4-72A型不銹鋼通風(fēng)機 4-72A型不銹鋼通風(fēng)機可輸送空氣和其他不自燃的、對人體無害的、對鋼材無腐蝕性的氣體。氣體內(nèi)不允許有粘性物質(zhì)，所含塵土及硬質(zhì)顆粒物不大于150mg/m。氣體溫度不得超過80℃。該風(fēng)機廣泛適用于工礦企業(yè)、大型建筑物、賓館酒樓等室內(nèi)通風(fēng)換氣排煙。
產(chǎn)品型式:該風(fēng)機為A式傳動：風(fēng)機無附加軸承支承，葉輪與電機直聯(lián)傳動。機號有NO2.5、2.8、3.2、3.6、4、4.5、5、5.6、6、6.3、7.1十一種?？芍瞥捎倚妥笮齼煞N型式，葉輪順時針旋轉(zhuǎn)，稱為右旋風(fēng)機。以“右”表示，葉輪逆時針旋轉(zhuǎn)，稱為左旋風(fēng)機，以“左”表示。風(fēng)機的出口位置，以機殼的出風(fēng)角度表示。4-72(No)2-7.1出廠時均做成多種型式，可根據(jù)使用單位要求安裝成所需的位置，即出風(fēng)口位置調(diào)整范圍0°~225°間隔是22.5°或45°，即（0°、45°、90°、135°、180°、225°）共六種，用戶根據(jù)需求制成一種方向角度。
結(jié)構(gòu)特點:本風(fēng)機主要由葉輪、機殼、進風(fēng)口、電機板等配直連電動機而組成。葉輪：由10個后傾斜的機翼型葉片、曲線型前盤和平板后盤組成。并經(jīng)過動平衡校正，氣動性能，故運轉(zhuǎn)平衡、振動小、效率高、壽命長等特點。機殼：用鋼板焊成蝸型殼體。進風(fēng)口：制成整體（全部模具成型），裝于風(fēng)機的側(cè)面，于軸向平行的戴面未曲線形狀，能使氣體順利進入葉輪，且損失較小。

4-72A Stainless steel fan 4-72A Stainless steel fan It can transport air and other non-flammable harmless to human body and non-corrosive gas to steel. No viscous substances are allowed in the gas. Dust and hard particulate matter should not be greater than 150mg/m. The gas temperature shall not exceed 80℃. The fan is widely used in industrial and mining enterprises large buildings hotels restaurants and other indoor ventilation.
Product type: The fan is A type drive: the fan has no additional bearing support and the impeller is directly driven with the motor. There are 11 kinds of machine numbers: NO2.5, 2.8, 3.2, 3.6, 4, 4.5, 5, 5.6, 6, 6.3 and 7.1. Can be made into right-handed and left-handed two types the impeller rotating clockwise called right-handed fan. In & other; Right & throughout; That the impeller rotates counterclockwise called the left cyclone to “ Left & throughout; Said. The outlet position of the fan is expressed by the outlet Angle of the enclosure. 4-72(No)2-7.1 factory are made into a variety of types according to the requirements of the unit installed into the required position that is the outlet position adjustment range of 0° ~ 225° Or 45° that is, (0°, 45°, 90°, 135°, 180°, 225°) a total of six the user makes a direction Angle according to the demand.
Structure features: The fan is mainly composed of impeller housing air inlet motor plate and other directly connected to the motor. Impeller: consists of 10 rear sloped airfoil blades curved front disc and flat rear disc. And after dynamic balance correction pneumatic performance so the operation balance small vibration high efficiency long life and other characteristics. Housing: welded with steel plate into a cochlear housing. Air INLET: MADE INTO a WHOLE (all mold molding) installed on the side of the fan parallel to the axial surface without curve shape can make the gas smoothly into the impeller and the loss is small.