GDQ系列气动高真空挡板阀GDQ系列气动高真空挡板阀用于接通或切断真空管路中的气流，以压缩空气为动力，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；GDQ-J型为角通型式，GDQ-S型为带预抽口的三通型式。适用的工作介质为纯净空气和非腐蚀性气体。气动高真空挡板阀主要零件材料：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)。气动高真空挡板阀主要技术性能：适用范围(Pa)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(Pa.L/S)≤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（℃）-25～+80℃(丁腈橡胶)-30～+150℃(氟橡胶)气源压力（MPa）0.4～0.6MPa安装位置任意法兰标准GB4982GB6070JB919气动高真空挡板阀外形及连接尺寸：快卸法兰连接：型号DND1DAHBW法兰标准GDQ-J10(b)1012.230301205240GB4982GDQ-J16(b)1617.230401405840GDQ-J25(b)2526.240501505840GDQ-J32(b)3234.255581585840GDQ-J40(b)4041.255651837550GDQ-J50(b)5052.275701907550活套法兰连接：型号DNDDoD2APHn-φcDNy预抽口法兰标准GDQ-J5050110905570952784-φ9GB6070GDQ-J636313011068881083604-φ9GDQ-J808014512585981333798-φ9GDQ-J1001001651451051081593948-φ9GDQ-J(S)1601602252001651582405558-φ11DN40GB4982GDQ-J(S)20020028526020820028062312-φ11DN50GB6070GDQ-J(S)25025033531025820835066312-φ11DN63GB6070GDQ-J(S)32032042539532825042583212-φ14DN80GB6070GDQ-J(S)400400510480410330530112016-φ14DN100GB6070GDQ-J(S)500500610580510360630103616-φ14DN125GB6070GDQ-J(S)630630750720642450750141520-φ14DN160GB6070GDQ-J(S)800800920880815530920185024-φ14DN200GB6070GDQ-J(S)1501502201951561581605558-φ12DN40GB4982JB919GDQ-J(S)3003003803503082502508328-φ14DN80GB6070GDQ-J(S)600600710670610450750