Products Description
Precision Seals for Industrial, Automotive, and Hydraulic Applications
SAE AS568 O-Rings are manufactured according to the American Standard AS568 sizing system, providing precise, consistent dimensions for reliable sealing in industrial, automotive, hydraulic, and pneumatic applications. These O-rings are widely recognized in North America and globally for their standardized dimensions, ensuring interchangeability and compatibility across different equipment and manufacturers.
Key Advantages of AS568 Standardization:
Uniform cross-section, inner diameter, and outer diameter dimensions
Easy replacement and compatibility with metric or custom fittings
Widely recognized standard for engineering, procurement, and maintenance
Key Features
- Standardized Sizes: Conforms to SAE AS568A dimensions for reliable interchangeability
- Material Options: NBR, EPDM, FKM, Silicone, HNBR, and specialty compounds
- Hardness Range: 20–95 Shore A, depending on material and application
- Temperature Resistance: -50°C ~ +250°C (material-dependent)
- Chemical Resistance: Oils, fuels, water, mild acids, alkalis, and some solvents
- Customizable: Colors, hardness, and surface treatments available for OEM requirements
- High Precision Manufacturing: Tight tolerances for consistent sealing and performance
Advantages of SAE AS568 O-Rings
- Global Standardization: Easy replacement, interchangeability, and compatibility
- Reliable Sealing: Suitable for static and dynamic applications
- Versatile Material Selection: Designed for oils, fuels, water, steam, and chemicals
- Durable Performance: High resistance to heat, pressure, ozone, and aging
- OEM & Bulk Production Friendly: Large-scale production with consistent quality
- Engineering Support: Assistance in material selection and custom design
Material Comparison Table
|
Feature / Material |
NBR |
FKM (Viton®) |
EPDM |
Silicone |
HNBR |
|
Hardness (Shore A) |
30–90 |
50–90 |
40–90 |
5–90 |
50–90 |
|
Temp Range |
-40°C ~ +120°C |
-20°C ~ +250°C |
-50°C ~ +150°C |
-60°C ~ +230°C |
-40°C ~ +150°C |
|
Key Features |
Oil/fuel/grease resistance; good mechanical properties |
Heat, chemical, oil resistance |
Weather, ozone, water, steam resistance |
Flexibility, wide temp, food-grade options |
Heat, oil, chemical resistance, aging resistance |
|
Advantages |
Affordable, versatile, good wear resistance |
Excellent high-temp and chemical resistance |
Excellent outdoor & water system performance |
Excellent low/high temp performance, food-safe |
Superior durability and mechanical properties |
|
Limitations |
Poor ozone/weather resistance |
Expensive, harder to process |
Poor oil/fuel resistance |
Low mechanical strength, expensive |
Cost higher than NBR |
|
Typical Applications |
Automotive seals, hydraulic systems, general machinery |
High-temp automotive, aerospace, chemical industry |
Plumbing, water systems, HVAC, outdoor sealing |
Food & beverage, medical, electrical insulation, extreme temp |
Automotive, industrial hydraulics, oil & gas sealing |
O Ring Applications
They provide reliable sealing performance without deformation or leakage.
Typical Applications:
Plumbing systems: Prevent water leakage in joints and pipes.
Machinery & equipment: Used for hydraulic and pneumatic sealing.
Automotive parts: Suitable for engine, fuel, and brake systems.
Home & garden tools: Replacement parts for Bunnings machinery and DIY projects.
Products Advantages
1. Long Service Life
The combination of high elasticity and chemical resistance ensures stable performance and minimal degradation over time, significantly extending equipment life.
2. Superior Sealing Effect
Even under high pressure and extreme temperature changes, Viton O-rings maintain tight sealing, effectively preventing leakage and reducing maintenance costs.
3. Environmentally Friendly Production
All materials comply with RoHS and REACH standards, ensuring environmental safety during use.
Why Choose US ?
1.10,000+ Molds Available – Extensive mold library to meet diverse size and material requirements.
2.No MOQ, Starts from One Piece – Flexible customization from sample testing to bulk production.
3. In-Stock Inventory - Standard sizes in stock, ensuring quick shipment, Fast Global Delivery
Focus on Quality
•Precise inspection, zero-defect quality, ensuring both delivery time and quality.
•Meets the 125/1008H high-temperature aging test requirements of the new energy industry;
•Withstands commercial cleaner (Alcohols, Alkalis, Oils) test requirements.
Packing & Delivery
|
MOQ |
1 pcs |
|
Lead Time |
- In stock: Shipped within 3 days |
|
Port |
China Xiamen |
|
Shipping Methods |
Express (DHL, FedEx, UPS), Air, or Sea |
|
Sample Policy |
Samples available; customer should pay freight cost |
Qualification Certificate
Contact US：
Xiamen Best Seal Imp and Exp Co.,Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email: yunying2@bestsealhk.com
Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
Why choose us?
- Our Solid O-ring products are subject to rigorous testing to ensure optimal performance.
- Our Sae As568 American Standard O Ring Sizes have complete testing equipment and fine manufacturing.
- We collaborate with our clients to understand their specific Solid O-ring needs and deliver customized solutions.
- Our company adhering to the 'sincere dedication, customer first' service tenet, care about every customer demand, from your inquiry, until you adopt the company's products, we will continue to provide you with perfect service.
- We offer our customers a wide range of Solid O-ring products to choose from.
- Our company has a strong R&D team, excellent technical production personnel, and scientific and perfect management methods to provide customers with fast and convenient services.
- We have a skilled team of professionals who offer excellent customer support for our Solid O-ring products.
- Quality oriented, providing excellent Sae As568 American Standard O Ring Sizes and perfect service is our promise to you.
- We are dedicated to providing our customers with top-quality Solid O-ring products and services.
- We aim at the achievement of a richer mind and body and the living for Sae As568 American Standard O Ring Sizes.
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