風閥的特點：對開多葉風閥接管尺寸與通風管道規范化規定的矩形風管尺寸相同;風閥葉片為對開式和順開式，通風、空氣調節、空氣凈化系統中作為調節閥;通過試驗測定，風閥的氣密性好，其相對漏風量在5%左右，調節性能好。

　　The characteristics of the air valve: Multiblade wind valve and the vent pipe size regulate the rectangular duct; air valve leaves open the split rolls, ventilation, air conditioning and air purification system as a control valve; by testing, air tightness of the air valve, the relative amount of air leakage in 5%, good regulating performance.

　　風閥，顧名思義，即風量調節閥,風閥是工業廠房民用建筑的通風、空氣調節及空氣凈化工程中不可缺少的空調末端配件，一般用在空調，通風系統管道中，用來調節支管的風量，也可用于新風與回風的混合調節。

　　As the name implies, namely air valve, air flow control valve, air valve is the central air conditioning terminal fittings ventilation and air conditioning and air purification of civil building engineering in an industrial plant, commonly used in air conditioning, ventilation pipe system, used to adjust the tube of the air flow, can also be used for mixing of fresh air and return air conditioning.

　　一般濟南排煙罩用在空調，通風系統管道中，用來調節支管的風量，也可用于新風與回風的混合調節。

　　Generally, the smoke hood of Ji'nan is used in the air conditioning and ventilation system pipes to regulate the air flow of the branch pipe, and also can be used for the mixing regulation of fresh air and return air.

　　1.強度試驗時，試驗壓力為公稱壓力的1.5倍，持續時間不少于5min，閥門的殼體、填料應無滲漏。

　　1. strength test, the test pressure is 1.5 times the nominal pressure, duration of not less than 5min, the valve shell, filler should be no leakage.

　　2.閥門的安裝位置、高度、進出口方向必須符合符合口方向 ;設計要求，連接應牢固緊密。

　　2. valve installation position, height, import and export direction must comply with the direction of the mouth; design requirements, the connection should be solid and tight.

　　3.嚴密性試驗時，試驗壓力為公稱壓力的1.1倍;試驗壓力在試驗持續的時間內應保持不變，時間應符合表2的規定，以閥瓣密封面無滲漏為合格。

　　3. tight test, the test pressure is 1.1 times the nominal pressure; test pressure in the duration of the test should remain unchanged, the time should comply with table 2, to the surface of the valve sealing surface leakage is qualified.

　　4.閥門可用各種形式的端部與管路連接。其中主要的連接方式有螺紋、法蘭及焊接連接。法蘭連接時，若溫度超過350℃時，由于螺栓、法蘭和墊片蠕變松弛，應選擇耐高溫螺栓材料。

　　4. valves can be connected in various forms to the ends of the pipe. The most important connections are threaded, flanged and welded connections. If the temperature is more than 350 degrees when the flange is connected, because of the creep of bolts, flanges and gaskets, high temperature bolt material should be chosen.

　　本文的精彩內容來自濟南排煙罩詳細內容請點擊我們的網站:http://www.pvcbox.cn/謝謝您的到來!

　　The exciting content of this article comes from the smoke hood of Ji'nan. Please click on our official website: http://www.pvcbox.cn/, thank you for coming!

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