產品介紹
人(ren)(ren)(ren)孔(kong)是(shi)指用(yong)(yong)于人(ren)(ren)(ren)員進出(chu)設備(bei)以便安(an)(an)裝(zhuang)、檢(jian)(jian)修(xiu)和(he)(he)安(an)(an)全(quan)檢(jian)(jian)查的(de)開(kai)(kai)(kai)孔(kong)結構(gou)。主要由短(duan)筒節(或短(duan)管)、法蘭和(he)(he)帶把手(shou)(shou)的(de)人(ren)(ren)(ren)孔(kong)蓋(gai)組成。從(cong)安(an)(an)全(quan)檢(jian)(jian)查考慮,壓(ya)力容器要求開(kai)(kai)(kai)設的(de)人(ren)(ren)(ren)孔(kong)數及其小尺寸見“檢(jian)(jian)查孔(kong)”。人(ren)(ren)(ren)孔(kong)材料有(you)(you)碳(tan)鋼和(he)(he)不銹(xiu)鋼。按受壓(ya)情況(kuang)人(ren)(ren)(ren)孔(kong)分(fen)為(wei)(wei)常壓(ya)和(he)(he)受壓(ya)人(ren)(ren)(ren)孔(kong);按形狀人(ren)(ren)(ren)孔(kong)分(fen)為(wei)(wei)圓形、橢圓形和(he)(he)矩形人(ren)(ren)(ren)孔(kong),矩形人(ren)(ren)(ren)孔(kong)僅適用(yong)(yong)于常壓(ya)設備(bei);按安(an)(an)裝(zhuang)位(wei)置人(ren)(ren)(ren)孔(kong)分(fen)為(wei)(wei)水平和(he)(he)垂直(zhi)安(an)(an)裝(zhuang)人(ren)(ren)(ren)孔(kong);人(ren)(ren)(ren)孔(kong)蓋(gai)固定(ding)方式有(you)(you)迥轉蓋(gai)和(he)(he)吊(diao)蓋(gai);人(ren)(ren)(ren)孔(kong)開(kai)(kai)(kai)后速度有(you)(you)普通式和(he)(he)快開(kai)(kai)(kai)式,人(ren)(ren)(ren)孔(kong)結構(gou)和(he)(he)尺寸一般都已(yi)標準化,可參照有(you)(you)關手(shou)(shou)冊(ce)選用(yong)(yong)或設計。