How to Choose the Difference Between GHT and NPT: A Comprehensive Guide.
1. What is GHT?
GHT stands for Garden Hose Thread, which is a type of thread commonly used in North America for garden hoses and outdoor irrigation systems. It has a 3/4" diameter and 11.5 threads per inch (TPI).
2. What is NPT?
NPT stands for National Pipe Thread, which is a type of thread commonly used in North America for piping and plumbing systems. It has a tapered thread design, with TPI varying depending on the size of the pipe.
3. What is the difference between GHT and NPT?
The main difference between GHT and NPT is their intended use and design. GHT is designed for garden hoses and outdoor irrigation systems, which typically have lower water pressure and volume compared to piping and plumbing systems. NPT, on the other hand, is designed for higher water pressure and volume, making it suitable for plumbing and piping systems.
Additionally, GHT has a straight thread design, which means the thread is the same diameter from start to finish. NPT, on the other hand, has a tapered thread design, which means the threads gradually get larger in diameter as they move closer to the end of the pipe. This design allows for a tighter seal and better resistance to leaks.
4. How do I choose between GHT and NPT?
When choosing between GHT and NPT, consider the application and intended use of the thread. If you are using it for a garden hose or outdoor irrigation system, GHT is likely the best option. However, if you are using it for piping or plumbing systems, NPT is the more suitable option.
It is also important to ensure that the thread size and TPI match the intended use. For example, a garden hose may have a 3/4" GHT with 11.5 TPI, while a 1/2" NPT may have 14 TPI.
In summary, understanding the intended use, design, and specifications of GHT and NPT can help you choose the best option for your specific application.
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