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In installation calculations, one major is HVAC, where ventilation systems are a very important part.

通風(fēng)系統(tǒng)的安裝計算有兩種方法，一種是追蹤法，一種是變換法。

There are two methods for installing and calculating ventilation systems, one is the tracking method and the other is the transformation method.

通風(fēng)主要考慮風(fēng)口、風(fēng)道、風(fēng)閥、空氣設(shè)備和一些附件。下面通風(fēng)管道廠家介紹通風(fēng)系統(tǒng)中風(fēng)管和風(fēng)閥操作的注意事項：

Ventilation mainly considers air vents, ducts, dampers, air equipment, and some accessories. The following ventilation duct manufacturers will focus on the precautions for operating the ventilation system's air ducts and valves:

一、風(fēng)管的標(biāo)識

1、 Identification of air ducts

風(fēng)管改造前，有一點必須先明確，就是風(fēng)管的標(biāo)高。使用高度調(diào)整命令查看時，有時顯示的結(jié)果會有所不同。那是因為管線和管道的標(biāo)高是一條線或管道的標(biāo)高，而當(dāng)我們談到管道有多高時，我們就把管道看成一條線。如果制作風(fēng)管，在表示立面時方法會有所不同。要說風(fēng)管的底標(biāo)高，或標(biāo)高，或頂標(biāo)高。所以在風(fēng)管之前，一定要看清楚圖紙上的風(fēng)管是未來平齊、未來平齊還是中間平齊，然后相應(yīng)調(diào)整底標(biāo)高、標(biāo)高、頂標(biāo)高。

Before the renovation of the air duct, it is necessary to clarify the elevation of the air duct. When using the height adjustment command to view, sometimes the displayed results may differ. That's because the elevation of pipelines and pipelines is the center elevation of a line or pipeline, and when we talk about how high the pipeline is, we consider the pipeline as a line. If air ducts are made, the method of representing the facade may vary. When it comes to the bottom elevation, center elevation, or top elevation of the air duct. So before installing the air duct, it is important to check whether the air duct on the drawing is future flush, future flush, or center flush, and then adjust the bottom elevation, center elevation, and top elevation accordingly.

現(xiàn)在，我們需要做好管道改造。在這一步，我們需要輸入以下幾個方面：一，風(fēng)管的材質(zhì)，二，風(fēng)管的壁厚，三，風(fēng)管的接頭類型，第四，風(fēng)管的保溫厚度。

Now, we need to do a good job in pipeline renovation. In this step, we need to input the following aspects: first, the material of the air duct, second, the wall thickness of the air duct, third, the joint type of the air duct, and fourth, the insulation thickness of the air duct.

二、空氣閥圖紙及注意事項

2、 Air valve drawings and precautions

氣閥可直接轉(zhuǎn)換或繪制，方法可參考轉(zhuǎn)換設(shè)備。這里有一些關(guān)于空氣閥的特別之處。在管道，閥門是不扣除管道長度的，但是在風(fēng)管中，風(fēng)閥是扣除風(fēng)管長度的，不同類型的風(fēng)閥有不同的扣除方法。如下圖所示，風(fēng)道寬度有的是，不管什么值，只從風(fēng)閥中扣除一個固定值；有的是風(fēng)管寬度的數(shù)值，風(fēng)閥長度與風(fēng)管高度固定；在另一種情況下，空氣導(dǎo)管的寬度和空氣閥的長度之間存在對應(yīng)關(guān)系。我們可以根據(jù)具體說明選擇不同類型的氣閥。

The air valve can be directly converted or drawn, and the method can refer to the conversion equipment. Here are some special things about air valves. In the pipeline profession, valves do not deduct the length of the pipeline, but in the air duct, air valves deduct the length of the air duct, and different types of air valves have different deduction methods. As shown in the figure below, there are some air duct widths, and no matter what value, only a fixed value is deducted from the air valve; Some are numerical values for the width of the air duct, with the length of the air valve fixed to the height of the air duct; In another case, there is a corresponding relationship between the width of the air duct and the length of the air valve. We can choose different types of air valves based on specific instructions.

本文由濟南通風(fēng)管道友情奉獻(xiàn).更多有關(guān)的知識請點擊:http://www.zhenzhikeji.cn真誠的態(tài)度.為您提供為全面的服務(wù).更多有關(guān)的知識我們將會陸續(xù)向大家奉獻(xiàn).敬請期待.

This article is dedicated by Jinan Ventilation Pipeline Friendship. For more relevant knowledge, please click on: http://www.zhenzhikeji.cn Sincere attitude. We will provide you with comprehensive services. We will gradually contribute more relevant knowledge to everyone. Stay tuned