BSP pipe nipples, also called British standard pipe threads, is a series of technical standards for screw threads. These standards are practiced and employed by plumbing services locally as well as internationally. According to BSP standards, a proper pipe fitting should interconnect and seal an external male thread with an internal female thread. The latter interconnection takes place with the help of various types of BSP threaded pipe parts. These standards have been laid out for a long time and have been adopted as standard rules in the plumbing and pipefitting industry.
BSP pipe nipples are often confused with NPT nipples, another type of pipe fittings used in the United States, including north and south America. NPT pipe nipples are also called National threaded pipe fittings, are American national technical standards for screw threads used for connecting different types of threaded pipes. They tend to be unique in their structure and properties. These nipples consist of tapered threaded ends as well as straight threaded ends; both of them are shaped irregularly and assist in interconnecting a male thread to a female thread. As a result, the pipe fittings tend to be rigid, withstanding any pressure and ensuring pressure-tight sealing.
BSP and NPT specify the technical standards for pipe fittings worldwide, but depending on the country, the names change. However, BSP threaded pipe nipples are popularly known for being the number one in terms of quality, durability, and functionality. The reason is that BSP nipples are manufactured using the finest quality screw threads that are used in various plumbing applications worldwide. BSP pipes are also known as Whitworth standard pipes and enjoy the honor of ISO rating of 228. The latter are the reasons that give BSP nipples an edge over NPT nipples and the features that differentiate the two technical standards.
BSP and NPT both have their respective applications and uses. Both of these standards utilize tapered and straight threads, but tapered threaded nipples steal the limelight, and there is a reason for that. Unlike straight threads, which are easy to unseal, a tapered threaded nipple can be used to ensure an air-tight connection between pipes. However, Straight pipe nipples hold the pipes together, but when a tapered nipple is used coupled with torque, it further solidifies the connection and compresses and seals the fitting.
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