In the world of industrial components, O-rings play a crucial role in ensuring the efficiency and reliability of various systems. The 17×2 O-ring, specifically, is widely used in numerous applications, from automotive to aerospace. Understanding its specifications, materials, and applications is essential for engineers and manufacturers alike.
This guide delves into the intricacies of the 17×2 O-ring in China, exploring its manufacturing processes, quality standards, and market trends. Readers will gain insights into the best practices for selection and maintenance, ensuring optimal performance in their projects.
Additionally, we will discuss the challenges faced in sourcing and producing O-rings in China, including material availability and compliance with international standards. By the end of this guide, readers will be equipped with the knowledge to make informed decisions regarding O-ring applications and procurement.
Comprehensive Guide to O-Rings: Understanding the 17×2 Size
O-rings are essential components in various industries, providing reliable sealing solutions for a multitude of applications. Among the many sizes available, the 17×2 O-ring is particularly notable for its versatility and effectiveness. This guide will delve into the technical features, types, and applications of O-rings, specifically focusing on the 17×2 size, while referencing key manufacturers and suppliers such as BD SEALS and O-Ring Stocks.
Technical Features of O-Rings
O-rings are circular seals that fit into a groove and are compressed between two or more parts. They are designed to prevent the passage of fluids or gases. The technical features of O-rings can vary based on their material, size, and application. Below is a comparison table highlighting the key technical features of the 17×2 O-ring.
| Feature | Description |
|---|---|
| ID (Inner Diameter) | 17 mm |
| CS (Cross Section) | 2 mm |
| Material | NBR, Viton, PTFE, HNBR, Silicone, etc. |
| Hardness | Ranges from 70 to 90 Shore A |
| Color | Black, White, or other colors based on material |
| Temperature Range | -30 ºC to 200 ºC (varies by material) |
| Compression Set | Typically between 4.5% to 21% |
| Tensile Strength | Varies by material; typically 14.4 to 28 MPa |
| Ultimate Elongation | Ranges from 165% to 389% |
Differences in O-Ring Types
O-rings come in various materials, each suited for specific applications. The following table outlines the differences between common O-ring types, including NBR, Viton, PTFE, and HNBR.
| Type | Material | Hardness | Temperature Range | Applications |
|---|---|---|---|---|
| NBR | Nitrile Rubber | 70-90 Shore A | -30 ºC to 135 ºC | Automotive, oil and gas |
| Viton | Fluoroelastomer | 75-90 Shore A | -20 ºC to 200 ºC | Aerospace, chemical processing |
| PTFE | Polytetrafluoroethylene | Shore A | -260 ºC to 200 ºC | Food processing, pharmaceuticals |
| HNBR | Hydrogenated Nitrile | 90 Shore A | -25 ºC to 150 ºC | Automotive, oil and gas |
Applications of 17×2 O-Rings
The 17×2 O-ring is widely used across various industries due to its adaptability. Here are some common applications:
- Automotive Industry: Used in engines, fuel systems, and hydraulic systems to prevent leaks.
- Aerospace: Essential for sealing components in aircraft systems, ensuring safety and reliability.
- Oil and Gas: Utilized in drilling and extraction equipment to maintain pressure and prevent fluid loss.
- Pharmaceuticals: Employed in equipment that requires sterile conditions, such as pumps and valves.
- Food Processing: PTFE O-rings are FDA compliant and used in food and beverage applications.
Choosing the Right O-Ring
When selecting an O-ring, consider the following factors:
– Material Compatibility: Ensure the material is suitable for the fluids or gases it will encounter.
– Temperature Range: Choose an O-ring that can withstand the operating temperatures of your application.
– Hardness: Select the appropriate hardness to ensure a proper seal without excessive wear.
– Size: Verify that the O-ring size matches the specifications of your equipment.
For high-quality O-rings, suppliers like BD SEALS and O-Ring Stocks offer a wide range of options to meet various industrial needs.
Conclusion
O-rings, particularly the 17×2 size, play a crucial role in ensuring the integrity of seals in numerous applications. Understanding their technical features and the differences between various types can help in selecting the right O-ring for your needs. With reliable suppliers like BD SEALS and O-Ring Stocks, you can find the perfect sealing solution for your specific requirements.
FAQs
1. What materials are commonly used for 17×2 O-rings?
The most common materials include NBR (Nitrile), Viton, PTFE (Teflon), and HNBR (Hydrogenated Nitrile).
2. What is the temperature range for NBR O-rings?
NBR O-rings typically operate within a temperature range of -30 ºC to 135 ºC.
3. How do I determine the right hardness for my O-ring?
The hardness should be chosen based on the application requirements, with common options ranging from 70 to 90 Shore A.
4. Can I use PTFE O-rings in food processing applications?
Yes, PTFE O-rings are FDA compliant and suitable for food processing applications.
5. Where can I purchase high-quality O-rings?
You can find a wide selection of O-rings at suppliers like BD SEALS and O-Ring Stocks.