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.
主要技術性能 Main Technical Performance
適用范圍:Applicability 105~1.3×10-4Pa 閥門漏率:Valve Leak Rate ≤1.3×10-4Pa.L/S. 適用溫度:Applicable Temperature -25~+80℃(丁腈橡膠) ;-30~+150℃(氟橡膠) 安裝方向:Mounting Direction 任意
主要零件材料 Materials of Main Parts
閥體、閥蓋、閥桿:碳鋼或不銹鋼 Body, bonnet and stem: carbon steel or stainless steel 密封件:丁腈橡膠、氟橡膠。Sealing element: NBR, Viton
外形及連接尺寸(mm)(JB919) Overall and Connection Dimensions