风管及部件的安装
Installation of air duct and components
风管及配件可拆卸的接口及调节阀门不得装设在墙内或楼板内。风管及配件安装前应清除内外杂物及污物并保持清洁。
The detachable interface and regulating valve of air duct and accessories shall not be installed in the wall or floor. Before the installation of air duct and accessories, the internal and external sundries and dirt shall be removed and kept clean.
靠墙或靠柱安装的水平、垂直风管宜采用悬臂支架或斜撑支架。不靠墙、柱安装的水平风管宜用托底吊架，垂直风管应采用抱箍支架，风管b＞800mm应加双螺帽。并在转角处、顶端、末端设置防晃支架，支架不得设置在风口、阀门、检查孔及自控机构处。吊架不宜直接固定在法兰片上。
The horizontal and vertical air ducts installed against the wall or column should adopt cantilever support or diagonal support. The horizontal air duct not installed against the wall and column should use the bottom hanger, the vertical air duct should use the hoop support, and the air duct b > 800mm should be equipped with double nuts. Anti sway support shall be set at the corner, top and end. The support shall not be set at the air outlet, valve, inspection hole and automatic control mechanism. The hanger should not be directly fixed on the flange.
矩形风管抱箍支架应紧贴风管。如保温风管，应留有保温厚度浸沥青的木块风管吊架应平直、螺纹应光洁、吊杆拼接可采用焊接。长度不应少于吊杆直径的六倍，并应在两侧焊接。
The hoop support of rectangular air duct shall be close to the air duct. For example, the insulation air duct shall be provided with wood blocks soaked in asphalt with insulation thickness. The air duct hanger shall be straight, the thread shall be smooth, and the hanger rod splicing can be welded. The length shall not be less than six times the diameter of the suspender and shall be welded on both sides.