说到白铁皮通风管道的制作要求，来讲，对于设备上的支吊架以及其法兰或者是加固框一定的是要注意除锈彻底，一直到除去表面氧化层为止。紧接着，就其在很大的程度上其实也就是要注意一下法兰螺栓在间距上的要求，对于通风管道上的空调系统间距要注意必须是要小于或者是等于120MM。
As for the manufacturing requirements of galvanized ventilation pipes, first of all, for the supports and hangers on the equipment and their flanges or reinforcing frames, it is necessary to pay attention to the thorough rust removal until the surface oxide layer is removed. Then, to a large extent, it is necessary to pay attention to the requirements of flange bolt spacing. For the air conditioning system spacing on the ventilation duct, it must be less than or equal to 120MM.
接下来，就白铁皮通风管道在进行制作和加工的时候，讲到排烟系统上的白铁皮风管间距应该是要小于100MM。对于四角距法兰边的地方，对于其法兰螺栓不可以超过50MM。对于所有吊架应该是要注意除毛刺和采用钻孔，不可以用氧气吹孔。
Next, when making and processing the galvanized air duct, it was mentioned that the spacing of galvanized air duct on the smoke exhaust system should be less than 100MM. The flange bolts at the places with four corners away from the flange edge shall not exceed 50MM. For all hangers, attention shall be paid to deburring and drilling, instead of blowing holes with oxygen.
再者，就白铁皮通风管道在进行加工的时候，对于其吊杆如搭接来讲，我们其实也就是要注意应该是要注意对于它的搭接长度应该是要大于60MM才可以。再者，就白铁皮风管咬口缝应该是要注意错开，不可以有十字型拼接缝。
Moreover, when processing the galvanized air duct, we should pay attention to the overlapping length of its suspenders, such as more than 60MM. Moreover, the seaming of galvanized air duct shall be staggered, and no cross seam is allowed.
就下一个方面来讲，对于白铁皮通风管道应该是要注意先从接口和弯头、变径上开始做起，不可以随意去改变弯头与其变径接头尺寸，对于它的弯头来讲的话，就其本身也就是应该是应该保证内外侧表面为同心圆，不然，就其边长上也就是要注意大于500MM的时候也就是应该是要去进行设置导流叶片，一般情况之下不可以进行采用。
In terms of the next aspect, for the galvanized air duct, attention should be paid to starting from the interface, elbow and reducer. The size of the elbow and its reducer joint should not be changed at will. For its elbow, it should ensure that the inner and outer surfaces are concentric, otherwise, it should pay attention to the setting of guide vanes when the side length is greater than 500 mm, Generally, it cannot be adopted.
Shandong ventilation duct processing focuses on processing and production of various ventilation ducts. Shandong Senhe Ventilation Equipment Co., Ltd. has more than ten years of production experience. For more highlights, please click our website: http://www.jnqsg.com
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