GB 25200-2010 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 25200-2010: Powder nozzle Status: Valid
Basic dataStandard ID: GB 25200-2010 (GB25200-2010)Description (Translated English): Powder nozzle Sector / Industry: National Standard Classification of Chinese Standard: C84 Classification of International Standard: 13.220.10 Word Count Estimation: 9,928 Date of Issue: 2010-09-26 Date of Implementation: 2011-03-01 Quoted Standard: GB/T 3864; GB 4066.1; GB 4066.2; GB 8181-2005; GB 12514.1; GB 12514.2; GB 12514.3; GB 12514.4 Regulation (derived from): Announcement of Newly Approved National Standards No. 6 of 2010 (total 161) 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 applies to all kinds of dry powder for the gun blast media. GB 25200-2010: Powder nozzle---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.Powder nozzle ICS 13.220.10 C84 National Standards of People's Republic of China Gun powder Issued on. 2010-09-26 2011-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordChapter 5 of this standard are mandatory, the rest are recommended. Appendix A of this standard is a normative appendix. The standard proposed by the People's Republic of China Ministry of Public Security. This standard by the National Standardization Technical Committee pump fire truck Technical Committee (SAC/TC113/SC4) centralized. This standard was drafted. Shanghai Fire Research Institute of Ministry of Public Security. The main drafters of this standard. Rong Jun, Jin Wei, Chi Ling Qiao, Li Fu Ping, Wang Yi, Zhu Yun. Gun powder1 ScopeThis standard specifies the terms and definitions of gun powder, classification and type, performance requirements, test methods, inspection rules, marking, packaging, storage, Transport and use instructions and other requirements. This standard applies to all types of gun powder as a dry powder injection medium.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 3864 industrial nitrogen GB 4066.1 powder extinguishing agent Part 1. BC powder extinguishing agent (GB 4066.1-2004, ISO 7202. 1987, NEQ) GB 4066.2 powder extinguishing agent Part 2. ABC powder extinguishing agent (GB 4066.2-2004, ISO 7202. 1987, NEQ) GB 8181-2005 Nosepiece GB 12514.1 fire interface - Part 1. General technical conditions for fire interface Fire Interface Part 2 GB 12514.2. Fire button within the interface and basic parameters Fire Interface Part 3 GB 12514.3. Cassette Fire Patterns and basic parameters 12514.4 fire interface - Part 4 GB . Threaded Fire Patterns and basic parameters3 Terms and DefinitionsThe following terms and definitions apply to this standard. 3.1 A portable and operated by a single person or persons as a dry powder fire extinguishing agent injection pipe gun. 3.2 Effective injection time effectivedischargetime Maximum operating pressure dry powder spray gun from a predetermined start, dropped to a predetermined minimum working pressure of time. 3.3 Effective injection rate effectivedischargerate In the effective injection time, the discharge of dry mass per unit time. 3.4 Effective range effectiverange Powder spray gun powder, dry mass pollination intraday maximum muzzle end of a row to the vertical projection of the center of the ground point on the jet axis the distance between.4 Classification and models4.1 Classification By operating structure can be divided into. a) switch rod handle powder gun; b) arcuate handlebar switch gun powder; c) dry powder gun trigger switch. 4.2 Model Powder gun model consists of. QF Gun powder Nominal effective injection rate, kg/s Working pressure, MPa customize Example. nominal effective injection rate 3kg/s, the working pressure range 0.6MPa ~ 0.8MPa its dry powder gun model. QF3/0.6 ~ 0.8.5 Performance Requirements5.1 appearance requirements 5.1.1 sheet metal parts, stampings and other heavy skin surface should be no obvious mechanical damage and uneven defects. 5.1.2 welded seam should be uniform, no crack, burn, undercuts and other defects. 5.1.3 malleable surface should be free of heavy skin, scarring, shrinkage, shrinkage and other defects. 5.1.4 casting surface should be no flow marks, lack of material, cracks, blistering, peeling, and other defects. 5.1.5 Plating and coating should be uniform color, no peeling, bubbles, scratches and other defects. 5.2 Basic performance parameters The basic performance parameters of gun powder shall meet the requirements of Table 1. Table 1 powder gun performance parameters Nominal effective injection rate / (Kg/s) Real effective injection rate E / (Kg/s) Working pressure/MPa effective range/m 0.5 0.5≤E < 1 1 1≤E < 2 2 2≤E < 3 3 3≤E < 4 4 4≤E < 5 5 5≤E < 8 8 8≤E < 10 A predetermined minimum/maximum Working pressure ≥3 ≥5 ≥6 ≥8 ≥10 ≥11 ≥12 5.3 Material Direct contact with the powder should be used to manufacture parts copper, stainless steel and other corrosion-resistant material. 5.4 sealing performance Gun powder by 6.4 sealing performance test, the test pressure of 1.1 times the maximum working pressure, to maintain 5min, the connecting portion and open Off should be no gas leakage phenomenon. 5.5 Water pressure resistance strength properties Gun powder by 6.5 Water pressure resistance strength performance test, the test pressure of 1.5 times the maximum working pressure, to maintain 5min, and gun opening There should be no sweat off, cracks and permanent deformation phenomena. 5.6 Performance Drop Gun powder by 6.6 drop test performance, there should be no damage to the loosening and normal operation. 5.7 Corrosion Resistance Gun powder by 6.7 corrosion test, powder guns should be no significant corrosion damage after the test, and normal operation. 5.8 Performance impact resistant injection Powder spray gun by 6.8 Impact resistance performance test conducted at the maximum working pressure of 1.1 times the pressure of a continuous jet 3min, there should be no loose Dynamic, structural damage. 5.9 Operation structural requirements 5.9.1 For the lever handle switch gun powder, gun powder exit point lever handle is "open", lever handle is perpendicular to the axis of gun powder "OFF" position and limited function in both locations. 5.9.2 arcuate handlebar switch for dry powder gun powder gun pointed arched handle imports is "open", arched handle pointing gun powder exports "OFF" position and limited function in both locations. 5.9.3 For the trigger switch of gun powder, the hand grip is "open", hand relaxation is "off." 5.9.4 powder gun operating torque not greater than 15N · m. 5.10 Interface Requirements An interface type and size should be consistent with GB 12514.1, the provisions of GB 12514.2, GB 12514.3 and GB 12514.4, and with stereotypes Consistent choice of interface types and dimensions. 5.11 non-metallic parts performance requirements Non-metallic parts of the barrel, the material shall comply with relevant national standards.6 Test methods6.1 Visual inspection By visual. 6.2 Basic performance test 6.2.1 Test Site, driving gas and powder Test site shall be flat, test wind speed is less than 2m/s, temperatures in the range of 5 ℃ ~ 35 ℃. Jet drive gas should be used nitrogen, which should be consistent with the provisions of GB/T 3864's. Spray dry powder and should be consistent with GB 4066.1 The provisions of GB 4066.2. Select the appropriate driver gas and the amount of dry powder injection rate based on the nominal effective gun. Intersection with the horizontal powder gun muzzle Centres plumb line to the ground as the origin; downwind arranged pollination disk, the effective range of the base Every 0.5m ~ 1m placed within the range of 80% to 120% of the reference value of 1, each plate and pollination origin together into a straight line; on-line at the left and right 2 each arranged in parallel rows, each row spacing 0.5m ~ 1m, was mutually perpendicular grid layout. Pollination square plate, its size should be a Cause. Side length of 300mm ~ 400mm, a height of 30mm ~ 40mm. 6.2.2 Effective injection time and the determination of the effective range The angle between the powder spray gun disposed rack, adjust the horizontal axis of the gun to 0 ° ± 1 °, the exit end of the gun to adjust the height above the ground to the center To 1m. After the powder gun inlet pressure to a predetermined maximum working pressure, spray dry powder and starts counting until the powder gun inlet pressure falls below a specified Stop at the lowest working pressure jet dry powder, the effective injection time record. Respectively, said the quality of each dish pollination powder calculated within each row of five disc dry pollination of quality and the quality of the largest in a row to the origin Distance is dry powder effective range. 6.2.3 Effective injection rate determination According to equation (1) calculate the effective injection rate. E = Q0-QeT (1) Where. E --- effective injection rate, in kilograms per second (kg/s); Q0 --- powder loadings, in kilograms (kg); QE --- The remaining dry mass in kilograms (kg); T --- Effective injection time in seconds (s). 6.3 material inspection View by visual and material reporting methods. 6.4 sealing performance test The inlet end of the dry powder gun mounted on a test tube online, turn off the switch. The gun powder was immersed in water for 5 ℃ ~ 55 ℃, the water Should be higher than the top surface of the powder gun 50mm or more, and then the gas pressure, the pressure not exceeding scratch 0.1MPa/s rate is boosted to the 1.1 times the working pressure of keeping 5min, and observe. 6.5 Water pressure resistance strength performance test The inlet end of the dry powder gun mounted on a test tube web, first rule out the pipe network and the gun in the air to the pipe network and the gun filled with water, close the open Off and pressurize scratch not to exceed 0.1MPa/s rate boosted to 1.5 times the maximum working pressure, to maintain 5min. Turn on the switch after pressure relief, or other tools with lid stuffy blocked the exit end of the rest, excluding the pipe network and the gun in the air to full pipe network and the gun body Water, and then pressurize scratch not more than 0.1MPa/s rate boosted to the maximum working pressure of 1.5 times, to maintain 5min. Drop Performance Test 6.6 6.8 GB 8181-2005 by the drop in performance tests. 6.7 corrosion test 6.9 GB 8181-2005 conducted by the corrosion resistance test. 6.8 Impact-resistant injection performance test The dry powder gun mounted on a test tube online, regulate the inlet pressure to the test pressure specified continuous injection 3min. 6.9 Operating Structure Test 6.9.1 Operation structural inspection Check powder gun operating structure. 6.9.2 operating torque measurement The powder gun is placed on the test device, turn off the switch on the gun powder, dry powder spray gun pressure to the rated pressure, with a third-class standard dynamometer Measuring powder gun switch from the off state to the fully open state the maximum operating torque. 6.10 interface checks By visual inspection reports and view setting method. 6.11 non-metallic parts performance check View by visual and material reporting methods.7 Inspection rules7.1 Type inspection 7.1.1 Where one of the following conditions, type of inspection should be carried out. a) identification of new products; B) after the official production, raw materials, technology and design have a greater fluctuation; c) discontinued after a year when production or restore normal production for three years; d) the national quality supervision bodies during type inspection requirements. All items Content 7.1.2 Type inspection provisions of this standard, the test results should meet the standard requirements. Number of test samples 7.1.3 type test for three test procedures shall comply with the provisions of Appendix A. 7.2 factory inspection 7.2.1 factory inspection should be carried out before shipment. 7.2.2 factory inspection carried out according to the provisions 5.1,5.2,5.3,5.4,5.5, the results should be consistent with this standard. 8 signs, packaging, storage, transport and use instructions 8.1 mark 8.1.1 should be set to clear a permanent mark on the nameplate in the apparent position of at least shall be marked. product name, model specifications, product number, the implementation of standards Code, the manufacturer's name or trademark, the date of manufacture. 8.1.2 The surface should be printed on the box the product name, model specifications, quantity, packing external dimensions, gross weight, the manufacturer's name, address and contact phone. 8.2 Packaging Product packaging should ensure that no damage during normal transport and bulk packages, and compliance with user needs and the transport sector. 8.3 Storage Storage warehouse should be ventilated, dry and clean. 8.4 Transport Transportation under care, and should not be thrown to prevent the collision, to avoid the rain, sunlight and staining. 8.5 User's Guide The product should be accompanied by a Chinese manual, which should include the basic parameters of the implementation of product standards, maintenance, operating procedures and pay attention matter.Appendix A(Normative) Gun powder test procedures A.1 Test Item Number Gun powder test item number in Table A.1. Table A.1 Test Item Number Test Item No. Item Test Methods Clause No. 1 Visual inspection 6.1 2 Basic Performance Test 6.2 3 material inspection 6.3 4 sealing performance test 6.4 5 Water pressure resistance strength performance test 6.5 6 Drop Performance Test 6.6 7 corrosion resistance test 6.7 8 jet impact resistance performance test 6.8 9 Operating Structure Test 6.9 10 interface checks 6.10 11 non-metallic parts performance check 6.11 A.2 Test Procedure Gun powder test program shown in Figure A.1. Note 1. The numbers in the box test item number. Note 2. The round numbers in the drawing for the required number of test samples. Figure A.1 gun powder test procedures ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 25200-2010_English be delivered?Answer: Upon your order, we will start to translate GB 25200-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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