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Pneumatic Butterfly Valve

Pneumatic flange butterfly valve is composed of single-acting or double-acting pneumatic piston actuator and butterfly valve. Powered by compressed air,

  Pneumatic flange butterfly valve is composed of single-acting or double-acting pneumatic piston actuator and butterfly valve. Powered by compressed air,

  The valve stem drives the valve core to rotate 90 ° in the valve body to realize the fully open and fully closed action. The actuator can also be equipped with a stroke limit

  Position switch, solenoid valve and air source triple. Pneumatic butterfly valves are not only used in general industries such as oil, gas, chemical, water treatment, etc.

  Is widely used in the industry, but also used in the cooling water system of thermal power stations.

  The main technical parameters:

  Power source: dry or lubricated air, non-corrosive gas, oil, impurity particles in the medium <30μm;

  Air source pressure: minimum air source pressure 2.5Bar, maximum air source pressure 10Bar;

  Drive mode: pneumatic, manual

  Working temperature: -20 ℃ ~ + 80 ℃; -40 ℃ ~ + 180 ℃;

  Air supply pressure: 0.4-0.7MPa;

  Single-acting actuator: air-closed type-valve position open (FO) when degassed; air-opened type-valve position close (FC) when degassed

  Double-acting actuator: ventilation is required for both opening and closing, and the lost gas valve remains in place.

  Nominal pressure: PN6, 10, 16, 25, 40bar

  Protection grade: IP55, IP65, IP67

  Valve body material: cast iron, carbon steel, stainless steel

  Sealing surface material: nitrile rubber (X), polytetrafluoroethylene (F), fully lined polytetrafluoroethylene (F46), metal hard seal (H), hard alloy (Y)

  Can be equipped with accessories: solenoid valve, air source triplet, limit switch, positioner, handwheel


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