15/30322555 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS ISO 7121 - STEEL BALL VALVES FOR GENERAL-PURPOSE INDUSTRIAL APPLICATIONS
Hardcopy , PDF
30-04-2016
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure/temperature rating
5 Design
6 Materials
7 Marking
8 Testing and inspection
9 Preparation for despatch
Annex A (informative) - Information to be specified
by purchaser
Annex B (informative) - Identification of valve parts
Bibliography
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