GB 5135.13-2006Automatic sprinkler systems - Part 13: Performance requirements and test methods for drencher heads (English PDF)
自动喷水灭火系统 第13部分：水幕喷头
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Issued by
AQSIQ; SAC
Level / Type
National · Mandatory
Issue date
April 7, 2006
Implementation date
December 1, 2006
Scope
GB 5135.13-2006 is the English-translated version of 自动喷水灭火系统 第13部分：水幕喷头.
Part 13 of China's mandatory series on automatic sprinkler systems, covering the drencher head - the open nozzle that throws a flat, dense curtain of water rather than a spray pattern, and that is used to protect an opening in a fire compartment wall, to cool a curtain wall or a shutter, or to separate one part of a building from another when the fire doors cannot.
Unlike a sprinkler it has no heat responsive element: it is open, and the system is put into operation by a deluge valve, so what the head is judged on is entirely the shape, the density and the reach of the curtain it produces.
This part specifies the terms and definitions, the classification and model designation, the requirements, the test methods, the inspection rules, and the marking, packaging, transport and storage of drencher heads.
The requirements cover the materials and the finish, the dimensions and the thread by which the head is connected, the strength and the resistance to hydrostatic pressure, the resistance to corrosion and to the vibration and impact of installation and service, and the water distribution characteristics that are the whole point of the product - the discharge coefficient, the width and the height of the curtain formed at the design pressure, and the uniformity of the density across it.
The test clause sets the rig, the pressures and the collection arrangement by which the curtain is measured, so that heads from different manufacturers can be compared. Issued on 7 April 2006 and in force since 1 December 2006.
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Document preview — GB 5135.13-2006
National Standard of the People's Republic of China
- ICS
- 13.220.20
- Classification
- C83
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Classification
- 5 Model designation
- 6 Requirements
- 7 Test methods
- 8 Inspection rules
- 9 Package, transportation and storage
Foreword
This part of GB 5135 specifies the requirements, test methods, inspection rules, as well as marking, packaging, transport, storage of drencher nozzles of automatic sprinkler system.
This part is applicable to drencher nozzles of automatic sprinkler system.
1 Scope
This part of GB 5135 specifies the requirements, test methods, inspection rules, as well as marking, packaging, transport, storage of drencher nozzles of automatic sprinkler system.
This part is applicable to drencher nozzles of automatic sprinkler system.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of GB 5135. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However, parties to agreements based on this part 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 191 Packaging - Pictorial marking for handling of goods
GB/T 7306.1 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 1: Parallel internal and taper external threads (GB/T 7306.1-2000, eqv ISO 7-1:1994)
GB/T 7306.2 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 2: Taper internal and external threads (GB/T 7306.2-2000, eqv ISO 7-1:1994)
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of GB 5135. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However, parties to agreements based on this part 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 191 Packaging - Pictorial marking for handling of goods
GB/T 7306.1 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 1: Parallel internal and taper external threads (GB/T 7306.1-2000, eqv ISO 7-1:1994)
GB/T 7306.2 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 2: Taper internal and external threads (GB/T 7306.2-2000, eqv ISO 7-1:1994)
3 Terms and definitions
For the purposes of this part of GB 5135, the following terms and definitions apply.
3 Terms and definitions
For the purposes of this part of GB 5135, the following terms and definitions apply.
3.1 drencher nozzle
a spray apparatus fixed onto a drencher pipe system, which can spray water continuously to form a curtain to protect the surface under a fire threat as a fire separation
3.1 drencher nozzle
a spray apparatus fixed onto a drencher pipe system, which can spray water continuously to form a curtain to protect the surface under a fire threat as a fire separation
3.2 spray angle
the vertex angle of the fan-shaped water curtain which takes the nozzle head as the vertex when a nozzle sprays
3.2 spray angle
the vertex angle of the fan-shaped water curtain which takes the nozzle head as the vertex when a nozzle sprays
3.3 deflection angle
the angle between inlet axis and outlet axis of a nozzle when it sprays
3.3 deflection angle
the angle between inlet axis and outlet axis of a nozzle when it sprays
3.4 maximal cover width
the maximum width of an extended water curtain under the working pressure
3.4 maximal cover width
the maximum width of an extended water curtain under the working pressure
4.1 Classification by structure form
4.1 Classification by structure form
4.2 Classification according to usage
4.1 Classification by structure form
4.1 Classification by structure form
4.2 Classification according to usage
4.1.1 Slit drencher nozzle
4.1.1 Slit drencher nozzle
4.1.1.1 Single-slit drencher nozzle
A drencher nozzle with a single slit on its body, through which water sprays in designed shape.
4.1.1.1 Single-slit drencher nozzle
A drencher nozzle with a single slit on its body, through which water sprays in designed shape.
4.1.1.2 Double-slit drencher nozzle
A drencher nozzle with two slits on its body, through which water sprays in designed shape.
4.1.1.2 Double-slit drencher nozzle
A drencher nozzle with two slits on its body, through which water sprays in designed shape.
4.1.2 Impulse drencher nozzle
4.1.2 Impulse drencher nozzle
4.1.2.1 Deflector impulse drencher nozzle
A drencher nozzle through which water flows out to impulse the outer guide deflector and sprays in designed shape.
4.1.2.1 Deflector impulse drencher nozzle
A drencher nozzle through which water flows out to impulse the outer guide deflector and sprays in designed shape.
4.1.2.2 Surface impulse drencher nozzle
A drencher nozzle through which the water flows out to impulse the outer guide surface and sprays in designed shape.
4.1.2.2 Surface impulse drencher nozzle
A drencher nozzle through which the water flows out to impulse the outer guide surface and sprays in designed shape.
Contents of GB 5135.13-2006 Foreword i
6.1 Appearance and marking
6.1 Appearance and marking
6.2 Flow coefficient
6.2 Flow coefficient
6.3 Spray angle and deflection angle
6.3 Spray angle and deflection angle
6.4 Spray shape
6.4 Spray shape
6.5 Water uniformity
6.5 Water uniformity
6.6 Radiant heat blocking capacity
6.6 Radiant heat blocking capacity
6.7 Ammonia stress corrosion
6.7 Ammonia stress corrosion
6.8 Moist sulfur-dioxide corrosion
6.8 Moist sulfur-dioxide corrosion
6.9 Salt-spray corrosion
6.9 Salt-spray corrosion
6.10 Resistance to low temperatures
6.10 Resistance to low temperatures
6.11 Resistance to heat
6.11 Resistance to heat
7.1 Appearance inspection
7.1 Appearance inspection
7.2 Flow coefficient measurement
7.2 Flow coefficient measurement
7.3 Measurement of spray angle and deflection angle
7.3 Measurement of spray angle and deflection angle
7.4 Spray test
7.4 Spray test
7.5 Water uniformity test
7.5 Water uniformity test
7.6 Radiant heat blocking test
7.6 Radiant heat blocking test
7.7 Ammonia stress corrosion test
7.7 Ammonia stress corrosion test
7.8 Sulfur-dioxide corrosion test
7.8 Sulfur-dioxide corrosion test
7.9 Salt-mist corrosion test
7.9 Salt-mist corrosion test
7.10 Low-temperature test
7.10 Low-temperature test
7.11 High-temperature test
7.11 High-temperature test
8.1 Inspection classification
8.1 Inspection classification
8.2 Batch
8.2 Batch
8.3 Sampling
8.3 Sampling
8.4 Judgment rules
8.4 Judgment rules
9 Package, transportation and storage
Annex A (Informative) Downward spray diagram and lateral spray diagram
Referred in GB 5135.13-2006:
GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods *
GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 1:Parallel internal and taper external threads *
GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 2:Taper internal and external threads padding: 6px;
color: rgb(153, 153, 153);
background-color: rgb(248, 248, 248);
border-bottom: 1px solid rgb(153, 153, 153);
GB 5135.13-2006 Automatic sprinkler system Part 13:Performance requirements and test methods of drencher head (English) Standard No.
Translation Price(USD) 180.0 Implemented on 2006-12-1 Delivery
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Detail of GB 5135.13-2006 Standard No.
Automatic sprinkler system Part 13:Performance requirements and test methods of drencher head Chinese Name 自动喷水灭火系统 第13部分:水幕喷头
Chinese Classification C83
Professional Classification GB ICS Classification Issued by AQSIQ; SAC Issued on 2006-04-07 Implemented on 2006-12-1 Status valid Superseded by Superseded on Abolished on Superseding Language English File Format PDF Word Count 6000 words
Translation Price(USD) 180.0 Keywords
GB 5135.13-2006, GB/T 5135.13-2006, GBT 5135.13-2006, GB5135.13-2006, GB 5135.13, GB5135.13, GB/T5135.13-2006, GB/T 5135.13, GB/T5135.13, GBT5135.13-2006, GBT 5135.13, GBT5135.13
9 Package, transportation and storage
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 2828.1Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
- GB/T 10125Corrosion tests in artificial atmospheres - Salt spray tests
GB/T 5135.1
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Related Standards
GB/T 10125-2021 — Corrosion tests in artificial atmospheres - Salt spray tests
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
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