上(shang)海(hai)閥盛閥門制(zhi)造有限(xian)公司主要生產(chan)Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥，可提供(gong)Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥價格，Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥說(shuo)明書，Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥實(shi)物圖，Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥結構圖，Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥外形尺寸(cun)，Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥執(zhi)行標準，Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥工(gong)作原理，Y型(xing)(xing)(xing)(xing)角座(zuo)(zuo)(zuo)閥作用特(te)點。

3．溢流口與滑塊間有自調節密封壓(ya)蓋,可提高密封性能。