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GI型高真空蝶閥主要技術性能 適用范圍(Pa) 105～1.3x10-5 閥門漏率(Pa.L/S) ≤1.3x10-6 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） 氣源壓力（MPa） 0.4～0.8 法蘭標準 JB919 安裝位置 任意

GI型高真空蝶閥連接及外形尺寸 型號 通徑(DN) ΦD ΦB H A L n-ΦC GI-25 25 70 55 65 22 105 4-Φ7 GI-32 32 78 64 70 22 105 4-Φ7 GI-40 40 85 70 75 22 116 4-Φ7 GI-50 50 110 90 90 22 116 4-Φ9 GI-63 63 130 110 100 26 132 4-Φ9 GI-80 80 145 130 110 30 154 4-Φ9 GI-100 100 170 145 120 30 154 4-Φ12 GI-125 125 195 170 140 35 197 4-Φ12 GI-150 150 220 195 155 35 197 8-Φ12 GI-200 200 275 250 190 40 242 8-Φ12 GI-250 250 330 300 225 45 330 8-Φ12 GI-300 300 380 350 245 55 330 8-Φ14 GI-400 400 500 465 409 60 420 8-Φ18

注：GI-63法蘭連接為GB/T6070標準