1/2NPT internal thread
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I’ve never understood what this 1/2 NPT internal thread means; even searching on Baidu didn’t help. Is there any specific drawing available for machining it? I’m seeking help from fellow sailors; thank you!
You just need to find an internal threaded fitting and take a look!
NPT: American tapered pipe thread, with standards available for reference. Refer to the \"Standard Handbook of Metric, Imperial, and British Threads\" (3rd edition)
There are no drawings; I only know that the threads of NPT seem to be trapezoidal in shape and relatively thin
This post was last edited by qugd on 2016-4-20 at 10:15; it is a type of tapered pipe thread according to American standards, and it possesses self-sealing properties. Why not look up information on thread standards? For such a physical product, it’s best to find an actual item and compare it with the standard specifications so that it’s easy to understand at a glance. 1/2 —— The size of the thread, expressed in inches. NPT —— The standard for threads; it refers to American standard tapered pipe threads. Internal thread —— A thread that mates with an external thread, that is, the threads are located on the inner surface of the tube
The faucets in your home are of the NPT standard
This post was last edited by qugd on 2016-4-20 10:16. Do you confirm? I guess you really haven’t seen NPT threads. Household water supply pipes in China are probably not equipped with NPT threads. Either you’re talking nonsense, or you’re making up things, or it’s only in your own home that such special threads are used for connecting pipes and fittings.
The quick solution is: if it’s a machining factory and you need something processed, just go straight to the craftsmen. If they don’t even know how to do it, then I really don’t know what to say. The slow solution is to look up the mechanical manual by yourself
Here’s a link for you: http://wenku.baidu.com/link?url=s1sUMZfDhEy73VhuK4HTZDT1scnuW2PKjL3c4fKuxlErPpJny6hmBqprDSB-cTu7WYRtDilmjcY8b0__zuqjUdjXMIUA2EmWktLE8BtKdxa