What Does BSP Mean in Plumbing Terms?
If you’re in the process of upgrading a sink, toilet, or other plumbing fixture, you’re probably wondering: what does BSP mean in plumbing terms? The answer depends on the type of threading. In simple terms, it means that the outer diameter of a BSP pipe is one inch, while the thread size is one-third of an inch. You can also measure BSP fittings by checking the thread count, which is determined by the number of crests over 1/4 inch. Then, multiply the result by four to determine the size of the BSP thread. what does bsp mean in plumbing terms
Despite the similarities in threading style, the two threads are not interchangeable. NPT threads have rounded roots, whereas BSP threads are straight and parallel. If you attempt to connect two different types of threads, you’ll end up with a misaligned thread and a leak. Read BluPrint to learn more. This article was adapted from BluPrint’s guide to the world of plumbing.
BSP sizes are always listed in imperial measurements, but some have metric names. The chart below outlines the different types and their meanings. BSP means “Bore-Section Pipe”, which refers to the nominal bore of a pipe. It is also often abbreviated as EN 10226 Rp 2-1/2. Some threads have “Gas,” “R”, or “LH” to distinguish them from one another.
British Standard Pipe threads are international standards. They are used to join pipes and pipe fittings. The ISO 228 standard defines the threads. It has been adopted by most countries and is considered the standard for pipe fitting and plumbing. It was created at the beginning of the nineteenth century as a way to make plumbing and pipe fitting more compatible and interoperable. Similarly, the BSPT thread is the same diameter but a different length.
NPT and BSP threads are the same length, but they differ in how they are connected. BSP threads have threads with tapered edges on them. The first “T” denotes a tapered thread, while the second “P” stands for parallel threads. Likewise, BSP threads are tapered, making them ideal for many industrial applications. This means that you can use BSP threads for a wide variety of materials, including cast iron and bronze.
NPT and BSP threads are used globally for plumbing connections. While they have similar thread pitches, NPT threads are longer than BSP threads. The angle at which a BSP thread will attach to a pipe is 55 degrees, while NPT threads are 60 degrees. To tell the difference, you should use a thread gauge. So, you can easily tell the difference between these two types of threads.
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