1 Scope
This standard specifies marking information, labeling pattern, labeling methods and dimensions, valves paint colours of all kinds of general purpose valves.
This standard is applicable to all kinds of general purpose valves.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 12220 General purpose industrial valves — Marking (GB/T 12220-1989, idt ISO 5209:1977)
3 Markings and Labeling Methods
Foreword II
1 Scope
2 Normative References
3 Markings and Labeling Methods
3.1 Marking information
3.2 Labeling methods of markings
3.3 Labeling patterns of markings
3.4 Labeling position of makings
3.5 Labeling dimensions of markings
4 Paint
Figure 1 Labeling Dimensions of Casting Marking
Table 1 Labeling Pattern
Table 2 Labeling Dimensions of Casting Marking
Table 3 Impression Marking Dimensions
Table 4 Font No.
Table 5 Colours of Valves Paint