Manufacturing high-quality pipe fittings is critical for ensuring the integrity and efficiency of fluid transport systems. The COUPLING O.D. MACHINED (SPE) from Hebei Jiuyuan Pipeline Manufacturing Co., Ltd. exemplifies precision engineering, offering robust solutions for diverse industrial applications. This article delves into the product’s features, technical specifications, and real-world use cases, supported by authoritative references and industry standards.
Product Overview
The COUPLING O.D. MACHINED (SPE) is a specialized pipe fitting designed for seamless integration into piping systems. Its primary function is to connect two pipes of the same diameter, ensuring a secure and leak-proof joint. The product’s design emphasizes durability, corrosion resistance, and ease of installation, making it a preferred choice for industries requiring reliable fluid transfer solutions.

Figure 1: High-quality stainless steel coupling with NPT threading.

Figure 2: Close-up view of the coupling’s machined surface and threading.

Figure 3: Finished coupling with NPT thread specifications.
Key Features and Advantages
The COUPLING O.D. MACHINED (SPE) stands out due to its advanced design and material properties. Here are its core advantages:
- Material Quality: Constructed from high-grade stainless steel, the coupling resists corrosion and maintains structural integrity under harsh conditions.
- Precision Machining: The outer diameter (O.D.) is meticulously machined to ensure a perfect fit, minimizing the risk of leaks or misalignment.
- NPT Threaded Design: The National Pipe Thread (NPT) standard ensures compatibility with a wide range of piping systems, enhancing versatility.
- Wide Size Range: Available in multiple sizes (1/8″ to 4″), the coupling caters to diverse industrial needs, from small-scale applications to large infrastructure projects.
- Cost-Effectiveness: The product balances high performance with competitive pricing, offering long-term value for manufacturers and end-users.
Technical Specifications
The following table outlines the detailed specifications of the COUPLING O.D. MACHINED (SPE) for various sizes:
| SIZE | 1/8″ | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| U | 13.00 | 17.00 | 19.50 | 24.00 | 32.00 | 37.00 | 47.50 | 52.50 | 66.00 | 83.00 | 94.00 | 120.00 |
| T | 19.00 | 23.50 | 24.00 | 32.00 | 34.50 | 40.00 | 46.50 | 46.50 | 51.00 | 63.50 | 66.50 | 78.00 |
Table 1: Technical specifications for COUPLING O.D. MACHINED (SPE) sizes.
Applications in Industrial Systems
The COUPLING O.D. MACHINED (SPE) is engineered for use in a variety of industries, including:
- Water and Wastewater Treatment: Ensures reliable connections in pipelines transporting potable water or industrial effluents.
- Chemical Processing: Resists corrosion from aggressive chemicals, maintaining system integrity in hazardous environments.
- Oil and Gas: Provides durable, leak-proof joints in pipelines for crude oil, natural gas, and refined products.
- HVAC Systems: Facilitates efficient heat transfer and fluid distribution in heating, ventilation, and air conditioning systems.
- Power Generation: Supports high-pressure fluid systems in power plants, ensuring safety and operational efficiency.
Company Background: Hebei Jiuyuan Pipeline Manufacturing Co., Ltd.
Based in Hebei, China, Hebei Jiuyuan Pipeline Manufacturing Co., Ltd. is a leading manufacturer of high-quality pipe fittings and related components. With a focus on innovation and precision, the company serves global clients across multiple industries. Their commitment to quality is reflected in their adherence to international standards, ensuring products meet rigorous performance criteria.
Industry Standards and Compliance
The COUPLING O.D. MACHINED (SPE) aligns with industry standards for dimensional accuracy and material quality. According to the National Institute of Standards and Technology (NIST), adherence to standardized measurements is critical for ensuring interoperability and safety in piping systems. The product’s specifications, such as the NPT threading and O.D. tolerances, are designed to comply with these benchmarks.
As highlighted in NIST’s Handbook 130, “Precision in dimensional measurements reduces the risk of system failures and enhances operational efficiency.” The COUPLING O.D. MACHINED (SPE) exemplifies this principle, offering precise dimensions that meet or exceed industry expectations.
Conclusion
The COUPLING O.D. MACHINED (SPE) from Hebei Jiuyuan Pipeline Manufacturing Co., Ltd. is a testament to advanced engineering and quality craftsmanship. Its robust design, versatility, and compliance with industry standards make it an ideal choice for demanding industrial applications. By leveraging precision machining and high-quality materials, the product ensures long-term reliability and performance.
References
1. NIST Handbook 130 – https://www.nist.gov
2. Hebei Jiuyuan Pipeline Manufacturing Co., Ltd. – https://www.hbjypipeline.com
3. COUPLING O.D. MACHINED (SPE) Product Page – https://www.hbjypipeline.com/coupling-o-d-machined-spe.html
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