咨詢熱線：
手(shou)動(dong)球(qiu)(qiu)(qiu)閥有(you)(you)O型(xing)球(qiu)(qiu)(qiu)閥和V型(xing)球(qiu)(qiu)(qiu)閥之分(fen)。O型(xing)球(qiu)(qiu)(qiu)閥采用(yong)浮(fu)動(dong)式(shi)(shi)結構，球(qiu)(qiu)(qiu)芯為精密鑄(zhu)件，外表鍍硬鉻處理，閥座采用(yong)增強聚四氟乙烯材料，流道(dao)口(kou)與管道(dao)口(kou)徑相同，流通能(neng)力極大(da)，流阻極小，關閉時無泄漏，一(yi)般做開(kai)關閥使(shi)用(yong)，特(te)別適用(yong)于高粘度(du)、含纖維、顆(ke)粒狀介質；V型(xing)球(qiu)(qiu)(qiu)閥采用(yong)固定(ding)式(shi)(shi)結構，球(qiu)(qiu)(qiu)芯上開(kai)有(you)(you)V型(xing)切口(kou)，可(ke)實現比(bi)例調節，流量特(te)性為近(jin)似等(deng)百分(fen)比(bi)。
