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What isThreading Pipe


NPT (National Pipe Thread) and BSPT (British Standard Pipe Thread) are two commonly pipe thread standards. NPT threads are commonly used in North America and BSPT threads are more commonly used in Europe and Asia. Both standards have tapered threads that create a tight seal when tightened together. Widely used in water, gas, oil and other pipelines connection.

It is important to note that NPT and BSP threads are not compatible with each other due to their different designs and measurement systems. Adapters or fittings would be needed to connect NPT and BSP threads.

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What is the difference between NPT and BSP threads ?

 NPTBSP
NameNational Pipe ThreadBritish Standard Pipe
DesignNPT threads have a tapered design, meaning the diameter of the thread decreases towards the end. This taper helps create a seal between the threads when tightened.BSP threads have a parallel design, meaning the diameter of the thread remains constant along the length. This parallel design relies on the use of a sealing washer or sealant to create a seal.
ApplicationNPT threads are commonly used in the United States and Canada for a wide range of applications, including plumbing, hydraulics, and pneumatics.BSP threads are widely used in Europe, Asia, Australia, and some parts of Africa. They are commonly found in plumbing, gas fitting, and automotive applications.

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