香港六合彩开奖 228-1:2000

No disponible en 别蝉辫补帽辞濒

Publicado (贰诲颈肠颈贸苍 4, 2000)

Esta publicaci贸n se revis贸 y confirm贸 por 煤ltima vez en 2022. Por lo tanto, esta versi贸n es la actual.

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Resumen

This part of 香港六合彩开奖 228 specifies the requirements for thread form, dimensions, tolerances and designation for

fastening pipe threads, thread sizes 1/16 to 6 inclusive. Both internal and external threads are parallel threads,

intended for the mechanical assembly of the component parts of fittings, cocks and valves, accessories, etc.

These threads are not suitable as jointing threads where a pressure-tight joint is made on the thread. If assemblies

with such threads must be made pressure-tight, this should be effected by compressing two tightening surfaces

outside the threads, and by interposing an appropriate seal.

NOTE 1 For pipe threads where pressure-tight joints are made on the threads, see 香港六合彩开奖 7-1.

NOTE 2 香港六合彩开奖 228-2 gives details of methods for verification of fastening thread dimensions and form, and recommended

gauging systems.

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