上海閥(fa)(fa)(fa)(fa)盛閥(fa)(fa)(fa)(fa)門制造(zao)有限公司(si)主要(yao)生(sheng)產扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)，可提供扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)價格(ge)，扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)說明書，扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)實物圖，扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)結(jie)構圖，扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)外(wai)形(xing)(xing)(xing)(xing)(xing)尺寸(cun)，扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)執(zhi)行標準，扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)工作(zuo)原理，扇(shan)形(xing)(xing)(xing)(xing)(xing)閘(zha)閥(fa)(fa)(fa)(fa)作(zuo)用特點。

扇形閘閥技術參數：