21.040.30 - Special screw threads
Special screw threads
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General Information
- Standard1 pageFrench language
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This document specifies types, dimensions and principles of use of gauges, to be used in conjunction
with the taper threads specified in ISO 11363-1 (i.e. 17E and 25E threads).
It provides examples of calculations for thread gauge dimensions on the large end diameter (Annex A)
and draws attention to the limitations of the gauging system specified (Annex B).
- Draft24 pagesEnglish language
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- Standard27 pagesEnglish language
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This document specifies dimensions and tolerances for taper screw threads of nominal diameter
17,4 mm (designated as 17E) and 25,8 mm (designated as 25E) used for the connection of valves to gas
cylinders.
It does not cover the connection requirements for
— mechanical strength,
— gas tightness, and
— capability of repeated assembly and dismounting operations.
Gauge inspection is covered by ISO 11363-2.
- Draft14 pagesEnglish language
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- Standard17 pagesEnglish language
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ISO 11363-1:2018 specifies dimensions and tolerances for taper screw threads of nominal diameter 17,4 mm (designated as 17E) and 25,8 mm (designated as 25E) used for the connection of valves to gas cylinders.
ISO 11363-1:2018 does not cover the connection requirements for
- mechanical strength,
- gas tightness, and
- capability of repeated assembly and dismounting operations.
Gauge inspection is covered by ISO 11363‑2.
- Draft14 pagesEnglish language
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- Standard17 pagesEnglish language
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ISO 11363-2:2017 specifies types, dimensions and principles of use of gauges, to be used in conjunction with the taper threads specified in ISO 11363-1 (i.e. 17E and 25E threads).
It provides examples of calculations for thread gauge dimensions on the large end diameter (Annex A) and draws attention to the limitations of the gauging system specified (Annex B).
- Draft24 pagesEnglish language
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- Standard27 pagesEnglish language
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This International Standard is a supplement to ISO 2568 and ISO 4230 and specifies the dimensions of
hand- and machine-operated circular screwing dies intended for production of parallel pipe threads,
G series, in accordance with ISO 228-1.
The general dimensions of these dies (diameter, thickness and fixing dimensions) are in accordance
with ISO 2568 so as to permit the driving of hand-operated dies with the aid of the die stocks defined in
that document.
- Standard11 pagesEnglish language
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This part of ISO 15245 specifies definitions, dimensions and tolerances of parallel screw threads of nominal diameter 30 mm (designated 30P), 25 mm (designated 25P) and 18 mm (designated 18P), for the connection of valves to medical and industrial gas cylinders. This part of ISO 15245 does not cover the connection requirements for:
- mechanical strength;
- gas tightness;
- capability of repeated assembly and dismounting operations.
- Amendment7 pagesEnglish language
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2012-11-30 GVN: Draft for // vote received at ISO/CS (see notification in dataservice on 2012-11-29).
- Amendment7 pagesEnglish language
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ISO 1501:2009 specifies the profiles, diameter-pitch combinations, basic dimensions, tolerances, limits of size and designation for ISO miniature screw threads with nominal diameters from 0,3 mm to 1,4 mm. These threads are applicable to timepieces, optical instruments, electrical meters, measuring instruments, etc. The profiles and tolerance system for ISO miniature screw threads (S) differ from the profile and tolerance system for ISO general purpose metric screw threads (M).
- Standard16 pagesFrench language
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This document specifies the requirements for thread form, dimensions, tolerances and designation for jointing pipe threads, sizes 1/16 to 6 inclusive, for joints made pressure-tight by the mating of the threads. These threads are taper external and taper internal and are intended for use with pipes suitable for threading and for valves, fittings or other pipeline equipment interconnected by threaded joints.
An appropriate thread sealant or jointing compound should be used on the thread to ensur...view more
- Standard13 pagesEnglish language
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This document specifies the requirements for thread form, dimensions, tolerances and designation for jointing pipe threads, sizes 1/16 to 6 inclusive, for joints made pressure-tight by the mating of the threads. These threads are taper external and taper internal and are intended for use with pipes suitable for threading and for valves, fittings or other pipeline equipment interconnected by threaded joints.
An appropriate thread sealant or jointing compound should be used on the thread to ensur...view more
- Standard13 pagesEnglish language
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This part of EN 10226 specifies a process using limit gauges, for the validation of taper internal and external threads and parallel internal threads on piping systems components and other products, the dimensions and tolerances of which are detailed in EN 10226-1 and prEN 10226-2.
The gauging system described may not be suitable, without special precautions, for gauging of threads on injection moulded plastic workpieces.
This part of EN 10226 does not cover completely all the requirements nec...view more
- Standard35 pagesEnglish language
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This part of EN 10226 specifies a process using limit gauges, for the validation of taper internal and external threads and parallel internal threads on piping systems components and other products, the dimensions and tolerances of which are detailed in EN 10226-1 and prEN 10226-2.
The gauging system described may not be suitable, without special precautions, for gauging of threads on injection moulded plastic workpieces.
This part of EN 10226 does not cover completely all the requirements nec...view more
- Standard35 pagesEnglish language
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This part of EN 10226 specifies the requirements for thread form, dimensions, tolerances and designation for jointing pipe threads, sizes 1/16 to 6 inclusive, for joints made pressure tight by the mating of the threads. These threads are taper external (designated by R) and parallel internal (designated by Rp) and are intended for use with pipes suitable for threading and for valves, fittings or other pipeline equipments interconnected by threaded joints.
- Standard13 pagesEnglish language
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This part of EN 10226 specifies the requirements for thread form, dimensions, tolerances and designation for jointing pipe threads, sizes 1/16 to 6 inclusive, for joints made pressure tight by the mating of the threads. These threads are taper external (designated by R) and parallel internal (designated by Rp) and are intended for use with pipes suitable for threading and for valves, fittings or other pipeline equipments interconnected by threaded joints.
- Standard13 pagesEnglish language
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This part of EN ISO 228 specifies the verification, by means of limit gauges, of cylindrical threads, the dimensions and tolerances of which are given in part 1.
- Standard15 pagesEnglish language
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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 and intended for the mechanical assembly of the component parts of fittings, cocks and valves, accessories, etc.
- Standard10 pagesEnglish language
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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, ...view more
- Standard10 pagesEnglish language
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This second edition cancals and replaces the first edition (1980). Specifies the verification of cylindrical threads, the dimensions and tolerances of which are given in ISO 228-1. Since this 55o profile has different elements to be verified, it is necessary to provide for several GO and several NOT GO gouges.
- Standard15 pagesEnglish language
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- Standard5 pagesEnglish language
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