成人伊人:常壓人孔

人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)是指用于(yu)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)員進出設(she)備以(yi)便安裝、檢(jian)(jian)修和(he)安全檢(jian)(jian)查的開(kai)(kai)孔(kong)(kong)(kong)結構。主要由短筒節（或短管）、法蘭和(he)帶(dai)把手(shou)的人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)蓋(gai)組成。從安全檢(jian)(jian)查考慮，壓(ya)力容器(qi)要求開(kai)(kai)設(she)的人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)數(shu)及(ji)其小尺寸(cun)見“檢(jian)(jian)查孔(kong)(kong)(kong)”。人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)材料(liao)有(you)碳(tan)鋼和(he)不(bu)銹鋼。按受壓(ya)情況人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)分為(wei)常壓(ya)和(he)受壓(ya)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)；按形狀人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)分為(wei)圓(yuan)形、橢圓(yuan)形和(he)矩形人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)，矩形人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)僅適用于(yu)常壓(ya)設(she)備；按安裝位置人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)分為(wei)水平和(he)垂直安裝人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)；人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)蓋(gai)固定方式(shi)有(you)迥轉蓋(gai)和(he)吊蓋(gai)；人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)開(kai)(kai)后速(su)度有(you)普通(tong)式(shi)和(he)快開(kai)(kai)式(shi)，人(ren)(ren)(ren)(ren)(ren)(ren)(ren)(ren)孔(kong)(kong)(kong)結構和(he)尺寸(cun)一般(ban)都已標準化，可參照有(you)關手(shou)冊選用或設(she)計(ji)。