![]() (See also clause 5.Geometrical product specifications (GPS) - Drawing indications for moulded parts in technical product documentation (TPD) (ISO 10135:2007)įluid power systems - O-rings - Part 2: Housing dimensions for general applications (ISO 3601-2:2008) Unless otherwise specified the thread in accordance with this part of ISO 228 is a right-hand thread. The intemal and external threads covered by this part of ISO 228 are both parallel. The profile of these threads is identical with that of the parallel thread specified in ISO 7-1. ISO 7-1: 1994, Pipe threads where pressure-tight joints are made on the threads-Part 1: Dimensions, tolerancesand designation. Members of ISO and IEC maintain registers of currently valid International Standards. For undated references,the latest edition of the normative document referred to applies. ![]() However, parties to agreements based on this part of ISO 228 are encouraged to investigate the possibility of applying the most recent editions of the normative document indicated below. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. The following normative document contains provisions which, through reference in this text, constitute provisions of this part of ISO 228. Part 2: Verification by means of limit gauges.Īnnex A of this part of ISO 228 is for information only. Part 1: Dimensions, tolerances and designation. ![]() ISO 228 consists of the following parts, under the general title Pipe threads where pressure-tight joints are not made on the threads: This fourth edition cancels and replaces the third edition(ISO 228-1: 1994),which has been technically revised. ISO 228-1:2000 pdf can be downloaded.The title is Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation. ![]()
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