螺旋风管的种类: Type of spiral duct: 螺旋风管市场上按材质一般分为三类:镀锌螺旋风管、不锈钢螺旋风管以及复合螺旋风管。其中,不锈钢风管质量最好,适用性强,但价格高。目前市场上...
通风管道工程量计算规则 Calculation rules for quantities of ventilation pipes 1, 薄钢板风管 1. Sheet steel air duc...
排烟管与附件的安装 Installation of smoke exhaust pipe and accessories 1、排烟管宜采用钢管或铸铁管。当采用焊接钢管时,其壁厚应大于3mm;管道连...
通风系统试验应符合下列规定: The ventilation system test shall meet the following requirements: 1、防毒密闭管路及密闭阀门的气密...
风管施工质量控制管理把握以下几点: Air duct construction quality control management shall grasp the following points...
风管系统安装后不按规定作漏光、漏风检查和试验 After the installation of the air duct system, the light and air leakage ins...
风管安装前未清除内部杂物 The internal sundries of the air duct are not removed before installation 风管安装前应清除内、外...