■ 美国进口真空蝶阀

 美国力沃LEO气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。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。可选配反馈信号装置及电气阀门。

■ GIQ

Pneumatic High Vacuum Butterfly Valve

■ GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the butterfly valve opened and closed. It is used to put through or cut off the airflow in vacuum pileline. Applicable medium can be pure air and noncorrosive gases. They may be fitted with signal feedback device and electropneumatic valve positioner. 

■ 主要技术性能

Main Technical Performance

■适用范围：Applicability 　105～1.3×10-4Pa

阀门漏率：Valve Leak Rate 　≤1.3×10-4Pa.L/S.

适用温度：Applicable Temperature 　-25～+80℃(丁腈橡胶)

-30～+150℃(氟橡胶)

气源压力：Mains Voltage 　0.4～0.6MPa

安装方向：Mounting Direction 　任意

■ 主要零件材料

Materials of Main Parts

■ 阀体、阀盖、阀杆：碳钢或不锈钢

密封件：丁腈橡胶、氟橡胶。

Body, bonnet and stem: carbon steel or stainless steel

Sealing element: NBR, Viton