精品永久久福利一区二区_久久精品国产亚洲AV影院_国产黄大片在线观看画质优化_影音先锋中文字幕人妻

 揚(yang)州貝爾閥(fa)(fa)(fa)(fa)門控制有限(xian)公司專(zhuan)業生產西門子(zi)電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，羅托克電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，德國PS電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，精小型(xing)電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，LQ系列電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，DKZ直行(xing)(xing)(xing)程(cheng)電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，DKJ角行(xing)(xing)(xing)程(cheng)電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，DQW部分回轉電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，DZW多(duo)回轉電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，3810系列電(dian)(dian)子(zi)式電(dian)(dian)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)(xing)器(qi)，電(dian)(dian)動(dong)(dong)閥(fa)(fa)(fa)(fa)門控制器(qi)，電(dian)(dian)動(dong)(dong)閘閥(fa)(fa)(fa)(fa)，電(dian)(dian)動(dong)(dong)截止閥(fa)(fa)(fa)(fa)，電(dian)(dian)動(dong)(dong)蝶閥(fa)(fa)(fa)(fa)，電(dian)(dian)動(dong)(dong)球閥(fa)(fa)(fa)(fa)，電(dian)(dian)動(dong)(dong)調節閥(fa)(fa)(fa)(fa)，止回閥(fa)(fa)(fa)(fa)，電(dian)(dian)磁閥(fa)(fa)(fa)(fa)，廣泛應用于(yu)電(dian)(dian)力(li)、鋼(gang)廠(chang)、石油、冶金、化(hua)工、樓(lou)宇和給排水(shui)等自動(dong)(dong)化(hua)行(xing)(xing)(xing)業工程(cheng)。

一、貝爾大口徑普通開關型電動通風蝶閥產品概述：開關型電動通風蝶閥采用中線式碟板與短結構鋼板焊接的新型結構形式設計制造的，結構緊湊、重量輕、便于安裝、流阻小、流通量大，避免高溫膨脹的影響，操作輕便。體內無連桿、螺栓等、工作可靠、使用壽命長。可以多工位安裝，不受介質流向影響。開關型電動通風蝶閥主要用于冶金、化工、建材、電站、玻璃等行業中的通風、環保工程的含塵冷風或熱風氣體管道中，作為氣體介質調節流量或切斷裝置。二、貝爾大口徑普通開關型電動通風蝶閥產品特點：1、開關型電動通風蝶閥采用中線式碟板與短結構鋼板焊接的新型結構形式設計制造的，避免高溫膨脹的影響，操作輕便.2、內無連桿、螺栓等、工作可靠、使用壽命長。可以多工位安裝，不受介質流向影響。3、設計新穎、合理、結構*，重量輕，啟閉迅速。4、電動通風蝶閥操力矩小，操作方便，省力靈巧。5、電動通風蝶閥采用適應的材料以滿足低、中、高不同介質溫度其及腐蝕性介質等。三、貝爾大口徑 電動通風蝶閥 開關型 法蘭電動圓風門 廠家直銷蝶閥外形尺寸：