√天堂中文在线BT种子_中文在线最新版天堂_亚洲日韩欧洲无码av夜夜摸_老熟妇愉情MAGNET

內(nei)螺紋三(san)通(tong)(tong)(tong)球(qiu)閥分(fen)(fen)為L形和T形，L形（Q14F）三(san)通(tong)(tong)(tong)球(qiu)閥用(yong)于介質(zhi)(zhi)流(liu)(liu)(liu)(liu)向(xiang)的切換，能(neng)使(shi)相(xiang)互(hu)垂直的兩個(ge)通(tong)(tong)(tong)道(dao)連接；T形（Q15F）三(san)通(tong)(tong)(tong)球(qiu)閥用(yong)于介質(zhi)(zhi)分(fen)(fen)流(liu)(liu)(liu)(liu)、合(he)流(liu)(liu)(liu)(liu)及流(liu)(liu)(liu)(liu) 向(xiang)切換。T形三(san)通(tong)(tong)(tong)可以使(shi)三(san)個(ge)通(tong)(tong)(tong)道(dao)相(xiang)互(hu)連通(tong)(tong)(tong)或使(shi)其(qi)中(zhong)的兩個(ge)通(tong)(tong)(tong)道(dao)連通(tong)(tong)(tong)。適用(yong)于供水、石化、冶金、礦山、輕(qing)紡、能(neng)源、造紙、食(shi)品、鋼鐵(tie)等管(guan)路系統中(zhong)對(dui)介質(zhi)(zhi)流(liu)(liu)(liu)(liu)向(xiang)進行切換以及對(dui)介質(zhi)(zhi)的分(fen)(fen)流(liu)(liu)(liu)(liu)或混合(he)流(liu)(liu)(liu)(liu)體。

執行機構選型
內螺紋三通(tong)球(qiu)閥通(tong)過(guo)支(zhi)架和(he)(he)聯軸器和(he)(he)電動執行(xing)機構和(he)(he)氣動執行(xing)機構連(lian)接，組成(cheng)，電動內螺紋三通(tong)球(qiu)閥（開(kai)關型(xing)和(he)(he)調節型(xing)控(kong)制信(xin)(xin)號4-20mA）和(he)(he)氣動內螺紋三通(tong)球(qiu)閥（開(kai)關型(xing)和(he)(he)調節型(xing)控(kong)制信(xin)(xin)號4-20mA）