GU型－高真空球閥 ■ GU型高真空(壓力)球閥用于接通或切斷真空(壓力)系統管路中的介質流。應用于真空、乳制品、酒業、生物工程、食品、制藥、飲料、化妝品及化工領域。 ■ GU High Vacuum(Pressure)Ball Valve ■ GU high vacuum(pressure)ball valve is used to put through or cut off the medium flow in vacuum(pressure)pipeline in the areas of vacuum, dairy products, breweries, biological engineering, foodstuff, pharmaceuticals, drinks, cosmetics and chemicals. ■ 主要技術性能 Main Technical Performance ■ ■ ■ 　閥門漏率：Valve Leak Rate 　≤1.3×10-4Pa.L/S. 　適用溫度：Applicable Temperature 　-30～+150℃ 　-30～+150℃(PPL密封) 　適用范圍：Appy Range 　連接型式　Loose Flange 　使用壓力范圍(Pa) 　活套法蘭(GB6070、JB919) 　0.6×106～1.3×10-4 　焊接法蘭(GB6070、JB919) 　1.6×106～1.3×10-4 　快卸法蘭(GB4982) 　0.1×106～1.3×10-4 　螺紋連接　Threaded Connection 　1.6×106～1.3×10-4 ■ 主要零件材料 Materials of Main Parts ■ ■ 閥體、閥蓋、閥桿：不銹鋼 密封件：四氟乙烯、丁腈橡膠、氟橡膠、PPL。 Body, disc and stem: stainless steel. Sealing element: PTFE, NBR, Viton, PPL. CONSTRUCTION FIGHTS (mm) ■ 外形及連接尺寸(mm)(JB919) Overall and Connection Dimensions(mm) ■ 螺紋連接的外形及連接尺寸(圖一) Model 型號 DN G H E L GU-10(G) 10 1/4¨ 52 105 68 GU-16(G) 16 1/2¨ 64 130 72 GU-20(G) 20 3/4¨ 67 130 82 GU-25(G) 25 1¨ 83 165 90 GU-32(G) 32 1-1/4¨ 89 165 112 GU-40(G) 40 1-1/2¨ 100 190 120 GU-50(G) 50 2¨ 125 190 145 GU-63(G) 63 2-1/2¨ 150 250 185 GU-80(G) 80 3¨ 161 250 210 GU-100(G) 100 4¨ 180 280 268 ■ 活套法蘭連接(GB6070)(圖二) Model 型號 DN D Do H E L n-φc GU-10(F) 10 55 40 52 105 84 4-φ6.6 GU-16(F) 16 60 45 64 130 84 4-φ6.6 GU-25(F) 25 70 55 83 165 114 4-φ6.6 GU-32(F) 32 90 70 89 165 140 4-φ9 GU-40(F) 40 100 80 100 190 160 4-φ9 GU-50(F) 50 110 90 125 190 170 4-φ9 GU-63(F) 63 130 110 150 250 195 4-φ9 GU-80(F) 80 145 125 161 250 220 8-φ9 GU-100(F) 100 165 145 180 280 280 8-φ9 ■ 快卸法蘭連接(GB4982)(圖三) Model 型號 DN D1 D H E L GU-10(KF) 10 12.2 30 52 105 84 GU-16(KF) 16 17.2 30 64 130 84 GU-25(KF) 25 26.2 40 83 165 114 GU-32(KF) 32 34.2 55 89 165 140 GU-40(KF) 40 41.2 55 100 190 160 GU-50(KF) 50 52.2 75 125 190 170