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ISO 7-1

Pipe Threads Where Pressure-Tight Joints Are Made on the Threads - Part 1: Dimensions, Tolerances and Designation

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Organization: ISO
Publication Date: 15 May 1994
Status: active
Page Count: 11
ICS Code (Special screw threads): 21.040.30
scope:

This part of ISO 7 specifies the requirements for thread form, dimensions, tolerances and designation for jointing pipe theads, size 1/16 to 6 inclusive, for joints made pressure-tight by the mating of the threads.  These threads are taper external, parallel internal or taper internal and are inteded for use with pipes suitagble for theading and for valves, fittings or other pipeline equipment interconnected by threaded joints.

An appropriate jointing medium should be used on the thread to ensure pressure-tight joints.

NOTES

1  Parallel external pipe threads are not suitable as joining threads.

2  For pipe threads where pressure-tight joints are not made on the threads, see ISO 228-1.

3  ISO 7-2 gives details of methoods of vertification of jointing thread dimensions and form and recommended gauging systems

 

Document History

August 1, 2007
Pipe Threads Where Pressure-Tight Joints Are Made on the Threads - Part 1: Dimensions, Tolerances and Designation
This part of ISO 7 specifies the requirements for thread form, dimensions, tolerances and designation for jointing pipe theads, size 1/16 to 6 inclusive, for joints made pressure-tight by the mating...
ISO 7-1
May 15, 1994
Pipe Threads Where Pressure-Tight Joints Are Made on the Threads - Part 1: Dimensions, Tolerances and Designation
This part of ISO 7 specifies the requirements for thread form, dimensions, tolerances and designation for jointing pipe theads, size 1/16 to 6 inclusive, for joints made pressure-tight by the mating...

References

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