通风管道材质应该怎样选择呢？通风管道厂家为您讲解：
How should the material of the ventilation duct be selected? The ventilation duct manufacturer will explain to you:
通风管道与附件的制作安装规范细则：
Detailed rules for the production and installation of ventilation ducts and accessories:
1、在密闭阀门至工程口部的管道与配件，应采用厚2-3mm的钢板焊接制作，其焊缝应饱满、均匀、严密。
1. The pipes and fittings from the closed valve to the engineering outlet should be welded with 2-3mm thick steel plates, and the welds should be full, uniform, and tight.
2、染毒区的通风管道应采用焊接连接。通风管道与密闭阀门应采用带密闭槽的法兰连接，其接触应平整；法兰垫圈应采用整圈无接口橡胶密封圈。
2. The ventilation ducts in the contaminated area should be connected by welding. The ventilation pipeline and sealed valve should be connected by a flange with a sealed groove, and their contact should be flat; The flange gasket should use a full ring non interface rubber sealing ring.
3、主体工程内通风管与配件的钢板厚度应符合设计要求。当设计无具体要求时，钢板厚度应大于0.75mm。
3. The thickness of steel plates for ventilation pipes and accessories in the main project should meet the design requirements. When there are no specific requirements in the design, the thickness of the steel plate should be greater than 0.75mm.
4、工程测压管在防护密闭门外的一端应设有往下的弯头，另一端宜设在通风机房或控制室，并应安装球阀。通过防毒通道的测压管地变电阻柜 精密铸造 中频电炉设备 保定断桥铝门窗 保定养老院 镜子批发 启闭机，其接口应采用焊接。
4. The engineering pressure measuring pipe should have a downward bend at one end of the protective sealed door, and the other end should be located in the ventilation room or control room, and a ball valve should be installed. The interface of the pressure measuring tube passing through the antivirus channel should be welded.
5、通风管的测定孔、洗消取样管应与管同时制作。测定孔和洗消取样管应封堵。
5. The measuring hole and washing sampling tube of the ventilation pipe should be made simultaneously with the pipe. The measuring hole and washing sampling tube should be sealed.
6、通风管道内气流方向、阀门启闭方向及开启度，应标示清晰、准确。
6. The airflow direction, valve opening and closing direction, and opening degree inside the ventilation duct should be clearly and accurately marked.