Stainless Steel Threaded Fittings
Threaded fittings are a type of plumbing connection that use screw threads to join two or more pipes or components together. These fittings come in a variety of sizes, materials, and thread types, and are used in a wide range of applications from domestic plumbing to industrial processes. In this article, we will explore the different types of threaded fittings and their uses.
Types of Threaded Fittings
NPT (National Pipe Thread): NPT is a widely used thread type in North America, which is also known as “American Standard Taper Pipe Thread”. NPT is a tapered thread, which means the diameter of the thread decreases towards the end of the pipe. NPT threads have a 60-degree angle and are commonly used for water and gas applications.
BSPT (British Standard Pipe Thread): BSPT is a type of thread used in the United Kingdom and many other countries worldwide. It is also known as “British Standard Taper Pipe Thread”. BSPT is similar to NPT, but the thread angle is slightly different (55 degrees) and it has a parallel section at the end of the thread. This type of thread is commonly used in applications involving steam, water, and oil.
BSPP (British Standard Pipe Parallel): BSPP, also known as “British Standard Pipe Parallel”, is a type of thread that is parallel along its entire length. Unlike NPT and BSPT, BSPP does not have a tapered section. This type of thread is commonly used in hydraulic systems, pneumatic systems, and other industrial applications.
Metric Thread: Metric threads are commonly used in Europe and many other countries outside of North America. The thread pitch is expressed in millimeters, and the thread angle is 60 degrees. Metric threads are commonly used in high-pressure hydraulic systems, automotive applications, and other mechanical applications.
UNF (Unified Fine Thread): UNF is a type of thread that is commonly used in aerospace, automotive, and other high-performance applications. UNF threads have a fine pitch and are commonly used for fasteners and hydraulic fittings.
UNC (Unified Coarse Thread): UNC is a type of thread commonly used in North America and other parts of the world for fasteners and other applications where strength is a primary concern. UNC threads have a coarse pitch and are commonly used in high-stress applications.
Materials
Threaded fittings can be made from a variety of materials, including brass, stainless steel, copper, PVC, and others. The material used for a particular application will depend on factors such as the type of fluid being transported, the temperature and pressure requirements, and the cost of the fitting.
Conclusion
Threaded fittings are an important type of plumbing connection that are used in a wide range of applications. The different types of threads and materials used for these fittings provide a wide range of options for engineers and plumbers to choose from when designing and installing plumbing systems. Understanding the different types of threaded fittings and their uses is essential for anyone working in the plumbing or mechanical industries.
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Stainless Steel Threaded Fittings
