所属类别：真空阀 GDQ ■ GDQ型－气动高真空挡板阀 ■ GDQ型气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。用于接通或切断真空管路中的气流。适用介质为净空气和非腐蚀性气体。 带反馈信号装置。 ■ GDQ Pneumatic High Vacuum Flapper Valve ■ GDQ pneumatic high vacuum flapper valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed. It is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases. With signal feedback device. ■ 主要技术性能 Main Technical Performance ■ ■ ■ 　适用范围：Applicability 　105～1.3×10-4Pa(轴封为橡胶) 　105～1.3×10-5Pa(轴封为波纹管) 　阀门漏率：Valve Leak Rate 　≤1.3×10-4Pa.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) 　气源压力：Annoy pressure 　0.4～0.6MPa ■ 主要零件材料 Materials of Main Parts ■ ■ 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) CONSTRUCTION FIGHTS(mm) ■ 外形及连接尺寸(mm) Overall and Connection Dimensions(mm) ■ 快卸法兰连接 Model 型号 DN D1 D A H B W 法兰标准 GDQ-J10(b) 10 12.2 30 30 120 52 40 GB4982 GDQ-J16(b) 16 17.2 30 40 140 58 40 GDQ-J25(b) 25 26.2 40 50 150 58 40 GDQ-J32(b) 32 34.2 55 58 158 58 40 GDQ-J40(b) 40 41.2 55 65 183 75 50 GDQ-J50(b) 50 52.2 75 70 190 75 50 ■ 活套法兰连接 Model 型号 DN D Do D2 A P H n-φc DNy预抽口 法兰标准 GDQ-J50 50 110 90 55 70 95 278 4-φ9 GB6070 GDQ-J63 63 130 110 68 88 108 360 4-φ9 GDQ-J80 80 145 125 85 98 133 379 8-φ9 GDQ-J100 100 165 145 105 108 159 394 8-φ9 GDQ-J(S)160 160 225 200 165 158 240 555 8-φ11 DN40 GB4982 GDQ-J(S)200 200 285 260 208 200 280 623 12-φ11 DN50 GB6070 GDQ-J(S)250 250 335 310 258 208 350 663 12-φ11 DN63 GB6070 GDQ-J(S)320 320 425 395 328 250 425 832 12-φ14 DN80 GB6070 GDQ-J(S)400 400 510 480 410 330 530 1120 16-φ