■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***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。适用介质为纯净空气和非腐蚀性气体。带反馈信号装置。■GDQPneumaticHighVacuumFlapperValve■GDQpneumatichighvacuumflappervalveusessolenoiddirectionalvalvetochangethedirectionofairpassage,andcontrolstheactuatingcylindertodrivethevalveopenedandclosed.Itisusedtoputthroughorcutofftheairflowinvacuumpipeline.Applicablemediumcanbepureairandnoncorrosivegases.Withsignalfeedbackdevice.■主要技术性能MainTechnicalPerformance■■■适用范围：Applicability105～1.3×10-4Pa(轴封为橡胶)105～1.3×10-5Pa(轴封为波纹管)阀门漏率：ValveLeakRate≤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：ApplicableTemperature-25～+80℃(***橡胶)-30～+150℃(氟橡胶)气源压力：Annoypressure0.4～0.6MPa■主要零件材料MaterialsofMainParts■■阀体、阀盖、阀杆：铝合金、碳钢或不锈钢密封件：***橡胶、氟橡胶、波纹管(轴封)。Body,bonnetandstem:aluminiumalloy,carbonsteelorstainlesssteelSealingelement:NBR,Viton,bellows(shaftseal))