Some standard content:
GB9953--1999
This standard is based on GB/T1.1--1993 "Guidelines for Standardization: Unit 1: Rules for Drafting and Presentation of Standards Part 1: Basic Regulations for Standardization" GB/T1.3--1997 "Guidelines for Standardization·Unit 1: Rules for Drafting and Presentation of Standards Part 3: Regulations for the Preparation of Product Standards" issued by the State Administration of Quality and Technical Supervision and the International Maritime Organization (IMO) A689(17) Resolution: "Testing of Lifesaving Appliances" (1991), and revised CB9953-1988 "Thermal Immersion Suit-Technical Requirements" and GB9954-1988 "Thermal Immersion Suit-Test Methods". The format of this standard is consistent with the requirements of national standards, and the technical content is consistent with international developments. This standard was proposed by the Fisheries Bureau of the Ministry of Agriculture.
This standard is under the jurisdiction of the Chinese Academy of Fishery Sciences. The drafting unit of this standard: Tianjin Fisheries Bureau. The main drafters of this standard are Wang Yewei, Zhou Yaxin and Ma Ruishen. 133
1 Scope
National Standard of the People's Republic of China
Immersion suits
GB 9953--1999
Replaces GB9953--1988
GB 9954--1988
This standard specifies the types, technical requirements, test methods, inspection rules, product marking and packaging and storage of immersion suits. This standard applies to the production and inspection of immersion suits. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GB1038-1983 Technical conditions for transport packaging of marine navigation instruments 3 Terms
3.1 Water-insulating suit
A life-saving suit with specified thermal insulation and buoyancy performance, which is composed of a cap (with a mask), a jacket, pants, boots, gloves, etc. (gloves may not be connected) and is watertightly connected as a whole.
3.2 Insulating water-insulating suit (Type B)
It is made of thermal insulation materials and its thermal insulation performance meets the requirements of 4.4.1. 3.3 Non-insulating water-insulating suit (Type 3) It is made of low thermal insulation materials and its thermal insulation performance only meets the requirements of 4.4.2. 4 Technical requirements
4.1 Materials and specifications
4.1.1 The material of the flood insulation suit should be waterproof, heat-resistant, flame-retardant, oil-resistant, and have the specified strength. It can be a single-layer or multi-layer composite type, and must be non-toxic, non-irritating, and will not be unusable due to the influence of sea air, seawater, fresh water, oil and fungi. 4.1.2 The outer surface of the immersion insulation suit should be orange under H light. 4.1.3 The weight of the immersion insulation suit should not exceed 7kg, and the specifications should meet the use requirements of people with a height of 1.60~~1.80m. 4.2 Structure
4.2.1 The chest of the suit should be equipped with a life-saving ring (buckle) that can withstand a tensile force of 3000N. 4.2.2 The waist of the clothing should be equipped with an emergency pocket for storing items that are not easy to lose. It should contain a 1.5m thin rope (for connecting people after entering the water), a life-saving whistle (firmly connected to the clothing with a thin rope, with a closed mask), and an approved life jacket light (with a light intensity of not less than 0.75cd; a light source that can provide a light intensity of 0.75cd for at least 8 hours).
Clothing The hat, chest, abdomen and back should be permanently attached with approved reflective materials, each with an area of 100mm×300mm, and the total number should be no less than 4.2.3
5 pieces.
Approved by the State Administration of Quality and Technical Supervision in 199904~05 13.1
Implementation on 1999-07-01
4.2.4 The hat is watertightly connected to the body of the suit.
4.2.5 Gloves can be 5-finger type, but should be at least 3-finger type. GB 9953—1999
4.2.6 The sealing zipper (chain) of the clothing should be made of stainless material. 4.2.7 The immersion thermal suit should be equipped with equipment below the legs to minimize or eliminate the free air in the trouser legs. 4.3 Floating state and stability
Floating thermal suits with buoyancy (no need to wear a life jacket) should be equipped with a floating pillow at the back of the head and neck. When it is worn into calm fresh water, the buoyancy and stability formed should meet the following requirements (immersion thermal suits without buoyancy should also meet the following requirements after wearing a life jacket): 1-Can be fully relaxed The mouth of the person in the state (if wearing a closed mask, it should be the lower edge of the respirator) is at least 120mm above the water surface; bZxz.net
--Within 5 seconds, the unconscious person in the water can be automatically turned from any position to a supine position with the mouth above the water surface;--After the buoyancy of the immersion thermal suit with buoyancy (no need to wear a life jacket) is immersed in fresh water for 24 hours, the buoyancy loss is not more than 5%. 4.4 Thermal insulation
4.4.1 The insulating immersion thermal suit (type B) should ensure that the wearer floats in still water with a water temperature of 0-2°C for 6 hours, and the human body anus The temperature drop shall not exceed 2°C.
4.4.2 Non-insulated immersion thermal suits (Type B) shall ensure that the wearer floats in still water at a temperature of 5°C for 1 hour, and the rectal temperature of the human body does not drop by more than 2°C.
4.5 Waterproofness
The outer surface of the immersion thermal suit shall be waterproof, and all structural joints of the suit shall be watertight: --- After a person wearing the immersion thermal suit floats in still water for 1 hour, the amount of water entering the suit shall not exceed 200g; once a wearer jumps into water at a height high enough to completely immerse his body, the amount of water entering the suit shall not exceed Over 500g. 4.6 Flame retardancy
The outer surface of the water-insulating clothing and its accessories should be flame retardant. The finished garment should not continue to burn or melt after being completely surrounded by fire for 2s and removed, and its performance should be guaranteed.
4.7 Temperature resistance
The water-insulating clothing should be able to withstand the temperature cycle test described in Article 5.9. 4.8 Oil resistance
The water-insulating clothing should be able to withstand the oil resistance test described in Article 5.11. 4.9 Strength
The materials, seams and zippers of the water-insulating clothing should be able to withstand the strength test described in Article 5.10. 4.10 The water-insulating clothing should be able to be stored at an air temperature of 30 to 65°C without damage and be used normally in a water temperature range of 1 to 30°C. 5 Tests
5.1 Wearing Test
When doing various tests, if the immersion thermal suit is of the type that requires a life jacket, the life jacket should be worn outside the immersion thermal suit. The subjects should be healthy, with a height of 1.60m, 1.70m, 1.80m for males and 1.60m, 1.70m for females. The standard clothing of the subjects is: underwear (shorts, shorts), shirt (long sleeves), pants (non-wool), woolen socks. In addition, for the thermal insulation test described in 5.?, the subjects should also wear two woolen pullovers. The immersion thermal suit in the packaged state is placed in an environment of -30℃ for 24h, and the subjects who meet the requirements of 5.1 are allowed to unpack and wear the clothes by themselves after demonstration (the ambient temperature is lower than -20℃ when wearing), and put on the clothes according to the use requirements within 2min (if a life jacket is required, the time of wearing the life jacket should also be included).
5.2 Human activity function test
Subjects who meet the requirements of 5.1:
-Climb up and down a vertical ladder of not less than 5m by themselves;135
Jump into a pool from a height of 4.5m:
G 9953-1999
---Swim a distance of 25m and climb into a life raft or a rigid platform 300mm above the water surface; Pick up objects such as pens from the ground
The subject's walking, bending, and arm activities are not restricted. 5.3 Visual field test
The subject wears a flood-proof thermal suit according to the use requirements and sits down with the head in a certain position. Let two movable targets move to the side and front of the subject from the left and right sides of the subject (each 5m away from the subject) where they are out of sight. When the moon mark is clearly visible to the subject, stop, draw lines connecting the subject and the moon mark, and use a protractor to measure the angles of the two lines (angle of vision). The angle of vision of the subject should not be less than 120° due to the influence of the water-free thermal suit. 5.4 Floating test
Let the subject who meets the requirements of 5.1 float freely in the water in a completely relaxed supine position. After stabilization, use a ruler to measure the vertical height between the water surface and the subject's mouth (if there is a face, it should be measured to the lower edge of the mask respirator) and the value should not be less than 120mm. 5.5 Re-correction test
Meet 5.The subject who meets the requirements of Article 1 shall slowly perform at least 1 breaststroke stroke, then relax the body while moving forward at the lowest speed, head down, without inhaling, to simulate a state of extreme exhaustion. Use a stopwatch to measure the time from the completion of the last stroke to the subject's body automatically turning over and the mouth leaving the water. Each subject shall repeat 3 times, and the subject's turning time shall not be less than 55.5.6 Waterproof test
Let the subject who meets the requirements of Article 5.1 wear a pre-soaked immersion protective clothing and jump into the water from a height sufficient to fully immerse the body in the water. The amount of water entering should be less than 500g: after floating in still water for 1 hour, the amount of water entering should be less than 200g. 5.7 Insulation test of non-insulated flood insulation clothing Fix the thermometer probe on the skin surface of the subject's anus and hands, feet, and waist respectively. Pay attention to wearing standard clothing that meets the requirements of Article 5.1 and put on the flood insulation clothing according to the use requirements. The subject jumps into 5°C still water from a height of 4.5m. After stabilization, start timing and record the temperature of each part. Record every 15 minutes thereafter. After soaking for 1 hour, exit the water (during the test, if the skin temperature of the hands, feet and waist drops below 10°C, the test should be stopped). The rectal temperature should not be lower than 2°C at the beginning of the test. The subject should be able to pick up a pencil and write according to instructions. 5.8 The condensation test of the adiabatic flood insulation suit is carried out according to 5.7. The soaking time is 6 hours. The rectal temperature should not be lower than 2°C at the beginning of the test. 5.9 Temperature cycle test
Put the flood insulation suit in a high temperature box with a constant temperature of 60°C for 8 hours and then take it out. After placing it at room temperature for 16 hours, put the flood insulation suit in a low temperature box with a humidity of 30°C for 8 hours and then take it out. Place it at room temperature for 16 hours. The above is a cycle. After completing 10 cycles in sequence, the flood insulation suit should not have any damage such as shrinkage, rupture, swelling, stratification, decomposition or change in mechanical properties. 5.10 Flame retardant test
Put the container on a windless ground, pour 10mm deep water into it, and then pour enough gasoline so that the total depth of water and gasoline is not less than 40mm. Light the gasoline and let it burn freely for 30 seconds. Use a hanger to hang the flooded thermal insulation suit upright, and move it through the center of the flame at a height of 250mm from the top edge of the container, so that it stays in the flame for 2 hours. After the flame is removed, the flooded thermal insulation suit should not continue to burn or melt, and its performance should be guaranteed.
5.11 Strength test
The pre-coagulated garment material is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the garment texture; the pre-wetted garment material with typical seams is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the seams; the pre-wetted garment material with sealed zippers (closed) is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the zippers. Tie the two ends of the above specimens in the length direction, hang one end horizontally, and hang a weight of 500N on the other end for 30 minutes. The specimens should not be damaged in any way and should be watertight. 136
5.12 Oil resistance test
GB 9953—1999
Seal all holes of the immersion thermal suit that may cause oil to enter the interior, place them flat in the oil tank, press them with a heavy object, and inject diesel into the oil tank, the amount of which is 100mm higher than the immersion thermal suit for 24 hours. After wiping off the diesel on the surface, there is no obvious change in the surface color, no swelling, shrinkage, blistering, etc. 5.13 Buoyancy test
Use light and soft materials to inflate the immersion thermal suit into shape, and all gaps that may cause water to enter the interior must be sealed. Pour enough fresh water to immerse the immersion thermal suit into the pool and record the water surface height. Use any feasible method to immerse the shaped immersion thermal suit under the water surface and record the water surface height. Record the water surface height after 24 hours, calculate the change in water volume, and the buoyancy loss and buoyancy loss rate should not exceed 5%. 5.14 Test of closed mask breathing normally without hypoxia Inflate the air sample of the test area in the test area into an air bag, seal it and number it (this air sample is used for analysis and comparison). In the sampling area, ask the subject to breathe the gas inhaled into the lungs (maximum lung capacity can be used) before wearing the suit into another air bag through a hose, write the subject's name, and number it as 0 (for analysis and comparison). After the subject wears the suit, lie on his back on the bed or on the water surface and start timing. Every full hour, ask the subject to breathe into another air bag through a hose with the maximum exhaled volume and write the subject's name and number it as 1. This process lasts for 6 hours and 6 air samples are collected. The 7 (0~～6) air samples collected by each subject are measured and analyzed by a respiratory automatic analyzer or other equivalent instruments. The mask of the B-type cow rescue suit should ensure that the wearer has normal breathing gas exchange before and after entering the water, and there is no hypoxia such as shortness of breath and wheezing after transition adaptation. The measured oxygen content of the exhaled gas is within the normal range. 6 Inspection rules
6.1 The inspection of flood insulation clothing is divided into factory inspection and type inspection. 6.2
Factory inspection is carried out by the product quality inspection department of the manufacturer. Each set of products should be subject to factory inspection (see Table 1). Table 1
Factory inspection items Layer
Accessories
Wearability
Floating stabilityBuoyancy
Thermal insulation
Waterproof
Flame retardancy
Heat resistance
Oil resistance
Mask field of view
6.3 Type inspection
Technical requirements
4.2.1;4.2.2;4. 2.3
When any of the following conditions occurs, a type inspection shall be carried out: Inspection method
5.7;5.8;5.9;5.10;
5.11;5.12:5.13
Observation under moonlight
Comparison of finalized products
5.5;5.6;5.14
Factory inspection
Type inspection
GB 9953--1999
a) During the trial production of new products or the trial production of old products in the factory; b) After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, inspections are carried out every 3 to 4 years; d) When the product is resumed after a long period of suspension; e) When there is a big difference between the factory inspection results and the last type inspection; f) When the relevant national quality supervision department proposes a type inspection requirement. 6.3.1 Products submitted for type inspection must be randomly selected from the products that have passed the factory inspection, and the number of samples to be selected is 5%, but not less than 3 sets. 6.3.2 Type inspection items are in accordance with the provisions of Table 1. 6.3.3 If one item does not meet the requirements during the inspection, double sampling is allowed on the premise of clarifying the reasons. If it still fails, the batch of products is considered to be unqualified. In addition to re-inspecting this item during double sampling, other related inspection items are also required. 7 Marking, packaging, storage
7.1 Each set of immersion thermal clothing shall be marked with product markings in a visible position, including: a) manufacturer name;
b) product name;
c) product model;
d) manufacturing date, number or production batch; e) validity period;
f) quality grade mark.
7.2 Each set of immersion thermal clothing shall be marked with markings in a visible position, including: a) ship name;
b) port of registry.
7.3 The packaging of the product shall comply with the provisions of GB1038. 7.4 The product shall be stored in a clean, ventilated warehouse with an ambient temperature of -10~40℃ and a relative humidity of no more than 75%. 1389 Temperature cycle test
Put the water-insulated suit in a high temperature box at a constant temperature of 60°C for 8 hours, then take it out. After placing it at room temperature for 16 hours, put the water-insulated suit in a low temperature box at 30°C for 8 hours, then take it out and place it at room temperature for 16 hours. The above is a cycle. After completing 10 cycles in sequence, the water-insulated suit should not have any damage such as shrinkage, rupture, swelling, stratification, decomposition or change in mechanical properties. 5.10 Flame retardant test
Put the container on a windless ground, pour 10mm deep water, and then pour enough gasoline so that the total depth of water and gasoline is not less than 40mm. Ignite the gasoline and let it burn freely for 30s. Use a hanger to hang the water-insulated suit upright, and move it through the center of the flame at a height of 250mm from the top edge of the container, so that it stays in the flame for 2 hours. After removing the flame, the water-insulated suit should not continue to burn or melt, and its performance should be guaranteed.
5.11 Strength test
The pre-coagulated garment material is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the garment texture; the pre-wetted garment material with typical seams is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the seams; the pre-wetted garment material with sealed zippers (closed) is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the zippers. Tie the two ends of the above specimens in the length direction, hang one end horizontally, and hang a weight of 500N on the other end for 30 minutes. The specimens should not be damaged in any way and should be watertight. 136
5.12 Oil resistance test
GB 9953—1999
Seal all holes of the immersion thermal suit that may cause oil to enter the interior, place them flat in the oil tank, press them with a heavy object, and inject diesel into the oil tank, the amount of which is 100mm higher than the immersion thermal suit for 24 hours. After wiping off the diesel on the surface, there is no obvious change in the surface color, no swelling, shrinkage, blistering, etc. 5.13 Buoyancy test
Use light and soft materials to inflate the immersion thermal suit into shape, and all gaps that may cause water to enter the interior must be sealed. Pour enough fresh water to immerse the immersion thermal suit into the pool and record the water surface height. Use any feasible method to immerse the shaped immersion thermal suit under the water surface and record the water surface height. Record the water surface height after 24 hours, calculate the change in water volume, and the buoyancy loss and buoyancy loss rate should not exceed 5%. 5.14 Test of closed mask breathing normally without hypoxia Inflate the air sample of the test area in the test area into an air bag, seal it and number it (this air sample is used for analysis and comparison). In the sampling area, ask the subject to breathe the gas inhaled into the lungs (maximum lung capacity can be used) before wearing the suit into another air bag through a hose, write the subject's name, and number it as 0 (for analysis and comparison). After the subject wears the suit, lie on his back on the bed or on the water surface and start timing. Every full hour, ask the subject to breathe into another air bag through a hose with the maximum exhaled volume and write the subject's name and number it as 1. This process lasts for 6 hours and 6 air samples are collected. The 7 (0~～6) air samples collected by each subject are measured and analyzed by a respiratory automatic analyzer or other equivalent instruments. The mask of the B-type cow rescue suit should ensure that the wearer has normal breathing gas exchange before and after entering the water, and there is no hypoxia such as shortness of breath and wheezing after transition adaptation. The measured oxygen content of the exhaled gas is within the normal range. 6 Inspection rules
6.1 The inspection of flood insulation clothing is divided into factory inspection and type inspection. 6.2
Factory inspection is carried out by the product quality inspection department of the manufacturer. Each set of products should be subject to factory inspection (see Table 1). Table 1
Factory inspection items Layer
Accessories
Wearability
Floating stabilityBuoyancy
Thermal insulation
Waterproof
Flame retardancy
Heat resistance
Oil resistance
Mask field of view
6.3 Type inspection
Technical requirements
4.2.1;4.2.2;4. 2.3
When any of the following conditions occurs, a type inspection shall be carried out: Inspection method
5.7;5.8;5.9;5.10;
5.11;5.12:5.13
Observation under moonlight
Comparison of finalized products
5.5;5.6;5.14
Factory inspection
Type inspection
GB 9953--1999
a) During the trial production of new products or the trial production of old products in the factory; b) After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, inspections are carried out every 3 to 4 years; d) When the product is resumed after a long period of suspension; e) When there is a big difference between the factory inspection results and the last type inspection; f) When the relevant national quality supervision department proposes a type inspection requirement. 6.3.1 Products submitted for type inspection must be randomly selected from the products that have passed the factory inspection, and the number of samples to be selected is 5%, but not less than 3 sets. 6.3.2 Type inspection items are in accordance with the provisions of Table 1. 6.3.3 If one item does not meet the requirements during the inspection, double sampling is allowed on the premise of clarifying the reasons. If it still fails, the batch of products is considered to be unqualified. In addition to re-inspecting this item during double sampling, other related inspection items are also required. 7 Marking, packaging, storage
7.1 Each set of immersion thermal clothing shall be marked with product markings in a visible position, including: a) manufacturer name;
b) product name;
c) product model;
d) manufacturing date, number or production batch; e) validity period;
f) quality grade mark.
7.2 Each set of immersion thermal clothing shall be marked with markings in a visible position, including: a) ship name;
b) port of registry.
7.3 The packaging of the product shall comply with the provisions of GB1038. 7.4 The product shall be stored in a clean, ventilated warehouse with an ambient temperature of -10~40℃ and a relative humidity of no more than 75%. 1389 Temperature cycle test
Put the water-insulated suit in a high temperature box at a constant temperature of 60°C for 8 hours, then take it out. After placing it at room temperature for 16 hours, put the water-insulated suit in a low temperature box at 30°C for 8 hours, then take it out and place it at room temperature for 16 hours. The above is a cycle. After completing 10 cycles in sequence, the water-insulated suit should not have any damage such as shrinkage, rupture, swelling, stratification, decomposition or change in mechanical properties. 5.10 Flame retardant test
Put the container on a windless ground, pour 10mm deep water, and then pour enough gasoline so that the total depth of water and gasoline is not less than 40mm. Ignite the gasoline and let it burn freely for 30s. Use a hanger to hang the water-insulated suit upright, and move it through the center of the flame at a height of 250mm from the top edge of the container, so that it stays in the flame for 2 hours. After removing the flame, the water-insulated suit should not continue to burn or melt, and its performance should be guaranteed.
5.11 Strength test
The pre-coagulated garment material is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the garment texture; the pre-wetted garment material with typical seams is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the seams; the pre-wetted garment material with sealed zippers (closed) is cut into rectangular strips of 500mm×200mm in the longitudinal and transverse directions of the zippers. Tie the two ends of the above specimens in the length direction, hang one end horizontally, and hang a weight of 500N on the other end for 30 minutes. The specimens should not be damaged in any way and should be watertight. 136
5.12 Oil resistance test
GB 9953—1999
Seal all holes of the immersion thermal suit that may cause oil to enter the interior, place them flat in the oil tank, press them with a heavy object, and inject diesel into the oil tank, the amount of which is 100mm higher than the immersion thermal suit for 24 hours. After wiping off the diesel on the surface, there is no obvious change in the surface color, no swelling, shrinkage, blistering, etc. 5.13 Buoyancy test
Use light and soft materials to inflate the immersion thermal suit into shape, and all gaps that may cause water to enter the interior must be sealed. Pour enough fresh water to immerse the immersion thermal suit into the pool and record the water surface height. Use any feasible method to immerse the shaped immersion thermal suit under the water surface and record the water surface height. Record the water surface height after 24 hours, calculate the change in water volume, and the buoyancy loss and buoyancy loss rate should not exceed 5%. 5.14 Test of closed mask breathing normally without hypoxia Inflate the air sample of the test area in the test area into an air bag, seal it and number it (this air sample is used for analysis and comparison). In the sampling area, ask the subject to breathe the gas inhaled into the lungs (maximum lung capacity can be used) before wearing the suit into another air bag through a hose, write the subject's name, and number it as 0 (for analysis and comparison). After the subject wears the suit, lie on his back on the bed or on the water surface and start timing. Every full hour, ask the subject to breathe into another air bag through a hose with the maximum exhaled volume and write the subject's name and number it as 1. This process lasts for 6 hours and 6 air samples are collected. The 7 (0~～6) air samples collected by each subject are measured and analyzed by a respiratory automatic analyzer or other equivalent instruments. The mask of the B-type cow rescue suit should ensure that the wearer has normal breathing gas exchange before and after entering the water, and there is no hypoxia such as shortness of breath and wheezing after transition adaptation. The measured oxygen content of the exhaled gas is within the normal range. 6 Inspection rules
6.1 The inspection of flood insulation clothing is divided into factory inspection and type inspection. 6.2
Factory inspection is carried out by the product quality inspection department of the manufacturer. Each set of products should be subject to factory inspection (see Table 1). Table 1
Factory inspection items Layer
Accessories
Wearability
Floating stabilityBuoyancy
Thermal insulation
Waterproof
Flame retardancy
Heat resistance
Oil resistance
Mask field of view
6.3 Type inspection
Technical requirements
4.2.1;4.2.2;4. 2.3
When any of the following conditions occurs, a type inspection shall be carried out: Inspection method
5.7;5.8;5.9;5.10;
5.11;5.12:5.13
Observation under moonlight
Comparison of finalized products
5.5;5.6;5.14
Factory inspection
Type inspection
GB 9953--1999
a) During the trial production of new products or the trial production of old products in the factory; b) After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, inspections are carried out every 3 to 4 years; d) When the product is resumed after a long period of suspension; e) When there is a big difference between the factory inspection results and the last type inspection; f) When the relevant national quality supervision department proposes a type inspection requirement. 6.3.1 Products submitted for type inspection must be randomly selected from the products that have passed the factory inspection, and the number of samples to be selected is 5%, but not less than 3 sets. 6.3.2 Type inspection items are in accordance with the provisions of Table 1. 6.3.3 If one item does not meet the requirements during the inspection, double sampling is allowed on the premise of clarifying the reasons. If it still fails, the batch of products is considered to be unqualified. In addition to re-inspecting this item during double sampling, other related inspection items are also required. 7 Marking, packaging, storage
7.1 Each set of immersion thermal clothing shall be marked with product markings in a visible position, including: a) manufacturer name;
b) product name;
c) product model;
d) manufacturing date, number or production batch; e) validity period;
f) quality grade mark.
7.2 Each set of immersion thermal clothing shall be marked with markings in a visible position, including: a) ship name;
b) port of registry.
7.3 The packaging of the product shall comply with the provisions of GB1038. 7.4 The product shall be stored in a clean, ventilated warehouse with an ambient temperature of -10~40℃ and a relative humidity of no more than 75%. 138Write the name of the subject and number it as 0 (for analysis and comparison). After the subject is dressed, lie on the bed or on the water surface and start timing. Every hour, ask the subject to breathe into another air bag through the hose with the maximum exhaled volume and write the subject's name and number it as 1. This is done for a total of 6 hours, and 6 gas samples are collected. The 7 (0~～6) gas samples collected by each subject are measured and analyzed using a respiratory function automatic analyzer or other equivalent instruments. The mask of the B-type cow rescue suit should ensure that the wearer has normal respiratory gas exchange before and after entering the water, and there is no shortness of breath, wheezing and other hypoxia after transition adaptation. The oxygen content of the exhaled gas measured is within the normal range. 6 Inspection rules
6.1 The inspection of flood insulation suits is divided into delivery inspection and type inspection. 6.2
Factory inspection is carried out by the product quality inspection department of the manufacturer, and each set of products should be subjected to delivery inspection (see Table 1). Table 1
Factory inspection items Layer
Accessories
Wearability
Floating stabilityBuoyancy
Thermal insulation
Waterproof
Flame retardancy
Heat resistance
Oil resistance
Mask field of view
6.3 Type inspection
Technical requirements
4.2.1;4.2.2;4. 2.3
When any of the following conditions occurs, a type inspection shall be carried out: Inspection method
5.7;5.8;5.9;5.10;
5.11;5.12:5.13
Observation under moonlight
Comparison of finalized products
5.5;5.6;5.14
Factory inspection
Type inspection
GB 9953--1999
a) During the trial production of new products or the trial production of old products in the factory; b) After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, inspections are carried out every 3 to 4 years; d) When the product is resumed after a long period of suspension; e) When there is a big difference between the factory inspection results and the last type inspection; f) When the relevant national quality supervision department proposes a type inspection requirement. 6.3.1 Products submitted for type inspection must be randomly selected from the products that have passed the factory inspection, and the number of samples to be selected is 5%, but not less than 3 sets. 6.3.2 Type inspection items are in accordance with the provisions of Table 1. 6.3.3 If one item does not meet the requirements during the inspection, double sampling is allowed on the premise of clarifying the reasons. If it still fails, the batch of products is considered to be unqualified. In addition to re-inspecting this item during double sampling, other related inspection items are also required. 7 Marking, packaging, storage
7.1 Each set of immersion thermal clothing shall be marked with product markings in a visible position, including: a) manufacturer name;
b) product name;
c) product model;
d) manufacturing date, number or production batch; e) validity period;
f) quality grade mark.
7.2 Each set of immersion thermal clothing shall be marked with markings in a visible position, including: a) ship name;
b) port of registry.
7.3 The packaging of the product shall comply with the provisions of GB1038. 7.4 The product shall be stored in a clean, ventilated warehouse with an ambient temperature of -10~40℃ and a relative humidity of no more than 75%. 138Write the name of the subject and number it as 0 (for analysis and comparison). After the subject is dressed, lie on the bed or on the water surface and start timing. Every hour, ask the subject to breathe into another air bag through the hose with the maximum exhaled volume and write the subject's name and number it as 1. This is done for a total of 6 hours, and 6 gas samples are collected. The 7 (0~～6) gas samples collected by each subject are measured and analyzed using a respiratory function automatic analyzer or other equivalent instruments. The mask of the B-type cow rescue suit should ensure that the wearer has normal respiratory gas exchange before and after entering the water, and there is no shortness of breath, wheezing and other hypoxia after transition adaptation. The oxygen content of the exhaled gas measured is within the normal range. 6 Inspection rules
6.1 The inspection of flood insulation suits is divided into delivery inspection and type inspection. 6.2
Factory inspection is carried out by the product quality inspection department of the manufacturer, and each set of products should be subjected to delivery inspection (see Table 1). Table 1
Factory inspection items Layer
Accessories
Wearability
Floating stabilityBuoyancy
Thermal insulation
Waterproof
Flame retardancy
Heat resistance
Oil resistance
Mask field of view
6.3 Type inspection
Technical requirements
4.2.1;4.2.2;4. 2.3
When any of the following conditions occurs, a type inspection shall be carried out: Inspection method
5.7;5.8;5.9;5.10;
5.11;5.12:5.13
Observation under moonlight
Comparison of finalized products
5.5;5.6;5.14
Factory inspection
Type inspection
GB 9953--1999
a) During the trial production of new products or the trial production of old products in the factory; b) After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, inspections are carried out every 3 to 4 years; d) When the product is resumed after a long period of suspension; e) When there is a big difference between the factory inspection results and the last type inspection; f) When the relevant national quality supervision department proposes a type inspection requirement. 6.3.1 Products submitted for type inspection must be randomly selected from the products that have passed the factory inspection, and the number of samples to be selected is 5%, but not less than 3 sets. 6.3.2 Type inspection items are in accordance with the provisions of Table 1. 6.3.3 If one item does not meet the requirements during the inspection, double sampling is allowed on the premise of clarifying the reasons. If it still fails, the batch of products is considered to be unqualified. In addition to re-inspecting this item during double sampling, other related inspection items are also required. 7 Marking, packaging, storage
7.1 Each set of immersion thermal clothing shall be marked with product markings in a visible position, including: a) manufacturer name;
b) product name;
c) product model;
d) manufacturing date, number or production batch; e) validity period;
f) quality grade mark.
7.2 Each set of immersion thermal clothing shall be marked with markings in a visible position, including: a) ship name;
b) port of registry.
7.3 The packaging of the product shall comply with the provisions of GB1038. 7.4 The product shall be stored in a clean, ventilated warehouse with an ambient temperature of -10~40℃ and a relative humidity of no more than 75%. 138
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