神马av_日韩第一页_免费精品一区_神马AV_神马久久久久久久久_日韩无码第一页_色哒哒_无码人妻熟妇av又粗又_国产69久久久欧美黑人A片_日韩欧美亚洲_无码第一页_神马午夜精品91_无码人妻熟妇av又粗,日韩免费人妻无码专区蜜桃,亚洲阿大香蕉,欧美亚洲男人天堂,国产无码精品一区二区,揉着我的奶从后面进去视频,免费全部黄A片免费播放软件,国产色中色,免费看的久久久久,天美传媒部在线观看,久久久久久亚洲综合,大香蕉日韩成人在线视频,久久无码潮喷A片无码高潮动漫,精品久久亚洲熟女,国产欧美精品aaaaa久久,直男国产飞机杯,我的公把我弄高潮了视频,免费的精品一区二区三区片,国产日韩欧美三级,亚州A级片,自拍偷拍亚洲porn,少妇水多A片太爽了,日本久操,成人午夜福利无码不卡视频,国产一区二区不卡亚洲涩情,日韩欧美亚洲综合久久,国产亚洲精品久久孕妇呦呦你懂,国产又粗又长又大精品A片,自偷自拍亚洲综合精品第一页,亚洲欧美熟妇久久久久久久久 ,香蕉视频操逼奶子

Fabrication and installation method of ventilation duct:

1、管道安裝準備工作,管道在安裝前應對其除塵,保證管道內外表面整潔,管道在安裝前應檢查其平整和水平度,經監理或甲方認可并填寫有關驗收資料后方可安裝。管道吊裝前先要核對現場結構預留孔洞的位置、尺寸、標高,并將風管內外擦拭干凈,嚴防施工中的垃圾 管道中,安裝部位的障礙物要清理。

1. For the preparation of pipeline installation, the dust shall be removed before the installation of the pipeline to ensure that the internal and external surfaces of the pipeline are clean. The flatness and levelness of the pipeline shall be checked before installation. The pipeline can be installed only after it is approved by the supervisor or Party A and relevant acceptance data are filled in. Before pipe hoisting, the position, size and elevation of the reserved holes in the site structure shall be checked, and the inside and outside of the air duct shall be wiped clean to prevent the obstacles in the garbage pipeline and the installation part from being cleaned.

2、通風管道及部件的安裝方法及要求

2. Installation methods and requirements of ventilation pipes and components

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。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單獨設吊支架。

Removable interfaces of pipes and fittings shall not be installed in walls and walkway floors. The position of embedded parts or expansion bolts of supports, hangers and brackets shall be accurate, firm and reliable. The embedded parts shall not be painted, and the oil stain shall be removed. There are no design requirements for the spacing of non insulated supports, hangers and brackets, and the following shall be followed. Horizontal installation: the diameter or large side length of air duct is less than 40mm, and the spacing is < = 4m; If it is greater than or equal to 400mm, the spacing is ≤ 3M. Vertical installation: the spacing is < = 4m, but the fixed parts of each riser shall be greater than or equal to 2. The insulation pipe shall meet the design requirements. The support, hanger and bracket shall not be set outside the air outlet, valve and inspection door. The hanger shall not be directly hung on the flange, and fixed points to prevent swing shall be set at appropriate places. The installation of fire damper, electric air valve and other components shall be separately provided with lifting support.

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。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 thickness of flange gasket is 3-5mm, and the plastic shall not protrude into the pipe. Bolts connecting flanges. The nut shall be on the same side and the material shall be in accordance with the design requirements. The air duct shall be installed horizontally, the levelness shall be < = 3 / 1000, and the total deviation shall be < = 20mm. The air duct shall be installed vertically, the perpendicularity shall be < = 2 / 1000, and the total deviation shall be < = 20mm. The air duct out of the wall of civil air defense shall be sloped according to the requirements of civil air defense. The valve regulating Department of the air duct shall be installed at the position convenient for operation, the valve plate shall be inserted along the air flow direction, the installation position of the fire damper shall be correct, and the fusible parts shall be installed after the installation of the system. The installation of various air outlets shall be flat and accurate. The transfer part shall be flexible and firmly connected with the air duct. The flexible short pipe shall be installed with proper tightness and shall not be twisted.

通過上文的介紹,相信大家對于通風管道安裝有了一定的了解決,重慶科新通風設備有限公司,在選購時注意選擇正規公司即可,另外,在安裝時,一定要了解要求,及安裝方法,這樣才能更好的操作,這樣才能保證工程的質量度。

Through the above introduction, I believe you have some solutions for the installation of ventilation pipes. Chongqing Kexin ventilation equipment Co., Ltd. should pay attention to selecting a regular company when purchasing. In addition, during installation, we must understand the requirements and installation methods, so as to better operate and ensure the quality of the project.

以上就是濟南通風管道http://m.xmxdgg.com/為大家介紹的內容，感謝您在百忙之中查看我公司的信息內容，如果您想要了解的更多，歡迎您來電進行咨詢!
The above is Jinan ventilation duct http://www.jntfgd.co./Thank you for checking the information of our company in your busy schedule. If you want to know more, you are welcome to call for consultation!