GI series high vacuum butterfly valve is used to connect or cut off the air flow in the vacuum pipe. The opening and closing of the valve has the locking function.
The applicable working medium is air and non corrosive gas.
|| 105 ~1.3×10-6
|Valve leak rate（Pa.L/S)
|| -25~+80（sealing material is NBR）
| -30~+150（sealing material is fluororubber）
|Material of main parts of valve
||Stainless steel or carbon steel