Our High Tolerance NPT Thread goes over and our quality is above the normal tolerances of a standard NPT thread(ANSI/ASME B1.20.1).

We can mange the thread form, crest, root much better than normal standard for taper thread fitting part.

Our NPT connection has at least five to six threads engaged when fully tightened compared with the usual three to four threads of a standard NPT connection. It is better than normal product.

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Projection measurement:

Through projection measuring, all pipe fittings can make sure the correct dimension and thread form.

Projection measuring: