Foreword
SAC/TC113/SC2 is in charge of this English translation. In case of any doubt about the contents of English translation, the Chinese original shall be considered authoritative.
Clauses 6 and 8 of this part of GB5135 are mandatory.
At present GB 5135 Automatic sprinkler system consists of the following 21 parts under the general title:
—— Part 1: Sprinkler;
—— Part 2: Wet system alarm valves , retarder chamber and water motor alarm;
—— Part 3: Water mist nozzles;
—— Part 4: Dry system alarm valves;
—— Part 5: Deluge alarm valve;
—— Part 6: General valves;
—— Part 7: Water flow indicators;
—— Part 8: Accelerator;
—— Part 9: Early suppression fast response (ESFR) automatic sprinkler;
—— Part 10: Pressure switch;
—— Part 11: Grooved couplings and fittings;
—— Part 12: Extended coverage sprinker;
—— Part 13: drencher nozzle;
—— Part 14: Preaction devices;
—— Part 15: Domestic sprinkler
—— Part 16: Flexible sprinkler hose with fittings;
—— Part 17: Pressure reducing valve;
—— Part 18: Fire pipeline supports and hangers;
—— Part 19: Plastic pipes and fittings;
—— Part 20: Coated steel pipe;
—— Part 21: Terminal water testing device;
This standard is Part 16 of GB 5135.
1 Scope
This standard of GB 5135 specifies the classification, model establishment, requirements, test methods, inspection rules and marks, packaging, transportation and storage of flexible sprinkler hose with fittings for automatic sprinkler systems.
This standard is applicable to flexible sprinkler hose with fittings in automatic sprinkler system.
2 Normative References
The following normative documents contain provisions which, through reference of GB 5135, constitute provisions of this part. For dated references, subsequent amendments to, or revisions of, any of these editions 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 reference, the latest editions apply.
GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2008, ISO 780:1997, MOD)
GB/T 7306 (All parts) Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB 9969.1 General principles for preparation of instructions for use of industrial products
GB/T 14525 General specification for corrugated metal hose assemblies
3 Terms and definitions
For the purpose of this part of GB 5135, the following terms and definitions apply.
3.1
flexible sprinkler hose with fittings
flexible metal hose with sprinkler head at its end in automatic sprinkler system
3.2
rated working pressure
maximum allowable working pressure of flexible sprinkler hose with fittings in use
4 Classification
The flexible sprinkler hose with fittings can be classified into the following two categories according to the sprinkler hose structure:
a) Hose with metal mesh with structure code of W;
b) Hose without metal mesh, with the structure code omitted.
5 Model establishment
Method of establishment is as follows:
Foreword i
1 Scope
2 Normative References
3 Terms and definitions
4 Classification
5 Model establishment
6 Requirements
7 Test method
8 Inspection rules
9 Marks and operation instruction
10 Packaging, transportation and storage
