| 介质温度: | -30°~+150° |
| 工作压差: | 0.1Mpa |
| 材质: | 不锈钢 |
| 品牌: | 德美特 |
| 型号: | GDQ |
| 产品别名: | 真空插板阀 |
| 适用范围: | 真空设备 |
| 连接形式: | 法兰 |
| 类型(通道位置): | 直角式 |
| 流动方向: | 单向 |
| 驱动方式: | 气动 |
| 用途: | 截止 |
| 适用介质: | 水 |
| 压力环境: | 真空 |
| 规格: | GDQ-J320C(碳钢),GDQ-J320(304不锈钢),GDQ-J320(316不锈钢),GDQ-J320(316L不锈钢) |
| 形态: | 角式 |
| 标准: | GB6070 |
| 工作温度: | 真空 |
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| GD |
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GD型－高真空挡板阀 |
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GD型高真空挡板阀用于接通或切断真空管路中的气流。适用介质为纯净空气和非腐蚀性气体。高真空挡板阀按轴封结构可分GD-J型橡胶轴封和GD-J(b)型波纹管轴封两种。按通导形式可分GD-J为角通型式，GD-S为带预抽口的三通型式。 |
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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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主要技术性能
Main Technical Performance |
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| 适用范围：Applicability |
105～1.3&tiMES;10-4Pa(轴封为橡胶)
105～1.3×10-5Pa(轴封为波纹管) |
| 阀门漏率：Valve Leak Rate |
≤1.3&tiMES;10-4Pa.L/S.(轴封为橡胶)
≤1.3×10-5Pa.L/S.(轴封为波纹管) |
| 适用温度：Applicable Temperature |
-25～+80℃(丁腈橡胶)
-30～+150℃(氟橡胶) |
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主要零件材料
Materials of Main Parts |
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阀体、阀盖、阀杆：铝合金、碳钢或不锈钢
密封件：丁腈橡胶、氟橡胶、波纹管(轴封)。
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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外形及连接尺寸(mm)
Overall and Connection Dimensions(mm) |
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快卸法兰连接 |
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Model
型号
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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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法兰标准
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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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活套法兰连接 |
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Model
型号
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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预抽口
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法兰标准
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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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158
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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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