tapered pipe thread

ISO Pipe Threads – G (Parallel) & R (Tapered) Threads

ISO Pipe Threads – G (Parallel) & R (Tapered) Threads

The ISO Pipe Thread Standard is internationally recognized and widely used in Europe, Asia, and other global markets for fluid, gas, and mechanical connections. It includes two main types of threads: ✔ ISO G Thread (Parallel – BSPP Equivalent) – Straight (parallel) threads requiring a sealing washer or O-ring for leak-proof connections.✔ ISO R Thread … Read more

NPT – National Pipe Thread

NPT – National Pipe Thread

The National Pipe Thread (NPT) standard is widely used in the United States, Canada, and other regions for plumbing, hydraulic, and gas connections. Unlike parallel threads, NPT threads are tapered, which allows them to create a tight, leak-proof seal without requiring additional sealing elements like O-rings. NPT is governed by ANSI B1.20.1, with variations including:✔ … Read more