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      2. 科本真空閥門

        KEBEN vacuum valves

        真空閥門

        GD-J/S型高真空檔板閥

        J/S型高真空檔板閥

        GD-J/S型高真空檔板閥 GD High Vacuum Flapper Valve

        GD型高真空擋板閥用于接通或切斷真空管路中的氣流。GD-J/S型高真空檔板閥適用介質為純凈空氣和非腐蝕性氣體。高真空檔板閥按軸封結構可分GD-J型橡膠軸封高真空檔板閥和GD-J(b)型波紋管軸封高真空檔板閥兩種。高真空檔板閥按通導形式可分GD-J為角通型式高真空檔板閥,GD-S為帶預抽口的三通型式高真空檔板閥。

        GD high vacuum flapper valves is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases. According to its shaft seal structure, high vacuum flapper valve is classified into GD-J rubber shaft seal type and GD-J(b)bellows shaft seal type. According to its put-through type, it is classified into GD-J angle type and GD-S three-way type with prepumping.

        主要技術性能 Main Technical Performance 

        適用范圍:Applicability  105~1.3×10-4Pa(軸封為橡膠) ; 105~1.3×10-5Pa(軸封為波紋管)
        閥門漏率:Valve Leak Rate  ≤1.3×10-4Pa.L/S.(軸封為橡膠) ; ≤1.3×10-5Pa.L/S.(軸封為波紋管)
        適用溫度:Applicable Temperature  -25~+80℃(丁腈橡膠) ; -30~+150℃(氟橡膠)

        主要零件材料 Materials of Main Parts

        閥體、閥蓋、閥桿:鋁合金、碳鋼或不銹鋼Body, bonnet and stem: aluminium alloy, carbon steel or stainless steel

        密封件:丁腈橡膠、氟橡膠、波紋管(軸封)。Sealing element: NBR, Viton, bellows(shaft seal)

        外形及連接尺寸(mm) Overall and Connection Dimensions

         

        快卸法蘭連接

        Model
        型號
        DN D1 D A H P 法蘭標準
        GD-J10(b) 10 12.2 30 40 124.5 60 GB4982
        GD-J16(b) 16 17.2 30 40 124.5 60
        GD-J25(b) 25 26.2 40 50 134.5 78
        GD-J32(b) 32 34.2 55 58 153 78
        GD-J40(b) 40 41.2 55 65 160.5 78
        GD-J50(b) 50 52.2 75 70 203 78

        活套法蘭連接

        Model
        型號
        DN D1 Do D2 A P H n-φc Dny預抽口 法蘭標準
        GD-J50 50 110 90 55 70 78 203 4-φ9
         
        GB6070
        GD-J63 63 130 110 68 88 160 380 4-φ9
         
        GD-J80 80 145 125 85 98 160 400 8-φ9
         
        GD-J100 100 165 145 105 108 160 420 8-φ9
         
        GD-J(S)160 160 225 200 165 158 160 575 8-φ11 DN40 GB4982
        GD-J(S)200 200 285 260 208 200 160 655 12-φ11 DN50 GB6070
        GD-J(S)250 250 335 310 258 208 250 690 12-φ11 DN63 GB6070
        GD-J(S)320 320 425 395 328 250 250 785 12-φ14 DN80 GB6070
        GD-J(S)150 150 220 195 156 158 160 575 8-φ12 DN40 GB4982 JB919
        GD-J(S)300 300 380 350 308 250 250 785 8-φ14 DN80 GB6070 JB919

         

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