1/8-27 NPT External Thread Dimensions
Overview
The 1/8-27 NPT (National Pipe Taper) external thread is a standardized thread size commonly used in piping systems, particularly in the oil and gas industry. In this article, we will explore the dimensions and specifications of the 1/8-27 NPT external thread.
Thread Dimensions
The 1/8-27 NPT external thread has the following dimensions:
Major Diameter: 0.405 inches (10.29 mm) Pitch: 27 threads per inch (TPI) Thread Angle: 60 degrees Root Diameter: 0.369 inches (9.39 mm) Length: varies depending on the application
Thread Specifications
The 1/8-27 NPT external thread is designed to mate with a 1/8-27 NPT internal thread, which has a major diameter of 0.405 inches (10.29 mm) and a minor diameter of 0.369 inches (9.39 mm). The thread is tapered at a rate of 3/4 inch per foot.
Applications
The 1/8-27 NPT external thread is commonly used in various industries, including:
- Oil and Gas: for piping systems in oil rigs, refineries, and pipelines
- Industrial: for compressed air systems, hydraulic systems, and process piping
- Aerospace: for fuel systems, hydraulic systems, and other applications
Conclusion
In conclusion, the 1/8-27 NPT external thread is a critical component in various industries, requiring precise dimensions and specifications to ensure safe and efficient operations. By understanding the dimensions and specifications of the 1/8-27 NPT external thread, engineers and technicians can design and maintain piping systems that meet the highest standards of safety and performance.
