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GB 5135.21-2011: Automatic sprinkler system -- Part 21: Inspector＇s test connection
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Automatic sprinkler system -- Part 21: Inspector＇s test connection
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Basic data | Standard ID | GB 5135.21-2011 (GB5135.21-2011) | | Description (Translated English) | Automatic sprinkler system -- Part 21: Inspector��s test connection | | Sector / Industry | National Standard | | Classification of Chinese Standard | C84 | | Classification of International Standard | 13.220.10 | | Word Count Estimation | 11,111 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-06-01 | | Quoted Standard | GB/T 191; GB/T 1226; GB 5135.11; GB/T 7306.1; GB/T 7306.2; GB/T 9969 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard relates to sprinkler system to test the water with a terminal device terminology and definitions, classifications, model preparation, requirements, test methods, inspection rules, marking, instruction manual and packaging, transportation and storage. This standard applies to automatic sprinkler system used in the end water devices. | GB 5135.21-2011: Automatic sprinkler system -- Part 21: Inspector＇s test connection---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Automatic sprinkler system.Part 21. Inspector's test connection
ICS 13.220.10
C84
National Standards of People's Republic of China
Automatic sprinkler systems
Part 21. end water device
Automaticsprinklersystem-Part 21. Inspector'stestconnection
Issued on. 2011-12-30
2012-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB 5135 this part of Chapter 6, Clause 8 and 9.1 are mandatory, the rest are recommended.
GB 5135 "automatic sprinkler system" has been divided into 21 sections.
--- Part 1. Sprinklers;
--- Part 2. Wet alarm valves, retard, water alarm;
--- Part 3. spray nozzle;
--- Part 4. Dry alarm valve;
--- Part 5. deluge alarm valve;
--- Part 6. General Valve;
--- Part 7. flow indicator;
--- Part 8. Accelerator;
--- Part 9. Early Suppression Fast Response (ESFR) sprinklers;
--- Part 10. Pressure Switch;
--- Part 11. grooved pipe fittings;
--- Part 12. Extending coverage product sprinklers;
--- Part 13. Water curtain nozzle;
--- Part 14. Preaction means;
--- Part 15. head of household;
--- Part 16. Fire sprinkler hose;
--- Part 17. valve;
--- Part 18. Fire pipe hangers;
--- Part 19. Plastic pipes and pipe fittings;
--- Part 20. coated steel;
--- Part 21. end water device.
This is Part 21 GB 5135's.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Standardization Technical Committee fixed fire extinguishing system Technical Committee (SAC/TC113/SC2) centralized.
This section is responsible for drafting unit. Ministry of Public Security in Tianjin Fire Research Institute.
Participated in the drafting of this section. Guangdong wins Czech Fire Technology Co., Ltd. Hangzhou Jian fire-fighting equipment.
The main drafters of this section. Cao red, sip Fengying, HU Qun Ming, Li, Luo Zongjun, Bishao Ying, Zhang Yin-hua, Zhang Limei, Chen Tao, Yu Zhuohao.
This section first release.
Automatic sprinkler systems
Part 21. end water device
1 Scope
GB 5135 this section provides an automatic sprinkler system with the end of the test water means the terms and definitions, classification, model designation, requirements,
Test methods, inspection rules, signs, instructions and packaging, transportation and storage.
This section applies to the end of the automatic sprinkler system for use in water-test equipment.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packaging - Pictorial signs
GB/T 1226 General Pressure Gauge
Part 11 GB 5135.11 sprinkler system. grooved pipe fittings
Part 1 GB/T 7306.1 55 ° sealing pipe thread. inner cylindrical thread and taper external thread
Part 2 GB/T 7306.2 55 ° sealing pipe thread. inner Taper internal and external threads
GB/T 9969 General Instructions industrial products
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
End water device inspector'stestconnection
The test valve, pressure gauge, test the water nozzle and the protective cover, etc., for monitoring the end pressure sprinkler systems, and test system
Device is activated, alarm and other functions.
3.2
Pilot valve testvalve
Test the water by the end of the control device can be turned on manually or electrically, closed valve.
3.3
Test the water nozzle testnozzle
Outlet flow coefficient with the same floor where the fire district or automatic sprinkler system consistent minimum nozzle flow coefficient nozzles.
3.4
Rated working pressure ratedworkingpressure
End water device should wait state or operating condition maximum allowable working pressure.
Category 4
4.1 Press control mode is divided into.
a) manually-end water-test equipment (Code S);
b) electric-end water-test equipment (code D).
4.2 divided by feedback means.
a) with signal feedback means-end water-test equipment (code X);
b) without signal feedback means-end water-test equipment (not marked).
5 model designation
End water device model specifications by the product code (ZSPM), performance code, classification code and other components.
Automatic sprinkler systems
End water device
Nominal flow coefficient
Rated working pressure (MPa)
Classification Code (according to the order of 4.1, 4.2)
Enterprise custom
Example 1. ZSPM-80/1.2-S represents a nominal flow coefficient K = 80, rated working pressure of 1.2MPa manually-end water-test equipment.
Example 2. ZSPM-80/1.2-DX represents the nominal flow coefficient K = 80, with a rated working pressure of the electric signal feedback means-end test 1.2MPa water
Means.
6 Requirements
6.1 Appearance and flag
6.1.1 end water surface of the device should be flat and smooth, bump-free processing defects and damage to the coating, the coating should be uniform, beautiful color. Protective cover
Color should be red.
6.1.2 guard obviously should be set clear, permanent signs and symbols which shall conform to 9.1.
6.1.3 test valve should clearly identify its open or closed.
6.2 Rated Operating Pressure
End water - test equipment should not exceed the rated working pressure of 1.2MPa.
6.3 Material
Pilot valve, water nozzle test shall be not less than the corrosion resistance of brass metal material.
6.4 connection type
End water connections in the form of devices should meet the GB T 7306.1, GB/T 7306.2 and GB 5135.11 provisions /.
6.5 Flow Coefficient
7.2 according to the method prescribed test, K either end water discharge coefficient means a measured value and the average value should be in accordance with Table 1
Provisions.
Table 1 flow coefficient deviation
Nominal flow coefficient K deviation
57 ± 3
80 ± 4
115 ± 6
160 ± 8
200 ± 10
Other flow coefficient K ± (K × 5%)
6.6 strength properties
7.3 according to the method prescribed test, end water device should be no leakage, deformation and damage.
6.7 sealing performance
7.4 according to the method prescribed test, end water device should be no leakage.
6.8 Function
7.5 6.8.1 according to the method specified in the test, the device should be able to end water manual, electric (if applicable) and other flexible open with letter
After No. feedback means-end water-test equipment operation, should be able to output a feedback signal should be no leakage after closing.
6.8.2 electric end water device should have a manual start function.
6.8.3 end water device should have measures to prevent misuse, the pressure gauge should be installed at the mouth with a switch.
6.9 reliability
7.6 according to the method prescribed test, end water system shall be capable of operation 1000, and each flexible open, there should be no leakage after closing.
6.10 salt spray corrosion resistance
7.7 according to the method prescribed test, test the water nozzle should not have significant corrosion damage. After the test, the flow rate coefficient measurement test, should
Compliance 6.5.
6.11 Overload
Band signal feedback means-end water-test equipment tested in accordance with the provisions of 7.8, which should not be overheating electrical components, electrical corrosion pits,
Contact adhesive and so on.
6.12 withstand voltage performance
Electric band signal and the feedback means-end water-test equipment according to the method specified in 7.9 test, terminals, live parts and metal
It should not appear between brackets (including housing) surface flashover, sweep discharge, corona or breakdown.
6.13 insulation requirements
Electric band signal and the feedback means-end water-test equipment tested in accordance with the provisions of 7.10, the insulation resistance between the following components should be large
In 2MΩ.
Between a) when the contact is open, peer into the line and the outlet (if applicable);
b) each of the live parts and the metal bracket (including housing) between.
6.14 Contact Resistance
Band signal feedback means-end water-test equipment tested in accordance with the provisions of 7.11, the contact resistance of the switch between each pair of close contacts should be small
To 0.1Ω.
6.15 Operating Supply
Electric-end water-test equipment according to the method prescribed test 7.12, power supply voltage fluctuations in the nominal operating voltage × (1 ±
15%) range, should be able to work properly.
6.16 gauge
Test pressure gauge should be installed before the valve, pressure gauge accuracy should not be less than 1.6, the performance should be consistent with the provisions of GB/T 1226's.
7 Test methods
7.1 Appearance, materials, test connections
By visual inspection or by using the measuring apparatus of the end of the water means the appearance of signs, materials and connections and other test, measurement.
7.2 flow coefficient measurement
At the end of the end water device is mounted on the test apparatus, the test pressure from 0.05MPa ~ 0.65MPa, 0.10MPa measurement intervals
End test the water flow device, the pressure measurement accuracy of not less than 0.5, flow measurement accuracy should not be below 1.0. For each test end
Water installations, high pressure should start with a low rise, to each measurement point, from high to low, to each measurement point.
The measured data according to formula (1) to calculate, calculate the flow coefficient and the average of each of the pressure points.
Flow coefficient K according to the formula (1).
K = Q
10p
(1)
Where.
p --- end water manometer apparatus at the test pressure, in megapascals (MPa);
Q --- end water flow device, in units of liters per minute (L/min).
7.3 Strength Test
The end of water-test equipment installed in the test apparatus, filled with water after the exclusion of air, the specimen was slowly stepped up to 1.5 times the rated working pressure, Paul
Holding time 5min, the end of the test apparatus to test the water to test the water valve is open. To prevent damage to the test of non-pressure parts.
7.4 Sealing test
The end of water-test equipment installed in the test apparatus, filled with water after the exclusion of air, the specimen was slowly stepped up to 1.1 times the rated working pressure, Paul
Holding time 5min, the end of the test apparatus to test the water to test the water valve is closed. To prevent damage to the test of non-pressure parts.
7.5 Function test
The end water device is mounted on a test device that adjusts the water inlet of the device at the end of the test pressure and the rated operating at 0.05MPa
Under pressure, the opening and closing end water means the end of water-test equipment to check the operation of and seal the case.
7.6 reliability test
The end of water-test equipment installed in the test apparatus, regulating apparatus end water inlet pressure 0.80MPa, manual, electric start, close
Valves 1000, after the test according to the test method specified in sealed test 7.4.
7.7 resistance to salt spray corrosion test
Test carried out in a spray salt spray corrosion box. Test brine solution concentration of 20% by mass, density 1.126g/cm3 ~
1.157g/cm3, pH value of 6.5 to 7.2. Degreasing the nozzle, the nozzle block at the entrance, in the normal use position hanging chamber
The middle of the studio. Studio temperature is controlled at (35 ± 2) ℃. In the working chamber should be at least two fog collection to adjust the testing process
Spray rate and the concentration of saline solution in the test, collected at each area of 80cm2, continuously collected 16h, collect hourly 1.0mL ~
2.0mL saline solution, the concentration should be 19% to 21%. Dropping from the test sample solution can not be recycled. Test cycle
10d, continuous spray. After the test, the sample was cleaned with water and placed in a temperature of (20 ± 5) ℃, relative humidity less than 70% of the environment
Natural drying 4d ~ 7d, check for corrosion and press the nozzle flow coefficient measured 7.2.
7.8 overload test
Between test voltage feedback device with signal-end water-test equipment contacts of overload test is applied to the contact between the contact
Rated voltage, the test current is 150% of the rated current at a frequency of 6 cycles per minute will be 500 cycles of operation. After the test for
Electrical components to be checked.
Voltage resistance test 7.9
Power Test This test uses 50Hz sinusoidal AC power.
When the rated voltage does not exceed 50V test voltage should be 500V, when the rated voltage exceeds 50V test voltage should be 1500V.
Test voltage 100V/s ~ 500V/s boost rate rose to zero from the test voltage required to maintain (60 ± 5) s, and check the electrical
element.
7.10 Insulation resistance test
The electric signal feedback device or tape-end water-test equipment placed in a constant humidity test chamber, the test temperature (40 ± 2) ℃, relative
Humidity 90% to 95%, the insulation resistance measured after holding 48h. Applying a DC (500 ± 50) V between member prescribed duration
(60 ± 5) s after the insulation resistance measurement. Contacts should be tested to ensure reliable contact between the test lead insulation resistance is large enough.
Test apparatus for measuring insulation resistance should meet the following technical requirements.
a) test DC voltage. (500 ± 50) V (to the end of a metal plate);
b) measuring range. 0MΩ ~ 500MΩ;
c) minimum scale. 0.1MΩ;
d) Timing. (60 ± 5) s.
7.11 contact resistance tests
Performed by the error does not exceed ± 5% of the resistance measuring instrument test, the test frequency is 5 times the average of the five tests as the test result.
7.12 Operating Supply
The electric signal feedback device or tape-end water-test equipment access to adjustable power supply, adjust the supply voltage (rated voltage ×
85%) V, 50Hz, adjust end water pressure at the inlet of the device are under pressure and the rated working pressure 0.05MPa, the triggering mechanism.
Adjust the supply voltage (rated voltage × 115%) V, 50Hz, adjust end water pressure at the inlet of the device, respectively
0.05MPa under pressure and the rated working pressure, the triggering mechanism.
8 Inspection Rules
8.1 Inspection classification
8.1.1 Type inspection
When one of the following conditions, type inspection in accordance with Table 2.
a) When new products into production;
B) after the official production, such as structure, materials, processes greatly changed;
c) products to the plant or site relocation time;
d) Product Discontinuance when more than one year to resume production;
e) when normal production for three years;
f) the national quality supervision bodies during type inspection requirements.
8.1.2 factory inspection
Delivery inspection according to items specified in Table 2 were tested.
8.2 Sampling
Random sampling method, the minimum number of samples less than 5 sets.
8.3 Batch
The same kinds of processes, materials and parts to build the same or the same type of production, with the specifications of the product batch.
8.4 Inspection procedures
Inspection procedures conducted in accordance with FIG.
Description. box indicate the test number, circle the number of the number of test specimens required.
Figure 1 Figure inspection procedures
Table 2 type test items, factory inspection items and substandard category
Standard test items Clause No. type inspection items
Factory inspection project failed category
A full inspection sampling Class B
Appearance 6.1 ★ ★ ★
Rated working pressure 6.2 ★ ★ ★
Materials 6.3 ★ ★ ★
Connection Type 6.4 ★ ★ ★
Flow Coefficient 6.5 ★ ★ ★
Strength properties 6.6 ★ ★
Sealing performance 6.7 ★ ★ ★
Function 6.8 ★ ★ ★
Reliability 6.9 ★ ★ ★
Salt spray corrosion resistance 6.10 ★ ★
Overload a 6.11 ★ ★
Withstand voltage performance of a 6.12 ★ ★
Insulation requires a 6.13 ★ ★
Contact resistance of a 6.14 ★ ★
Power supply a 6.15 ★ ★ ★ ★
Pressure gauge 6.16 ★ ★ ★
Note. ★ For the test items.
a formula for the electric with signal feedback means-end test test item water apparatus.
8.5 test results to determine
8.5.1 factory inspection
Factory inspection of all qualified projects, it is determined that batch of qualified products.
8.5.2 Type inspection
Type test items are all qualified, then the product is judged as qualified.
Type test items appearing in Category A qualified, this batch of products as unqualified; Class B non-conformities appear greater than or equal to 2, the penalty
The batch of products to be ineligible.
9 signs, instructions
9.1 mark
9.1.1 end water system should be set clear, permanent markers, including at least.
a) Product name and model specifications;
b) manufacturer's name or trademark;
c) The main electrical performance parameters (where applicable);
d) the production date.
9.1.2 packaging Pictorial marking shall comply with GB/T 191's.
9.2 User's Guide
Instructions should be GB/T 9969 requirements for the preparation, which shall include at least the use of environmental conditions, production basis, it is necessary to make
Parameter, installation instructions, precautions, manufacturer's name, address and contact information.
10 packaging, transportation and storage
10.1 Packaging
10.1.1 the end of the test water should be individually packaged devices.
10.1.2 product packaging shall be accompanied by instruction manual and certificate.
10.2 Transportation
End water-test equipment during transport should be rain, shock, handling should prevent impact.
10.3 Storage
End water device should be placed in ventilated, dry warehouse, avoid contact with corrosive substances, storage temperature should be -10 ℃ ~ 40 ℃
between.
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