GA 411-2003 Chemical oxygen fire fighting self-rescue breathing apparatus
Some standard content:
GA411·2003
5.1.5.4 of this standard are recommended provisions, and the rest are mandatory provisions. The standard is not approved by the European Committee for Standardization CEN. F101:1092 Self-rescuer for self-use: Re-arrangement, chemical oxygen (K> self-rescuer: requirements, test standard * English version). Some differences are added: According to the Chinese practice, some formatting formats have been modified. Some expressions of applicable dry currency standards have been changed to long descriptions suitable for the same standard:: The name of the standard is the same:
Type I have been reduced!
The structural requirements are restricted:
Added! The material of the protective hood is the radiation heat penetration performance: The material is related to the reduction and
Canceled, the air bag and the medicine are not the same. The resistance record A is a normative record.
This standard was proposed by the Ministry of Public Security's Economic and Housing Bureau
This standard was prepared by the Fifth Technical Committee of the National Fire Protection Standardization Technical Committee. The drafting unit of this standard: Shanghai Fire Science and Technology Institute of the Ministry of Public Security The drafters of this standard: Gai Xinliang, Dai Weiding, Fan Zuo, Xu Dangdi. 1 Scope
Chemical oxygen fire fighting self-rescue respirator
CA4112003
This standard specifies the type and model, technical requirements, test methods, inspection rules, labeling, packaging, transportation, storage and other requirements of chemical oxygen self-rescue respirator (hereinafter referred to as respirator). This standard is used for the disposable type and other isolation type and respirators with metal structure for escape in case of fire:
This standard is not suitable for pressure relief; scientific and educational type respirators are not suitable for diving type respirators. The breathing parts specified in this standard are basically designed for adults. 2 Normative references
The clauses in the following documents become the final clauses of this standard through reference in this standard. If it is a dated referenced document, all subsequent amendments (excluding errors or revised versions) are not applicable to this standard. However, the parties who reach an agreement based on this standard shall study whether the latest version of this document can be used. For all normative documents without a date, the latest version of these ten standards shall apply: GR/T21-1995 Test method for gas mask F-1995 Test method for the resistance of gas mask to air ventilator GA09-1099 MT2F-1S95 Chemical oxygen self-rescuer 3 Terms and definitions
The following terms and definitions are used in this standard.
Chemical fire fighting self-rescue breathing apparatus chemical Oxyhenrespiratarforfinreself-resrue the breathing organs of the fire fighters at night, and the oxygen produced by the monthly oxygen conversion rate is 4, which can provide people with hypoxia in the event of fire. The respirator protects the normal breathing properties of the human body within the protection time, such as inhalation composition, inhalation temperature, inhalation resistance, etc. 3.3
Protection time
The time when the respirator can prove that the human body is breathing normally: that is, the time from the test to the time when the protective performance index reaches the standard value:
Inhalation resistance inhalation resistance test respiratory protection performance, test the difference between full inhalation and close inhalation pressure during inhalation, 3.5
Exhalation resistance exhalation resistance test respiratory protection performance, test the pressure between the air inlet and the outlet of the device during exhalation. GA411-2503
Type and model
2. 1 Type
According to the rated protection time of the respirator, it is divided into four types, type 520, type 25 and type 3. 2.2 Model
The model of the breathing apparatus shall comply with the following provisions: H
Determined protection time/min
·Chemical oxygen
Fire training
·Breathing apparatus
Example; H=×15 Table 5 Technical requirements for chemical breathing apparatus with a specified protection time of 15min
5. 1 Manufacturing requirements
The breathing apparatus shall be manufactured according to the approved samples and technical documents in the prescribed procedure. 5.2 Structural requirements
1) The respirator can be used immediately after opening: there should be no unnecessary movements; the respirator should be composed of a protective hood, a medicine tank and an air storage bag; the connection should be secure and should not be disassembled under unavoidable circumstances;
2) The respirator should be equipped with a reflective mark around the head of the protective hood; if the protective hood is made of a material with reflective properties, the reflective mark may not be set;
3) The medicine end should have a heat-proof cover; the inlet and outlet should be small; the whole seal of the respirator should be opened. 5.3.1 Material requirements
All metal parts of the breathing tube shall be tested for corrosion, and their surface shall be free of defects such as burrs, etc. The metal parts shall be made of metal materials.
5.3.2 Abrasion resistance of materials
The aging resistance of plastic materials shall meet the requirements of 5.3.2 of GA2091S99. 5.33 Rubber materials in contact with the outside of the medicine shall be tested for performance. Rubber materials in contact with the outer wall of the medicine shall not emit pungent odors. 5 .3.4 Flame retardant performance of non-metallic materials on the outside of the vehicle The flame retardant performance of non-metallic materials must meet the requirements of 5.3.3 in GA2091999. 5.3.5 The heat resistance of protective hood materials should meet the requirements of 5.5.4 in A:99. 5.3.6 Packaging material strength
The packaging material strength meets the requirements of G409-10% only 5.3.5 5.4 Wind quality
The actual wearing volume of the respirator should be greater than 1800.
5.5 Anti-machine collision and environmental change performance
GA4112003
When the specified mechanical load, ambient temperature and humidity change, the respirator should have sufficient stability, should not cause damage to the light effect, and still meet the requirements of 5.2. 5.6 Protection performance
5.6.! Protection time
The protection time of the respirator should be less than the specified protection time. 5.6.2 Oxygen concentration
The oxygen concentration in the air bag within 2mm of the test should not be less than 17%, and the oxygen concentration during the protection time should be less than 21%. 5. 6.3 Carbon dioxide concentration
During the protection period, the half-average concentration of carbon dioxide in the air should not exceed 1.5, and the maximum should not exceed 3.% 5.64 Void phenomenon in the hazardous gas chamber
In the protective chamber, the whole air chamber should not have vacancy phenomenon: 5.6.5 Inhalation temperature
During the protection period, the inhalation temperature of 15-type in the door should not exceed 60%, and the inhalation temperature of 20-type, 25-type, and 35-type in the door should not be higher than 55℃, 566. Resistance
During long-term protection, the sum of the inhalation and exhalation pressures should not be greater than 1500Pa, and the single resistance of inhalation or exhalation should not be greater than 1600Ia:
5.7 The air conditioning system efficiency
The air coefficient of the single-limited area of the protective head should not be more than 2, and the air leakage coefficient of the protective head should not be greater than three times. 5. The provisions of the joint venture (1A209-1599) in the protective head are in compliance with the provisions of the H. 5.9 The air tightness of the exhalation system
The water pressure of the force gauge should not rise by more than 100 Pa within 1min after the air leakage test. 5.10 The effective volume of the gas tank
The effective volume of the direct-flow device should not be less than 2.11 The connection strength
The axial tension that the medicine tank, gas storage device, and the ventilation device can withstand with the air supply and the air supply of the protective head should not be less than 50N. 5.12 Excess gas emission room
If the gas storage device is equipped with a residual gas container, it shall meet the following requirements: a) The excess gas emission should be within the range of S8~2Pa. b) The excess gas emission value of the clean gas conditioning system shall not drop by more than 49s within 49s. 5.13 Performance of personnel wearing respirators
5.13.1 Objective evaluation
The respirator should be able to be quickly removed without using tools or over-speeding; the straps should be able to be quickly tightened and removed; the wearer should be comfortable and comfortable
The material of the respirator should not touch the skin; the parts in contact with the wearer should not have sharp edges, thorns, etc.; after wearing the respirator, the personnel should not feel any discomfort; the breathing should not be affected by the breathing; the breathing should not be out of the standard; the vision should not be unclear.
5.13.2 Objective evaluation
The objective evaluation should comply with the provisions of 5.6.
6 Test method
6.1 Determination of thermal mass
The wearing mass of the respirator shall be determined by an electronic device with a capacity of 1/30 of that of the U3 vehicle.4 of the current provisions 3
GA 411-20C3
6. 2 Material test
5.21 Food exhibition material requirements
Monthly test is completed, the formation of 5.3.1 of the current provisions, 6.2.2 Rubber disc material aging performance test
If the chemical performance test is carried out according to the provisions of 3.2.2 of G42091 S, the results should be derived from 5.5.2. 6. 2. The fast-acting rubber material in contact with the external device of the drug disc can be placed in a 1%:13 environment for 120i=5i. The results meet the requirements of 5.3.3. 6.2. Material flammability test
Material flame retardant performance test shall be carried out in accordance with the provisions of 6.2.3 of GA209-1999, and shall comply with the provisions of 5.1. 6.2.5 Protective head heat resistance test Protective shield material radiation heat resistance test shall be carried out in accordance with the provisions of 4, and shall comply with the provisions of 5.3.5. 6.2.6 Anti-fall test
Anti-fall and rot test shall be carried out in accordance with the provisions of 6.2.5 of GA209-1999, and shall comply with the provisions of 5.3.6 and 5.5. 6.2.7 Packaging material anti-perforation and tearing performance test Packaging material anti-perforation and rupture test shall be carried out in accordance with the provisions of 6.2.6 of GA233-1999, and the results shall comply with 5.3.6. 6.3 Mechanical impact and environmental change resistance test 6.3.1 Mechanical or carbon resistance performance test
Mechanical flow reversal performance test shall be carried out in accordance with the provisions of CA209-1195118.3.1. The test time is about 20min. The results shall meet the requirements of the individual requirements. 6.3.2 Environmental chemical resistance test
The environmental change resistance test shall be carried out in accordance with the provisions of 5.5.2 of A209-1195. The results shall meet the requirements of 5.3. 6.4 Protection performance test
6.4. Test performance
Test table". Table 1 Protective properties of the test case Gas composition, change/%: Respiratory volume (RIR) (times/in) Respiratory rate (times/in) 95--- 63...+c. 1 Note: The respiratory rate of the test case is 2U, and the volume of the test case should be calculated to 1.3. E.4.2 Test device E. 4.2. 1 Test device plus = as shown
human suction machine:
(two);
class by people)
point condition meter:
thermal element (also by point condition meter air system)
device (see Figure 2):
cold micro terminal (see Figure 3):
heat production:
cold system water penetrating device
a cold flat water into the mountain 7:
chemical supply only
two Hualing modified certificate:
single gas meter:
air flow meter:
welcome gas group;
atmospheric volume meter:
oxygen analyzer:
load K report analysis (inhalation):
condition ratio: inhalation):
instant music fake:
double connection element
learning inspection heater
Figure 1 protection performance test narrow pulse theory country
GA 4112003
CA 4112003
1-point meter (rush to add display)
heating element (25cW--3uuW
juice water transformer
fax pager:
electric idle,
Figure 2 heating device ticket management perimeter
unit fire competition meter
[-cooling water
2-water
to people "respirator
-of.
National 3 Cooling Width Principle National
GA 4112003
Single for
GA411-2003
Model head
To pressure position:
Measurement of humidity position, air
Balance of exhalation
Hot phone:
Pei Zheng dynamometer.
G.2.2.2 Equipment and equipment should be clear about the following requirements, 8
National 4 relay schematic diagram
For things to come
People. 1 Respirator: respiratory volume range 101mia~4 1/imi; respiratory rate, (, 15, 225, 3 times/ri breathing a||t t||Ratio 1:1:
To the east: flow string is not less than L/miri
Bile point short meter: measurement range is 0 diagnosis ~)T, guess accuracy ±.2%;c
Micrometer: hot air product exhibition 354 humidity capacity Dazhou to verify the degree of more than 9% GA411—2003
) rate analysis, to the layer pool again ~ [heart length, accurate seat ± 2% measurement with heart%~% accurate pressure ±%f Carbon dioxide flow range is used to extract the degree%
Gas relatively: 31.;
Oxygen analysis: do model 0--10 Xing, precision silicon degree 1C.5%h?
) Cold end:! 500--1000
j) The total volume of the respiratory and gastric circuit system shall not exceed 2300mL6. 4 3 Test preparation
Open the standard gas standard analysis reagent "to the chemical limit analysis" to conduct a rate check on the test volume: at 1.96kPa, the force is as follows 6:1" The test device should not support the inhalation and exhalation volume of +93 Pa
to determine the artificial respiration twist! d:
Check the water inside the wet chamber:
Before the test, place the respirator within the range of ±1.6.4.4 Test steps
.) Turn on the energizer and then move the breathing machine to the intake air with a speed of 37+C.5. The air flow rate is -15%: Dial the additional rate into the air passage to 1.5m, adjust the exhalation end stop to 452
.1 System specification:
Put the artificial respirator on, and calibrate the respirator at the lowest position possible! d) During the test, record the vacuum rate, carbon dioxide concentration, inhalation temperature, air resistance, and observe the air volume 2>
. When the air bag is empty, perform the small test, and the result should meet the requirements of 5.5. The average carbon monoxide concentration in the air bag is calculated by the following formula: C
. The average carbon monoxide concentration is:
. The average carbon monoxide concentration in the air bag is:
. The average carbon monoxide concentration in the air bag is:
. The average carbon monoxide concentration in the air bag is:
. The average carbon monoxide concentration in the air bag is:
. 6.5 End gas coefficient test
The gas system test of the attached protective blood and face ear is carried out according to the provisions of 3. [132891-195-the conclusion should be selected in accordance with the test provisions.
0.6 Protective head vision test
The protective head vision test shall be carried out according to the provisions of GT 2ks1-1 Appendix 5. The results shall comply with the provisions of 5 and 3. 6.7 Breathing system airtightness test
The breathing system airtightness test shall be carried out according to M1425
: 1. The standard is 5 "low, 6.8 air bag effective capacity determination
gas effective capacity process open wet gas meter Xie real, the fruit sense meets the requirements of 11, without excess one-piece bag effective volume book formulation, positive a to negative 1 sample from the gas discharge from the rest of the gas!
b with excess gas discharge medical gas over effective volume determination white discharge valve pressure section negative huge ua inch from the busy gas you store gas volume,
n. Connection strength test
GA 411 -2003
The connection strength test shall be carried out in accordance with the provisions of 1.7 of A209-1993, and the sealing shall comply with the provisions of 5.11. 6.10 Excess gas discharge tunnel test
6.10.1 Excess gas discharge opening pressure determination The opening pressure determination of the excess gas discharge network shall be carried out in accordance with the provisions of 5.7 of MT425-155. The sealing shall comply with the provisions of 1.12. 6.10.2 Excess gas discharge reverse airtightness test The excess gas discharge reverse airtightness test shall be carried out in accordance with the provisions of 4.8 of MT/21-1595. The test results shall meet the requirements of 6.12. 6.11 Test of wearing performance of the helmet
6.11.1 Subjective evaluation
The test results shall meet the requirements of 5.2 and F.3.1 in the GA2091S99 5H standard. 6.112 Subjective evaluation
The test shall be conducted by three persons, who shall complete the following test items in succession, running at a speed of 1m+3h on a running track with a variable speed of 2.4kru/h and 0.2m/h for the full rated time.In the industry test data, the added density, carbon dioxide volume, and the inhaled group density must be measured at the breathing area. The results should meet the requirements of 5.6.
7 Inspection rules
7.1 Inspection classification
Inspection is divided into type inspection and inspection rate, which are carried out according to 7.2 and 7.7.2 Type inspection
When one of the following situations occurs, the product shall be subjected to type inspection: u) New products or products to be transferred: trial production and frequency identification; ) Some products in production have relatively large changes in raw materials, design, technology, and production investment, which may affect product quality; e) Normal production has been continued for one year:
Small products have been suspended for more than one year and resumed production; e) The quality supervision agency has proposed the requirements for type inspection. 72.1 Inspection items
The items for type inspection are all the items specified in the technical requirements of this standard and 8.1 Standard inspection. 7.2.2 Sample size
The sample size for type inspection is one item. 7.2.3 The difference between the product batch and the product batch received for type inspection shall not be less than 7.2.4 Qualification judgment
The product items for type inspection shall be qualified if all items meet the requirements of this international standard. 7.3 Factory inspection
After production, the products must be inspected by the manufacturing quality inspection department. Only after they have obtained the "quality certificate" can they be shipped out of the factory: 7.3.1 Factory inspection items
The factory inspection items are: connection number, resistance to magnetic control and environmental chemical performance, air tightness of breathing coefficient, connection pressure, opening pressure of excess gas exhaust, air tightness of excess gas exhaust valve, 7.3.2 Inspection form
Inspection: The batch should be of the same model, and the production conditions and production time are the same. 7.3.3 Unqualified classification See Table 2 for unqualified classification, some requirements for control and control, anti-machine model and flow cavitation performance, dihydrogenation concentration, gas protection level, gas model/gas: return air resistance, breathing force bearing The single volume of gas is /F.
Gas emission should be integrated with the gas emission characteristics
Joint report
+Lear gas emission flash film
, the gas emission network will be reversed.
Table 2 Unqualified classification
Failed to meet the standard requirements
There are flames, Shao, etc.
Failed to fail
Failed to meet the standard requirements
Failed to meet the standard requirements
There is a phenomenon of suction
This does not meet the standard requirements
Does not meet the standard requirements
People sent to the standard must bewwW.bzxz.Net
Design: The table + table is small. There will be a small amount of gas in the gas discharge network. The test needs to be tested. 73.4 Determine the sampling method
Not in compliance with the control points
There is a bad combination of
>1 and
1: and 122
Meet the ball fence requirements
GA 411.: 2003
2-1 50n H≤$1 Rr
21 300 and: 100
Using the normal inspection plan and the general inspection level III, the AQLs provided are AQL~1., AQ:4.3,
1.3.5 Determination of sample size
The sample size is based on the number of people in a batch. The sample of the core destructive test item is one. Table 3 Normal inspection sample size
Batch size
26--60
91--15c
: :-2U
25-500
1 20. -5 262
3 2e1...15 nns
7.3.6 Sampling method
Sampling number
From the inspection of the engine oil, 7,3.5 [the sample number of the product is determined, 7.3.7 Batch quality determination
7. 3. 7. 1 4 types of non-conformity
Classification of materials
Class A non-conformity determines that the batch is non-conforming.
In the sample 2, the observation
73.72 and C non-conformity
Class C is determined as the effect group
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