通風管道及部件的安裝要點

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管道和配件可拆卸的接口，不得裝設在墻和走道樓板內。支、吊、托架的預埋件或膨脹螺栓，位置應準確、牢固可靠，埋入部分不得油漆，并應支除油污。不保溫支、吊、托架間距無設計要求應遵照下列執行。水平安裝：風管直徑或大邊長小于40mm，間距＜＝4m；大于或等于400mm，則間距≤3m。垂直安裝：間距＜＝4m但每根立管的固定件應大于等于2個。

Removable interfaces for pipes and fittings shall not be installed in walls or walkway floors. The embedded parts or expansion bolts of supports, hangers, and brackets should be positioned accurately, firmly, and reliably. The embedded parts should not be painted, and oil stains should be removed. The spacing between non insulated supports, hangers, and brackets should comply with the following design requirements. Horizontal installation: The diameter or major side length of the air duct is less than 40mm, with a spacing of ＜=4m; If it is greater than or equal to 400mm, the spacing is ≤ 3m. Vertical installation: The spacing should be ＜=4m, but each riser should have at least 2 fixed parts.

保溫管應符合設計要求。支、吊、托架不得設置在風口、閥門、檢視門外。吊架不得直接吊在法蘭上，并在適當處設防止擺動的固定點。防火閥、電動風閥等部件安裝處必須單獨設吊支架。法蘭的墊料厚度為3—5mm，塑料不得凸入管內。連接法蘭的螺栓。其螺母應在同一側，材質按設計要求進行。風管水平安裝，水平度應＜＝3／1000，總偏差應＜＝20mm。風管垂直安裝，垂直度應＜＝2／1000，總偏差應＜＝20mm。人防出墻風管按人防要求作坡度。

The insulation pipe should meet the design requirements. Supports, hangers, and brackets shall not be installed outside air vents, valves, or inspection doors. The hanger shall not be directly hung on the flange and fixed points shall be installed at appropriate locations to prevent swinging. Fire dampers, electric air dampers, and other components must be installed with separate suspension brackets. The thickness of the flange gasket is 3-5mm, and plastic must not protrude into the pipe. Bolt connecting the flange. The nuts should be on the same side, and the material should be made according to the design requirements. The air duct should be installed horizontally, with a levelness of<=3/1000 and a total deviation of<=20mm. The air duct should be installed vertically, with a verticality of<=2/1000 and a total deviation of<=20mm. The air duct for civil air defense shall be sloped according to the requirements of civil air defense.

風管的閥類調節部門應安裝在便于操作的部位，閥板應順氣流方向插入，防火閥安裝位置應正確，易熔件應在系統安裝后裝入。各類風口安裝應平整，位置準確。轉運部分應靈活，與風管連接應牢固。柔性短管安裝松緊適當，不得扭曲。

The valve regulating department of the air duct should be installed in a convenient location for operation, the valve plate should be inserted in the direction of the airflow, the installation position of the fire damper should be correct, and the fusible parts should be installed after the system is installed. The installation of various air vents should be flat and accurately positioned. The transportation part should be flexible and firmly connected to the air duct. Flexible short pipes should be installed with appropriate elasticity and should not be twisted.

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