午夜成人亚洲理伦片在线观看

水平吊蓋帶頸對焊法蘭人孔

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關鍵詞: 常壓人孔           

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午夜(ye)成人(ren)亞洲理倫片在線觀看(kan):常壓人(ren)孔

人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)是指用于人(ren)(ren)(ren)員(yuan)進(jin)出(chu)設(she)備(bei)以便安裝(zhuang)、檢(jian)(jian)修和安全(quan)檢(jian)(jian)查的(de)開(kai)孔(kong)(kong)(kong)(kong)結構(gou)。主要(yao)由(you)短筒(tong)節(或(huo)短管)、法蘭和帶(dai)把手的(de)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)蓋組(zu)成。從安全(quan)檢(jian)(jian)查考慮,壓(ya)(ya)(ya)力容器要(yao)求(qiu)開(kai)設(she)的(de)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)數(shu)及其小(xiao)尺(chi)寸見“檢(jian)(jian)查孔(kong)(kong)(kong)(kong)”。人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)材料有(you)碳鋼(gang)和不銹鋼(gang)。按(an)受壓(ya)(ya)(ya)情況(kuang)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)分為(wei)常(chang)(chang)壓(ya)(ya)(ya)和受壓(ya)(ya)(ya)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong);按(an)形(xing)(xing)狀(zhuang)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)分為(wei)圓形(xing)(xing)、橢圓形(xing)(xing)和矩(ju)形(xing)(xing)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong),矩(ju)形(xing)(xing)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)僅適(shi)用于常(chang)(chang)壓(ya)(ya)(ya)設(she)備(bei);按(an)安裝(zhuang)位(wei)置人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)分為(wei)水平和垂直(zhi)安裝(zhuang)人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong);人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)蓋固(gu)定方式有(you)迥轉蓋和吊蓋;人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)開(kai)后(hou)速度有(you)普(pu)通(tong)式和快開(kai)式,人(ren)(ren)(ren)孔(kong)(kong)(kong)(kong)結構(gou)和尺(chi)寸一般都已標(biao)準化,可參照有(you)關手冊選(xuan)用或(huo)設(she)計。

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