上海閥(fa)(fa)盛閥(fa)(fa)門制(zhi)造有限公司主要(yao)生(sheng)產手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)，可提供手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)價格，手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)說明(ming)書，手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)實物圖，手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)結構圖，手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)外形(xing)尺寸，手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)執行標準(zhun)，手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)工作原理(li)，手(shou)(shou)動(dong)(dong)(dong)(dong)扇(shan)形(xing)盲(mang)板(ban)(ban)閥(fa)(fa)作用(yong)特點。

手動(dong)扇形盲板閥技術參數(shu)：