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上海吉邁閥門制造有限公司主要生產(chǎn)≦GD型高真空擋板閥≧也是國內(nèi)真空閥門生產(chǎn)商之一。公司經(jīng)營范圍:閥門,管件,流體設(shè)備的生產(chǎn)，加工，銷售，管道配件，建筑材料，五金交電，自控設(shè)備的銷售，從事貨物及技術(shù)的進出口業(yè)務(wù)！歡迎新老客戶來電，來函，我們將竭誠為您提供滿意的服務(wù)！
GD型－高真空擋板閥
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GD型高真空擋板閥用于接通或切斷真空管路中的氣流。適用介質(zhì)為純凈空氣和非腐蝕性氣體。高真空擋板閥按軸封結(jié)構(gòu)可分GD-J型橡膠軸封和GD-J(b)型波紋管軸封兩種。按通導形式可分GD-J為角通型式，GD-S為帶預抽口的三通型式。
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GD
High Vacuum Flapper Valve
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GD high vacuum flapper valve 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.
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主要技術(shù)性能
Main Technical Performance
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適用范圍：Applicability
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105～1.3×10-4Pa(軸封為橡膠)
105～1.3×10-5Pa(軸封為波紋管)
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閥門漏率：Valve Leak Rate
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≤1.3×10-4Pa.L/S.(軸封為橡膠)
≤1.3×10-5Pa.L/S.(軸封為波紋管)
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適用溫度：Applicable Temperature
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-25～+80℃(丁腈橡膠)
-30～+150℃(氟橡膠)
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主要零件材料
Materials of Main Parts
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閥體、閥蓋、閥桿：鋁合金、碳鋼或不銹鋼
密封件：丁腈橡膠、氟橡膠、波紋管(軸封)。
Body, bonnet and stem: aluminium alloy, carbon steel or stainless steel
Sealing element: NBR, Viton, bellows(shaft seal)
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CONSTRUCTION FIGHTS(mm)
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外形及連接尺寸(mm)
Overall and Connection Dimensions(mm)
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快卸法蘭連接
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Model
型號
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DN
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D1
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D
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A
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H
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P
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法蘭標準
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GD-J10(b)
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10
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12.2
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30
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40
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124.5
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60
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GB4982
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GD-J16(b)
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16
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17.2
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30
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40
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124.5
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60
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GD-J25(b)
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25
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26.2
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40
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50
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134.5
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78
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GD-J32(b)
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32
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34.2
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55
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58
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153
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78
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GD-J40(b)
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40
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41.2
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55
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65
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160.5
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78
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GD-J50(b)
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50
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52.2
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75
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70
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203
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78
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活套法蘭連接
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Model
型號
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DN
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D1
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Do
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D2
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A
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P
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H
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n-φc
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Dny預抽口
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法蘭標準
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GD-J50
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50
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110
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90
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55
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70
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78
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203
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4-φ9
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GB6070
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GD-J63
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63
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130
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110
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68
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88
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160
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380
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4-φ9
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GD-J80
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80
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145
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125
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85
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98
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160
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400
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8-φ9
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GD-J100
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100
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165
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145
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105
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108
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160
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420
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8-φ9
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GD-J(S)160
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160
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225
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200
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165
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158
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160
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575
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8-φ11
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DN40 GB4982
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GD-J(S)200
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200
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285
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260
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208
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200
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160
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655
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12-φ11
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DN50 GB6070
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GD-J(S)250
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250
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335
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310
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258
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208
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250
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690
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12-φ11
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DN63 GB6070
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GD-J(S)320
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320
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425
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395
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328
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250
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250
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785
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12-φ14
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DN80 GB6070
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GD-J(S)150
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150
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220
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195
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156
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138
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160
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575
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8-φ12
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DN40 GB4982
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JB919
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GD-J(S)300
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300
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380
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350
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308
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250
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250
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785
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8-φ14
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DN80 GB6070
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JB919
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訂貨提供產(chǎn)品參數(shù)：GD型高真空擋板閥
①產(chǎn)品使用介質(zhì)
②產(chǎn)品工作溫度
③產(chǎn)品連接方式
④產(chǎn)品使用壓力
⑤產(chǎn)品是否帶附件以便我們選型報價
⑥若已經(jīng)由設(shè)計單位選定產(chǎn)品型號，請按產(chǎn)品型號直接向我司銷售部訂購。
⑦當使用的場合非常重要或環(huán)境比較復雜時,請您盡量提供設(shè)計圖紙和詳細參數(shù)，由我們上海吉邁閥門專家為您審核把關(guān)。
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