日韩av大片在线观看欧美成人不卡|午夜先锋看片|中国女人18毛片水多|免费xx高潮喷水|国产大片美女av|丰满老熟妇好大bbbbbbbbbbb|人妻上司四区|japanese人妻少妇乱中文|少妇做爰喷水高潮受不了|美女人妻被颜射的视频,亚洲国产精品久久艾草一,俄罗斯6一一11萝裸体自慰,午夜三级理论在线观看无码

防爆防粉塵點(diǎn)燃型防護(hù)罩技術(shù)參數(shù)：
防護(hù)等級  Rate                                                                   IP68
外型尺寸  Outside Dimension                                         380（L）*175（H）*180（W）mm
內(nèi)徑尺寸  Inside Dimension                                            Φ110*280mm
視窗厚度/面積 Windows’ Thickness/Area                 94mm²
進(jìn)風(fēng)口尺寸  Inlet Size                                                       G 3/8"
氣壓  Atmospheric Pressure                                           0.1～0.3Mpa
材質(zhì)  Material                                                                      不銹鋼304或者316L
出線孔數(shù)量 Number of round holes                              2
出線孔螺紋規(guī)格 Round hole thread specifications  M20*1.5
輸入電壓Input Voltage                                                       AC 220V，50/60Hz
適用環(huán)境                                       用于惡劣的具有易燃易爆粉塵的環(huán)境中
環(huán)境溫度Environment Temperature                               -45℃～70℃