Pneumatic High Vacuum Butterfly Valves: Overview & Technical Parameters

The Pneumatic High Vacuum Butterfly Valve is suitable for connecting or cutting off medium flow in high vacuum systems. The valve uses compressed air as power, changes the direction of the air circuit through a solenoid directional valve, and is driven by an actuating cylinder to rotate the valve disc fixed on the rotating shaft by 90° to realize the opening and closing of the valve. The main applicable working media are air and non-corrosive gases.

Technical Parameters of Pneumatic High Vacuum Butterfly Valve

• Nominal Diameter: DN25-DN800

• Applicable Range (Pa): 10⁵~1.3×10⁻⁶

• Valve Leak Rate (Pa·L/S): ≤1.3×10⁻⁷

• Applicable Temperature: -25℃~80℃ (Nitrile Rubber); -30℃~150℃ (Fluororubber)

• Valve Body Material: Stainless Steel or Carbon Steel

• Installation Position: Arbitrary

• Air Source Pressure (MPa): 0.4-0.8

• Power Supply Voltage: Standard: AC220V/50Hz; Special: AC110V/DC24V/DC12V, etc.

• Signal Feedback: Standard: Without Feedback Signal; Special: Magnetic Switch DC/AC5-240V