This standard specifies the type, basic parameters, technical requirements and inspection rules of orange smoke signals for pull-type lifebuoys. This standard applies to orange smoke signals used by ships to indicate the location of lifebuoys at sea to people who fall into the water and rescuers during the day. It meets the requirements of the 1983 Amendment to the 1974 International Convention for the Safety of Life at Sea adopted by the International Maritime Organization. GB 4543-1991 Orange smoke signals for lifesaving GB4543-1991 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of Chinabzxz.net
Orange smoke signal for lifebuoys
Orange smoke signal for lifebuoys1 Subject content and scope of application
GB 4543 --- 91
Replaces GB4543-84
This standard specifies the type, basic parameters, technical requirements and inspection rules of orange smoke signals for pull-type lifebuoys. This standard applies to orange smoke signals used by ships to indicate the location of lifebuoys at sea to drowning personnel and rescuers during the day. It meets the provisions of the 1983 Amendment to the 1974 International Convention for the Safety of Life at Sea adopted by the International Maritime Organization. 2 Reference standards
GB3107.1 General technical conditions for shipboard pyrotechnic signals3 Product classification
3.1 Type and size
3.1.1 Orange smoke signals for lifebuoys are pull-type smoke-type pyrotechnic signals floating on the water surface. Its main components include: a.
Signal charge column;
Ignition device;
Ignition charge;
Shell and float;
Connector;
Safety cover;
Tether;
Stand.
3.1.2 The signal body shall be composed of organic pigment, oxidant, combustible agent, etc. 3.1.3 The outer diameter of the orange smoke signal for lifebuoy shall not exceed 180mm, the total length shall not exceed 300mm, and the total mass shall not exceed 3500g.
3.2 Marking example
The marking of the orange smoke signal (QCY) for lifebuoys with a smoke spray duration of not less than 15 minutes is: QCY15GB4543-91
Technical requirements
4.1 The manufacture of orange smoke signals for lifebuoys shall comply with the technical requirements of Chapter 4 of GB3107.1. 4.2 This product is attached to a lifebuoy and shall meet the following requirements when released: a.
Floating on the water surface, it can spray orange smoke evenly and continuously; the duration of orange smoke shall be not less than 15 minutes; no flame shall be generated during ignition and smoke spray, and no explosion or danger shall be posed to the person releasing or nearby persons Approved by the State Administration of Technical Supervision on May 22, 1991, and implemented on March 1, 1992
GB4543--91
d. The color of the smoke shall be in accordance with the diagram specified by the International Commission on Illumination, and the area boundaries of its chromaticity shall be within the range of the angle coordinates listed in Table 1. Table 1
4.3 The igniter should be set as a double igniter
4.4 The shell of this product is made of metal sheet or equivalent material, and the surface should be treated with anti-rust and anti-corrosion. 4.5 The eye ring of the tether should be able to withstand a tensile force of 225N. The length of the tether should not be less than 1.2m. 4.6 This product should be able to repeat 10 cycles at an ambient temperature of -30 to +65℃, and then it should work effectively. 0.645
4.7 After burning for 7 minutes, this product is submerged in 25mm deep water for 10s. When it floats again, it should be able to continuously spray smoke for the required time. 4.8 This product should float upright and work normally when it falls freely from a height of 30m onto the water surface. 4.9 This product should be able to withstand low temperatures of -30℃ and high temperatures of +65℃, and work effectively at these ambient temperatures. 4.10 The product should work effectively after being horizontally immersed in water for 1m for 24h. 4.11 This product should be able to withstand the salt spray test of 20% NaCl solution, and then it should work effectively. 4.12 This product shall not injure the operator and nearby personnel when ignited and released. 4.13 When the test is triggered above the water surface covered with a 2mm thick heptane layer, the heptane shall not burn. 5 Test method
The test method of this product shall comply with the provisions of Chapter 5 of GB3107.1. 6 Inspection rules
6.1 The inspection rules of this product shall comply with the requirements of Chapter 6 of GB3107.1. 6.2 Before the initial production of this product obtains the approval certificate, each batch is 240 pieces. After obtaining the product approval certificate, each batch is 480 pieces. 6.3 The factory inspection items, technical requirements and sampling quantity of this product shall be in accordance with the requirements of Table 2. Table 2
Inspection items
Appearance, marking and packaging
Waterproof performance and application
Technical requirements
Articles 6.1, 6.3 and Chapter 7
Articles 4.2 and 4.10
Inspection quantity
Not less than 3% of each batch, but not less than 10 pieces
Not less than 3 pieces of each batch
6.3.1 If any item of the appearance, marking, packaging, etc. of this product is unqualified, it shall be re-inspected at double times. If there is still one unqualified item after the re-inspection, the whole batch shall be returned for repair and re-inspection.
6.3.2 If any item of the performance of this product is unqualified, it shall be re-tested at double times. If there is still one unqualified item after the re-inspection, the whole batch shall be scrapped. 7 Marking, packaging, transportation and storage
The marking, packaging, transportation and storage of this product shall comply with the provisions of Chapter 7 of GB3107.1. 564
Additional Notes:
This standard is proposed by the Ministry of Communications of the People's Republic of China. GB454391
This standard is under the jurisdiction of the Lifesaving Technical Committee of the National Technical Committee for Standardization of Marine Ships. This standard was drafted by the Standards and Metrology Institute of the Ministry of Communications and the State-owned Nanjiang Machinery Factory. The drafters of this standard are Li Linfeng, Ning Guizhen, Liu Huiru, Li Jushun and Deng Senru. This standard was first issued in 1984 and revised in September 1990. 565
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