■GIQ type – pneumatic high vacuum butterfly valve
■GIQ type pneumatic high vacuum butterfly valve changes the direction of the air path through an electromagnetic reversing valve, and controls the execution cylinder to drive the butterfly valve to open and close. Used to connect or cut off the air flow in the vacuum pipeline. Applicable media are pure air and non-corrosive gases. Optional feedback signal device and electrical valve positioner are available.
■Main technical performance
Scope of application: 105~1.3×10-4Pa
Valve leakage rate ≤1.3×10-4Pa.L/S.
Applicable temperature -25~+80℃ (nitrile rubber)
-30~+150℃(fluorine rubber)
Air source pressure 0.4~0.6MPa
Installation direction: any
■Main parts materials
■ Valve body, valve cover, valve stem: carbon steel or stainless steel
Seals: nitrile rubber, fluorine rubber.
■ Outline and connection dimensions (mm) (JB919)