CI Series
Ultra-High Vacuum Butterfly Valve
CI Ultra-high vacuum butterfly valve is used to connect or cut off the airflow in vacuum pipeline.The disc completes the process of closing or the opening the valve through two actions.Both sides of the valve are provided with either forward or reverse installing directions.Its pressure intensity range can extend to 2X105~1.3x10-7Pa,The applicable media include clean air or non-corrosive gases.
Main Technical Performance
Vacuum Range:
2x105~6.7x10-7Pa
Valve Leak Rate:
≤1.3x10-7 Pa.L/S
Applicable Temperature :
-30~+150℃
Mounting state:
Any
Mounting Direction
Any
Differential Pressure at Opening
≤ 2x 105 Pa
Angle for Opening :
0~90°
Materials of Main Parts
Valve Body , disc and stem: stainless steel
Sealing element:: fluorine rubber,corrugated tube(shaft gland)