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ISO 228-1:2000

Current Revision

Pipe threads where pressure-tight joints are not made on the threads -- Part 1: Dimensions, tolerances and designation

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This part of ISO 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.


SDO ISO: International Organization for Standardization
Document Number ISO 228
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 5/SC 5
Publish Date Document Id Type View
Not Available ISO 228-1:2000 Revision