TD641W氣(qi)動(dong)(dong)通(tong)風蝶(die)閥(fa)采用鋼板(ban)焊接制造,具有結構尺寸短,重量(liang)輕,安裝方便等特點(dian)。該閥(fa)驅動(dong)(dong)力矩小(xiao),啟閉靈活,操(cao)作方便。閥(fa)體上設置(zhi)油密封(feng)擋圈,密封(feng)副之間(jian)無(wu)可見間(jian)隙,泄漏率小(xiao)。蝶(die)板(ban)與閥(fa)體間(jian)的膨脹間(jian)隙大(da),能有效(xiao)防止因熱漲(zhang)冷縮造成(cheng)的卡死現(xian)象。本閥(fa)可配備多種(zhong)驅動(dong)(dong)裝置(zhi),如(ru)手(shou)動(dong)(dong)裝置(zhi)、蝸輪傳動(dong)(dong)裝置(zhi)、氣(qi)動(dong)(dong)裝置(zhi)、電動(dong)(dong)裝置(zhi)。通(tong)風蝶(die)閥(fa)廣泛用于治金、師化、電力、建材、礦山等工業管線,對介質氣(qi)體氣(qi)控制或調(diao)節作用。
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