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.
Main Technical Performance
Vacuum Range:
105~6.7x10-5Pa
Valve Leak Rate:
≤1.3x10-5 Pa.L/S(正反向)
Applicable Temperature :
-30~+80℃
Mounting state:
Any
Opening Angle :
0-90°
Materials of Main Parts
Body , bonnet and stem: carbon steel or stainless steel
Sealing element: NBR, Viton