目录简介 | 1 Scope
This part of GB 5135 specifies the requirements, test methods, inspection rules as well as marking,
packaging, transportation and storage for sprinklers of automatic sprinkler systems.
This part is applicable to sprinklers of automatic sprinkler systems.
This part is not applicable to early suppression fast response (ESFR) sprinklers, multiple nozzle
sprinklers, Water mist nozzles, drencher heads, open-close sprinklers, large-orifice sprinklers and
extended coverage (EC) sprinklers.
2 Normative References
The following normative documents contain provisions which, through reference in this part of
GB 5135, constitute provisions of this part. For dated reference, subsequent amendments (excluding
amending errors in the text) to, or revisions of, any of these publications do not apply. However, the
parties to agreements based on this standard are encouraged to investigate the possibility of applying
the most recent editions of the standards. For undated references, the latest edition of the normative
document referred to applies.
GB/T 7306 (All Parts) “Pipe Threads with 55 Degree Thread Angle Where Pressure-tight Joints
Are Made on the Threads”
3 Terms, Definitions, Symbols and Units
For the purpose of this part of GB 5135, the following terms and definitions apply.
3.1 Sprinkler
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