上海閥(fa)盛閥(fa)門(men)制造有限公司主要生產(chan)GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))，可提供GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))價格，GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))說明書，GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))實物圖，GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))結構圖，GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))外形尺寸，GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))執行標準(zhun)，GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))工作(zuo)原理，GD-J(b) 型(xing)手(shou)動(dong)(dong)高(gao)(gao)真(zhen)(zhen)空(kong)(kong)擋板(ban)閥(fa)(帶(dai)(dai)波(bo)(bo)紋(wen)(wen)(wen)管(guan)(guan)密封(feng)(feng))作(zuo)用特(te)點(dian)。

GD-J(b) 型手動高真空擋板閥(帶波紋管密封)主要技術性能： 適用范圍(Pa) 2x105～1.3x10-6 閥門漏率(Pa.L/S) ≤1.3x10-7 適用溫度（℃） -25～+40 法蘭標準 GB4982 安裝位置 任意

GD-J(b) 型手動高真空擋板閥(帶波紋管密封)連接及外形尺寸：

型號 通徑(DN) ΦD ΦB ΦW H A bxb GD-J10(b)/KF 10 30 12.2 36 116 40 37x37 GD-J16(b)/KF 16 30 17.2 36 116 40 37x37 GD-J25(b)/KF 25 40 26.2 50 144 50 61x61 GD-J40(b)/KF 40 55 41.2 56 174 65 81x81