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GM型高真空隔膜閥主要技術性能： 適用范圍(Pa) 105～1.3x10-4 閥門漏率(Pa.L/S) ≤1.3x10-4 介質溫度（℃） -25～+80(密封材料為丁腈橡膠) -30～+150(密封材料為氟橡膠) 安裝位置 任意

GM型高真空隔膜閥(圖一)活套法蘭連接及外形尺寸：

型號 通徑(DN) ΦD ΦB ΦW H L n-ΦC 法蘭標準 GM-10 10 46 36 55 75 75 4-Φ6 JB919 GM-25 25 70 55 90 115 120 4-Φ7 GB/T6070     GM-40 40 100 80 100 132 150 4-Φ9 GM-50 50 110 90 100 157 180 4-Φ9

GM型高真空隔膜閥(圖二)快卸法蘭(KF)連接及外形尺寸：

型號 通徑(DN) ΦD ΦB ΦW H L 法蘭標準 GM-10/KF 10 30 12.2 55 75 75 GB4892 GM-25/KF 25 40 26.2 90 115 100 GM-40/KF 40 55 41.2 100 132 150 GM-50/KF 50 75 52.2 100 157 180 /

GM型高真空隔膜閥(圖三)焊接式連接及外形尺寸：

型號 通徑(DN) ΦD ΦW H L GM-10-H(Ⅰ) 10 19 55 75 150 GM-25H(Ⅰ) 25 32 90 115 200 GM-40H(Ⅰ) 40 45 100 132 240 GM-50H(Ⅰ) 50 57 100 157 240 GM-10H(Ⅱ) 10 9 55 75 150 GM-25H(Ⅱ) 25 19 90 115 200

注：Ⅰ型為兩端焊接；Ⅱ型為一端焊接，另一端插入