Air Brake Nylon Tubing Male Elbow 45° Fixed
| Part# | Tube O.D* Female NPTF |
PARKER | EATON | MAF | GATES | DIXON |
| 1585-4C | 1/4*1/8 | VS279NTA-4-2 | 1480x4 | 38148 | G32102-0402 | 79NAB42VS |
| 1585-4D | 1/4*1/4 | VS279NTA-4-4 | 1480x4x4 | 38149 | G32102-0404 | 79NAB44VS |
| 1585-6C | 3/8*1/8 | VS279NTA-6-2 | 38150 | G32102-0602 | 79NAB62VS | |
| 1585-6D | 3/8*1/4 | VS279NTA-6-4 | 1480x6 | 38151 | G32102-0604 | 79NAB64VS |
| 1585-6E | 3/8*3/8 | VS279NTA-6-6 | 1480x6x6 | 38152 | G32102-0606 | 79NAB66VS |
| 1585-6F | 3/8*1/2 | VS279NTA-6-8 | 38153 | G32102-0608 | 79NAB68VS | |
| 1585-8D | 1/2*1/4 | VS279NTA-8-4 | 1480x8x4 | 38157 | G32102-0804 | 79NAB84VS |
| 1585-8E | 1/2*3/8 | VS279NTA-8-6 | 1480x8 | 38154 | G32102-0806 | 79NAB86VS |
| 1585-8F | 1/2*1/2 | VS279NTA-8-8 | 1480x8x8 | 38155 | G32102-0808 | 79NAB88VS |
| 1585-10E | 5/8*3/8 | VS279NTA-10-8 | 1480x10 | G32102-1008 | 79NAB106VS | |
| 1585-10F | 5/8*1/2 | VS279NTA-10-6 | 38156 | 79NAB108VS | ||
| 1585-12F | 3/4*1/2 | VS279NTA-12-8' | 38158 | 79NAB128VS |
| Part# | Tube O.D* Female NPTF |
Tectran | Automann | Fleet Pride | Fairview | Tramec Sloan |
| 1585-4C | 1/4*1/8 | 1374-4A | 177.14744A | N79-4-2 | 1474-4A | S779AB-4-2 |
| 1585-4D | 1/4*1/4 | 1374-4B | 177.14744B | N79-4-4 | 1474-4B | S779AB-4-4 |
| 1585-6C | 3/8*1/8 | 1374-6A | 177.14746A | N79-6-2 | S779AB-6-2 | |
| 1585-6D | 3/8*1/4 | 1374-6B | 177.14746B | N79-6-4 | 1474-6B | S779AB-6-4 |
| 1585-6E | 3/8*3/8 | 1374-6C | 177.14746C | N79-6-6 | 1474-6C | S779AB-6-6 |
| 1585-6F | 3/8*1/2 | 1374-6D | 177.14746D | N79-6-8 | 1474-6D | S779AB-6-8 |
| 1585-8D | 1/2*1/4 | 1374-8B | 177.14748B | N79-8-4 | 1474-8B | S779AB-8-4 |
| 1585-8E | 1/2*3/8 | 1374-8C | 177.14748C | N79-8-6 | 1474-8C | S779AB-8-6 |
| 1585-8F | 1/2*1/2 | 1374-8D | 177.14748D | N79-8-8 | 1474-8D | S779AB-8-8 |
| 1585-10E | 5/8*3/8 | 1374-10C | 177.147410C | N79-10-6 | S779AB-10-6 | |
| 1585-10F | 5/8*1/2 | 1374-10D | 177.147410D | N79-10-8 | 1474-10D | S779AB-10-8 |
| 1585-12F | 3/4*1/2 | 1374-12D | 177.147412D | N79-12-8 |
DOT standards, the standards set by the U.S. Department of Transportation (DOT), cover the safety, performance and reliability requirements for highway transportation vehicles, especially heavy-duty vehicles. This product complies with the DOT standard.
Background and Significance of DOT Standards:
1. Developing Agency:
The U.S. Department of Transportation is responsible for developing and enforcing DOT standards to ensure that all commercial vehicles are designed, manufactured, and maintained for safety and reliability.
2. Safety Requirements:
The DOT standards set stringent requirements for braking systems, lights, steering, and other key components of vehicles, especially in areas of public safety, such as air braking systems. DOT-compliant products can effectively reduce the risk of accidents and protect the safety of drivers and passengers.
DOT Standards in Air Brake Systems：
Material and Process Requirements:
For air brake fittings, such as brass adapters, the DOT standard requires the use of high-quality materials (high-purity brass) and advanced processing technology to ensure that the product can maintain good sealing performance and durability under high-pressure, high-vibration and other harsh environments.
Sealing and connection performance:
Air braking systems require a high degree of air sealing, and any small leaks can lead to a loss of braking effectiveness. the DOT standard specifies sealing performance, pressure testing, and vibration testing to ensure that components are tightly connected and have stable air transmission in real-world use.
Size and compatibility:
Standardized dimensions and interface design are an important aspect of the DOT standard. Seamless and standardized installation of all components in an air brake system ensures good interchangeability and compatibility between products from different manufacturers, thus simplifying maintenance and replacement.
Durability and Testing:
DOT standards not only focus on initial product performance, but also require that accessories be tested for durability, aging, and environmental suitability. Repeatedly tested products remain stable over time, reducing the risk of failure due to fatigue or environmental factors.
The Importance of DOT Standards
1. Ensure public safety:
DOT-compliant products can effectively prevent traffic accidents caused by equipment failure and ensure the safe operation of heavy vehicles on highways and other complex road conditions.
2. Improve product quality:
Strict standards encourage manufacturers to continuously improve technology and processes during the design and production process, thus enhancing overall product quality and service life.
3. International Recognition and Market Access:
The DOT standard is not only influential in the U.S., but is also seen as a symbol of high standards. Some international markets also refer to the DOT standard when evaluating the quality of their products, thus opening up a wider range of markets for products that meet the standard.
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