GB 47289-2026Fire emergency rescue equipment - Leak sealing tools (English PDF)

5.11.2 Component Functions

5.11.2.1 Leak-sealing module It should be able to install sealing gaskets of different shapes and sizes according to the actual situation of the leak, and be suitable for sealing leaks such as holes and gaps. Work is blocked.

5.11.2.2 Ropes It should be able to connect the leak-sealing module, locking block and tensioner, and after tensioning, it should be able to make the leak-sealing module fit tightly against the leak.

5.11.2.3 Hydraulically assisted tensioner It should be possible to tighten the rope using hydraulic assistance.

5.11.2.4 Hydraulic manual pump It should be able to provide the necessary hydraulic power for hydraulically assisted tensioners.

5.11.2.5 Locking Block It should be able to work with a hydraulically assisted tensioner to achieve reliable locking of the rope.

5.11.2.6 Mechanically Assisted Tensioner It should be able to tighten the rope through mechanical assistance and should have the function of locking the rope with bolts.

5.11.2.7 Sealing gasket The tool kit should be equipped with both of the following types of sealing materials.

a) Finished sealing gaskets. Sealing gaskets with a nominal applicable pipe diameter range should be provided;

b) Sealing blocks. Sealing blocks that can be cut on-site shall be provided, and their material and physical properties shall not be inferior to those of the finished gaskets.

5.11.2.8 Hinged Leak-Sealing Clamp It should be constructed from hinged aluminum alloy chain links, allowing for quick disassembly and assembly of some chain links to adjust the working length according to the leakage point, and enabling the installation of compatible... Sealing gasket.

5.11.2.9 Fastening devices It should be able to tighten and fix the hinged leak-sealing clamp.

5.11.3 Locking performance The hydraulic assisted tensioner and locking block should reliably lock the rope in place. After testing according to 6.11.2, the hydraulic assisted tensioner and rope... The relative slip distance between them should not exceed 10mm, and the hydraulic tensioner should not suffer damage that would affect its subsequent use.

5.12 Sleeve-type Leak Sealing Equipment The external metal materials and other metal components of the sleeve-type leak-sealing device, after undergoing the test specified in GB/T 10125 for 48 hours, shall have their external appearance... The surface should show no obvious signs of corrosion.

5.13 Injection-type leak sealing equipment The rated working pressure of high-pressure pumps, high-pressure hoses, and caulking guns should not be less than twice the nominal sealing pressure. The fixtures must pass the pressure test specified in 6.13. After testing, the pressure drop within 5 minutes should not exceed 8% of the rated pressure, and there should be no leakage under the nominal sealing pressure.

5.15 Magnetic Pressure Leak Sealing Equipment

5.15.1 It should be compatible with common leak bodies and leak points.

5.15.2 A magnetic switch should be provided so that the magnetic force can be turned on or off as needed during use.

5.16.1 Sealing performance After the test pressure of the plugging bladder reaches

1.5 times the nominal plugging pressure (or nominal plugging force) of the plugging equipment, the pressure is maintained for 10 minutes, and the internal pressure of the bladder is... The pressure drop should not exceed 10% of the test pressure.

5.16.2 Reliability After the plugging bladder is continuously inflated to the nominal plugging pressure (or nominal plugging force) and then deflated 30 times, at the nominal plugging pressure (or... There should be no gas leakage under the nominal sealing force.

6.5 Leak-stopping performance test

6.5.1 Experimental Model The various types of leak-stopping test models are specified in Table 3.

6.5.2 Test Requirements and Judgment For various types of leak-sealing equipment, one or more test models from Table 3 should be selected for leak-sealing performance testing according to the applicable scope. Leak-sealing tests of the sealing equipment should be conducted under pressure. Before the test, preparations for leak sealing should be made according to the operating procedures for the tested sample. The leak in the device can only be sealed when the pressure (or nominal sealing force) required by the test sample is reached. The time from the start of sealing is measured using a timing instrument. The time from the start of the operation until there is no obvious leakage at the leak point of the test device (i.e., the emergency plugging time). After inflating the air-inflatable leak-sealing device to the test pressure, maintain that pressure for 10 minutes, and then use a pressure gauge to determine the leak in the air-inflatable leak-sealing device. The pressure inside the bag. After inflating the air-filled leak-sealing device to the working pressure, deflate it. Repeat this process 30 times, and then observe the pressure (or force) at the nominal sealing pressure. Gas leakage under the influence of the action.

6.6 Explosion-proof performance test The test shall be conducted in accordance with the provisions of GB/T 10686.The sample for the explosion-proof test shall be randomly taken from any part of the sealing equipment.

6.7 Oil resistance test The sealing material on the contact surface of the leak-sealing equipment that has passed test

6.4 is immersed in 92...

6.9 Puncture resistance test

6.9.1 Test Apparatus The testing apparatus shall meet the following requirements.

a) The upper pressure component consists of a piercing steel needle and a pressure head (see Figure 1). The diameter of the piercing steel needle is (4.50±0.05) mm, and the piercing end is tapered. The angle is 30°±1°, the end face diameter is (1.00±0.02) mm, and the hardness of the heat-treated steel needle is HRC52~HRC58;

b) The pressing component consists of a support block and a positioning block;

c) The tensile testing machine has a range of 0N to 5000N and an accuracy of 5N.

6.9.2 Sample Preparation Select three puncture points on the sealing gasket sample, with a distance of no less than 30 mm between each point and a distance of no less than from the edge of the sample. 25mm.

6.9.3 Test Procedure The upper and lower pressure components are fixed to the upper and lower clamps of the tensile testing machine, respectively. The sample is placed between the support block and the positioning block of the lower pressure component, so that it passes through... The puncture point is located in the center of the cavity in the support block, and then fixed. The upper pressure piece is pressed against the sample at a uniform speed of (10±3) mm/min until... penetrate.

6.10 Anti-aging performance test The hot air aging treatment of the specimens was carried out in accordance with GB/T 3512, and the tensile strength test of the specimens was carried out in accordance with GB/T 528. conduct.

6.11 Performance test of bundled leak-sealing equipment

6.11.1 Component Inspection Start the power source and visually inspect the leak-sealing module, locking block, hydraulically assisted tensioner, rope, power source, and hydraulic soft plug for large tanks. The working status of the pipes and their accessories. Operate the mechanically assisted tensioner; visually inspect the leak-sealing module of the small tank sealing tool and the mechanically assisted tensioner. Check the working status of tools and ropes. Operate the fastening devices and visually inspect the hinged leak-sealing clamps and fastening devices of flanges, pipes, and valves. In operation.

6.11.2 Locking performance test Take two.200mm long ropes, connect the ropes, locking block, and hydraulic tensioner, then lock the ropes and ensure the ropes are in the correct position. Straight line. Mark the relative position between the rope and the hydraulic tensioner, then drive the hydraulic tensioner with a power source until the tension gauge... When the tension reaches 7kN, mark the relative position between the rope and the hydraulic tensioner again. After unloading, measure the two marked positions. The length between.

6.12 Performance Test of Sleeve-Type Leak-Sealing Equipment The test shall be conducted in accordance with the provisions of GB/T 10125.

6.13 Performance Test of Injection-Type Leak Sealing Equipment Connect the high-pressure pump and dispensing gun to a test pressure gauge with an accuracy of not less than

1.6 via a high-pressure hose, and slowly increase the pressure to the rated working pressure. Apply pressure and maintain it for 5 minutes, then observe the test results.

6.14 Performance Test of Adhesive Leak Sealing Materials The test shall be conducted in accordance with the provisions of GB/T 12007.7.

6.15 Performance Test of Magnetic Pressure Leak Sealing Equipment Visually inspect and operate the magnetic pressure sealing device to check its structure and configuration, as well as the function of the magnetic switch.

6.16 Performance Test of Air-Inflatable Leak-Sealing Devices

6.16.1 Sealing performance test The air inlet of the plugging bladder is connected to a pressure source and a test pressure gauge with an accuracy of not less than

1.6 via a pipeline, and the plugging bladder is filled with air. The internal pressure is slowly increased to the test pressure specified in 5.16.1.After the pressure stabilizes, it is maintained for 10 minutes, and the initial pressure at the start of the pressure maintenance is recorded. Force value and final pressure value at the end of the holding period.

6.16.2 Reliability Testing The plugging chamber is continuously inflated to the nominal plugging pressure (or nominal plugging force) and then deflated 30 times, followed by another inflation cycle to the same pressure. Apply pressure and immerse the item in water for 5 minutes, then observe whether any bubbles are generated.

7.1 Factory Inspection

7.1.1 Leak-sealing equipment shall be inspected by the manufacturer's technical inspection department, and may only leave the factory after passing the inspection and being accompanied by a certificate of conformity.

7.1.2 The factory inspection items for leak sealing equipment are 5.1,

7.1.3 If all items of the factory inspection are qualified, the product is judged to be qualified; otherwise, the product is judged to be unqualified.

7.2 Type Testing

7.2.1 Type testing shall be conducted under one of the following circumstances.

a) Trial production and type approval of new products or old products transferred to another factory for production;

b) Changes in the product's design, structure, materials, components, parts, manufacturing processes, or production conditions may affect product quality;

c) The technical requirements specified in the product standard have changed;

d) Resuming production after a shutdown of one year or more;

e) The product quality supervision department requests type testing;

f) Other situations where product quality can only be proven through type testing.

7.2.2 Type testing of leak-sealing equipment shall be conducted in batches of 100 sets of the same type, model, and specification (less than 100 sets shall also be considered as a batch). (From a batch), 5 sets are randomly selected as samples.

7.2.3 Type testing shall be conducted according to the specifications in Tables 4 to

9.If all tested items meet the requirements, the product's type test result is deemed satisfactory. If it passes inspection, it is deemed unqualified; otherwise, it is deemed unqualified.

8.2 Packaging

8.2.1 Leak-sealing equipment should be packaged in a suitable way to facilitate carrying.

8.2.2 The product name, model and specifications, applicable standards, gross weight or net weight, manufacturer and other information should be clearly marked on the outside of the packaging box.

8.2.3 The packaging box shall contain a product certificate, packing list, and instruction manual. The instruction manual shall be prepared in accordance with GB/T 9969. Regulation.

8.3 Transportation Leak-sealing equipment should be protected from rain and high temperatures during transportation, and should avoid contact with acids, alkalis, and oil. Magnetic pressure type fire-fighting leak-sealing equipment should also be kept away from magnets. Field matter.

8.4 Storage Leak-sealing equipment should be stored in a rainproof, moisture-proof, sun-proof, and well-ventilated environment, and should not be stored in places with corrosive media. Magnetic pressure type Fire-fighting and leak-stopping equipment should also be stored in an environment away from magnetic field-affecting substances. GB 47289-2026. Fire emergency rescue equipment and leak sealing materials ICS

85 National Standards of the People's Republic of China Fire emergency rescue equipment and leak sealing materials Published on 2026-03-

31 Implemented on 2027-04-

01 State Administration for Market Regulation The State Administration for Standardization issued a statement.