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ISO 7-1:1994

Pipe threads where pressure-tight joints are made on the threads -- Part 1: Dimensions, tolerances and designation

General information

Valid from 12.05.1994
ICS Groups
21.040.30 Special screw threads
Directives or regulations
None

Standard history

Status
Date
Type
Name
02.08.2007
Corrigendum
ISO 7-1:1994/Cor 1:2007
12.05.1994
Main
ISO 7-1:1994
Main
ISO 7-1:1982
Specified the designation and lays down the dimensions and tolerances of pipe threads. Gives terms and definition as well as symbols and explanations including examples of the complete designation for a thread. Figures 1 to 4 illustrate details. Tabulates thread dimensions from 1/16 up to and including 6 inch.

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Standard monitoring
English (PDF 398 KB)

Related products

Corrigendum

ISO 7-1:1994/Cor 1:2007

ISO 7-1:1994 - Corrigendum
Newest version Valid from 02.08.2007
Main

EVS-EN ISO 228-1:2003

Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation
Newest version Valid from 01.07.2003
Main

EVS-EN 10226-1:2004

Pipe threads where pressure tight joints are made on the threads - Part 1 : Taper external threads and parallel internal threads - Dimensions, tolerances and designation
Newest version Valid from 08.11.2004
Main

EVS-EN ISO 228-2:2003

Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges
Newest version Valid from 01.07.2003

Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English