pumps, and compressors, these seals ensure smooth and efficient operations.

3. Aerospace Field: Crucial for fuel tanks and hydraulic actuators, providing unrivaled safety and reliability.
4. Plumbing and Water Systems: Ideal for faucets, valves, and pipe joints, delivering dependable sealing solutions.

Key Configurations

Material:

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

AS-112
AS-568
Precision Level:

Our O ring seals exhibit exceptional precision, with an ID tolerance of ±0.1 mm (±0.004 inches) for smaller sizes. The CSD ensures a precise fit with an allowable variation of ±0.05 mm (±0.002 inches) for standard sizes, guaranteeing optimal fit and functionality.

Application Photos

After Sales Service

Standard Warranty: Feel confident with our extensive 12-month warranty, highlighting our unwavering commitment to quality and customer satisfaction.

Experience exceptional service with our 24/7 customer service hotline, ensuring our dedicated team is always ready to assist with any queries or concerns you may have.

On-site Maintenance and Repair: Should remote resolution be insufficient, our team of skilled technicians is prepared to provide on-site service, equipped with professional tools and parts to deliver prompt and effective solutions.

Regular Follow-up and Customer Feedback Collection: Our dedication to excellence continues with regular follow-ups, ensuring optimal product performance and complete customer satisfaction. We actively seek customer feedback and suggestions, using them to continuously refine and enhance our products and services, thus enriching the overall customer experience.

Company Profile

Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.

Shanghai Dongzhiding Rubber & Plastic Technology Co., Ltd. is a leading Chinese manufacturer of O-ring seal rubber products, backed by over 16 years of industry expertise. With ISO 9001 and CE certifications, we proudly export to over 50 countries, delivering reliable products and services driven by innovative R&D and stringent quality control measures.

Why Choose Us?

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FAQ

Q: What's the lead time for orders?
A: Our standard models are on standby for a swift dispatch within an impressive 15–30 days. For those seeking a bespoke touch, our customized solutions promise a tailored delivery window of 30–45 days, crafted to meet your unique specifications.

Q: Do you provide after-sales service overseas?
A: Absolutely, we are committed to delivering exceptional after-sales support globally through our strategically located partnered service centers. These centers, positioned in key international regions, ensure you receive seamless assistance, no matter where your operations take you.

Q: Can I request a customized bucket size?
A: Certainly! We are experts in crafting bespoke attachments that are precisely tailored to your specific needs, guaranteeing a perfect fit and enhancing your equipment's performance to its full potential.

Q: What documents do you provide for export?
A: We furnish a comprehensive export documentation package, featuring crucial documents like the Commercial Invoice, Packing List, Bill of Lading, Certificate of Compliance (COC), and more, all designed to ensure your international dealings proceed smoothly and without a hitch.

Q: How do I place an order?
A: Initiate the process by contacting us via email or phone for a tailored quote. Once you are satisfied, solidify your order with a Purchase Order (PO), and rest assured as we manage the subsequent steps with maximum efficiency and professionalism.