亚洲午夜精品久久久久久成年,毛片无码免费无码播放,国产XXX69麻豆国语对白,免费一级a一片久久精品网
Ex-Qidong double the original Electric Co., Ltd

0513-83320018
Product
2024/5/13 9:50:00 防爆正壓柜
Working principle of explosion proof positive pressure cabinet 1. When the pressure is higher than 1000 Pa, the relief valve automatically ope...
2024/5/13 9:50:00 
什么叫防爆正壓柜?   1、當(dāng)氣壓高于1000Pa時,泄壓閥主動敞開排氣閥,主動調(diào)整內(nèi)部氣壓,確保商品不受高氣壓沖擊而變形損壞。   2、當(dāng)氣壓低于50Pa時,自控體系主動宣布報警以及輸出報警信號,需調(diào)整內(nèi)部壓力,補氣成功時,主動康復(fù)正常,不然必要時可設(shè)置體系主動斷電(國標(biāo)規(guī)則1區(qū)低壓報警需堵截...
2024/5/13 9:50:00 Explosion-proof positive pressure cabinet
Product introduction of explosion-proof positive pressure cabinet with left and right chambers I. Application Scope of Explosion-proof Positive Pre...
2024/5/13 9:50:00 
One, the positive pressure explosion-proof control cabinet selection Types of meaning PXK - / / / / / / T The user can mark according to special re...
2024/5/13 9:50:00 
防爆正壓柜適用范圍   防爆正壓柜在爆炸性氣體環(huán)境危險區(qū)域應(yīng)用的劃分:   不同的國家和地區(qū),按各自的標(biāo)準(zhǔn)劃分爆炸危險區(qū)域。我國根據(jù)爆炸性氣體混合物出現(xiàn)的頻繁程度和持續(xù)時間,將爆炸性氣體環(huán)境分為0區(qū)、1區(qū)和2區(qū)。(與IEC國際電工委員會一致)   0區(qū):連續(xù)出現(xiàn)或長期出現(xiàn)爆炸性氣體混合物的環(huán)境...
2024/5/13 9:50:00 
The working principle of a, explosion-proof is the closet 1. When air pressure is higher than 1000 pa, pressure release valve automatically open the ...
    Home Last Next End    1/1 Pages , total 6
亚洲午夜精品久久久久久成年,毛片无码免费无码播放,国产XXX69麻豆国语对白,免费一级a一片久久精品网