... Taiwan Airtac and Japan SMC parts.Argon adjustment: Japan TO-760 argon vacuum adjusting valveGerman Leybold 5-channel ... functions:Automatic tube loading, baking, electrolyzing, vacuumizing, argon filling, mercury filling, automatic tube unloading.Computerized control ... special rating device and PC control ensuring stable argon filling; argon working pressure display on vacuum gauge.Leak detection ...