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Norm
ÖNORM EN ISO 228-1
Issue date: 2003 06 01
Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000)
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. Bot...
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Publisher:
Austrian Standards International
Format:
Digital | 8 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
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.
NOTE 1 For pipe threads where pressure-tight joints are made on the threads, see ISO 7-1.
NOTE 2 ISO 228-2 gives details of methods for verification of fastening thread dimensions and form, and recommended
gauging systems.
ÖNORM EN ISO 228-1
2003 06 01
Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerance...
Norm
↖
Norm
ISO 228-1:2000
Issue date :
2000 09 21
Pipe threads where pressure-tight joints are not made on the threads — Part 1: Dimensions, tolerances and designation