It doesn't matter whether there is a static pressure box or not. Generally speaking, it is an empty box to facilitate the connection of the machine room. According to the regulations, the cross-section flow rate is less than 2. In fact, it has no other function except the connection. If it is necessary to press the muffler. The air supply determines the wind speed and the size of the air supply outlet according to the air supply volume and installation position. The area of the return air outlet is determined according to the return air volume. The return air generally has a small wind speed of 2, and the length and width are determined according to the installation position. According to the above, select the type, and then calculate the wind resistance of the long pipe, as long as the static pressure outside the unit is small.
HVAC project is the final work of the whole construction project, so the final project must be meticulous. Whether the materials are purchased by the construction unit or supplied by Party A, professional technicians shall comprehensively and strictly check their specifications, models and quality. Those who fail to pass the quality inspection form and certificate shall not enter the site. It is required that all test reports must meet the national technical standards and design requirements. Quality control of anti-corrosion and thermal insulation works. The thermal insulation material shall be pasted firmly, the interface shall be tight, and the gas barrier and moisture-proof layer shall be tight. The insulation layer of water pipe and air pipe shall be continuous and tight at the places where they pass through the wall, floors and technical joints, and the anti-corrosion of pipes and wooden strips used as pads shall be qualified.
Due to the control of building space and the difficulty of pipeline processing, the pipelines should be closely arranged together, so as to realize the rationality and functional integrity of the whole pipeline construction layout. This is also the basic principle of pipeline construction.? After reading the above contents, you will know what principles should be paid attention to in the construction of air conditioning pipes. Such construction method is not only conducive to the rationalization of pipe arrangement, but also saves the use of pipes. It is very useful from the perspective of users.
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