109室内消防(卤代烷)气体灭火系统管道及设备安装施工工艺(国外英文资料).docVIP

109室内消防(卤代烷)气体灭火系统管道及设备安装施工工艺(国外英文资料) The range of 1 This technology is applicable to the important rooms, collections library, archives and other construction. The indoor use of Halon gas fire extinguishing system piping and equipment installation. Halon fire extinguishing agent is not conductive, non polluting characteristics, but only in a confined space can be achieved good results. 2 construction preparation 2.1 material and equipment requirements: 2.1.1 indoor fire gas (Halon) fire extinguishing equipment, steel, pipe, pipe fittings, various valves and ancillary products such as spare parts, should have the certificate of origin and product certification. After entering the scene, before the installation and use of check and verification work, must comply with the provisions of relevant national norms, standards and fire supervision departments and requirements. 2.1.2 according to the number of construction installation schedule check after the entry materials, test specifications, types, size and quality is in accordance with the requirements of design drawings. 2.1.2.1 galvanized seamless carbon steel pipes and fittings: A material: galvanized seamless carbon steel pipes or thicker galvanized carbon steel pipe, galvanized inside and outside wall of uniform, no rust, no card inside wall reinforcement, pipe wall thickness shall comply with the design requirements. Selection of tubes, the internal pressure of the stand should meet the design requirements. B pipe: the forging steel and galvanized, galvanized layer surface uniformity, no corrosion, no side buttons, floss and Fang Kou, threaded incomplete, are not allowed to view such phenomena. In particular the flange to inner and outer galvanized, galvanized layer complete, uniform water line, not a fracture, adhesion dirt and so on. 2.1.2.2 nonferrous metal pipes and fittings: Seamless copper pipes and pipe fittings, pipe wall thickness uniform, smooth skin tube inside and outside the surface gloss, not all ha