■GU型－高真空（压力）球阀 ■GU型高真空（压力）球阀用于接通或切断真空（压力）系统管路中的介质流。应用于真空、乳制品、酒业、生物工程、食品、制药、饮料、化妆品及化工领域。 ■GUHigh Vacuum（Pressure）Ball Valve ■GU high vacuum（pressure）ball valve is used to put through or cut off the medium flow in vacuum（pressure）pipeline in the areas of vacuum, dairy products, breweries, biological engineering, foodstuff, pharmaceuticals, drinks, cosmetics and chemicals. ■主要技术性能Main Technical Performance