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NPT threaded leak?

2020-11-26

JVTIA

228

The NPT is National ( 美国) Pipe Thread, the NPT Thread is an American standard taper Pipe threads 60 degrees, can be divided into general sealing of cylindrical Pipe Thread and general sealing tapered Pipe Thread, cooperate way by & other; Cone/cone & throughout; Cooperate, & other; Column/cone & throughout; To cooperate. The NPT thread is a kind of America's most commonly used taper pipe threads. NPT for mechanical or low-pressure gas and liquid, also used for bimetallic thermometer and pressure gauge, when the seal is strict, the NPT thread if leak? Instrument to answer: with NPT threads, after a wrench is, on the major and minor diameters may exist that would allow the assembly to leak and therefore a sealing compound is used to fill all the gaps, to ensure that the seal. Commonly used NPT screw tooth has on the market: 1/2 & quot; 不扩散核武器条约》,1/4 ' The NPT, etc.

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