plumbing threads

NPS – National Pipe Straight Thread

NPS – National Pipe Straight Thread

The National Pipe Straight (NPS) thread is part of the American National Pipe Thread (NPT) family, but unlike NPT (which is tapered), NPS threads are parallel (straight). This means NPS threads do not provide a pressure-tight seal on their own and require sealing washers, O-rings, or gaskets to ensure a leak-proof connection. NPS is commonly … Read more

BSP – British Standard Pipe Thread

BSP – British Standard Pipe Thread

The British Standard Pipe (BSP) thread is a widely used thread standard for pipe fittings in the UK, Europe, Asia, and many other regions. It is primarily used in water, gas, and hydraulic systems to provide a secure, leak-proof connection. BSP threads come in two variations: ✔ BSPP (British Standard Pipe Parallel, also known as … Read more