永嘉县三精阀门有限公司

■ GI型高真空蝶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。 ■ GI High Vacuum Butterfly Valve ■ GI high vacuum butterfly valve is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases. ■ 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) 　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