Specification parameters
The main parameters of the pneumatic butterfly valve are as follows.
- Nominal Diameter: DN 40 to DN 1400 mm.
- Valve Body Material: gray cast iron, ductile iron, carbon steel, and stainless steel.
- Applicable Temperature: from -20℃ to 100℃.
- Rotation Angle: 90° ± 3°.
- Control Method: pneumatic, worm gear, electric, and electro-hydraulic linkage.
- Pneumatic Accessories: These include solenoid valves, air filters, positioners, and signal switches, which enhance the performance and control accuracy .
- Functional Purposes: It is mainly used for on/off control, proportional regulation, and emergency shut-off, making it suitable for a variety of industrial applications.
- Applicable Media: liquids, gases, and powders.
- Disc Material: QT 450, WCB, 304, and 316 L.
- Nominal Pressure: 0.1 MPa to 2.5 MPa.
What are the advantages of the pneumatic butterfly valve ?
- Rapid Response
It uses a pneumatic actuator to control the opening and closing of the valve, allowing for quick response and enabling rapid changes in fluid flow.
- Space Savings
The pneumatic butterfly valve has a relatively small size and compact structure, saving installation space, making it easier to install and maintain in confined areas.
- Low Pressure Loss
The internal structure is simple, with relatively straight internal flow paths, resulting in lower resistance when fluid passes through, thus reducing pressure loss in the piping system.
- Strong Corrosion Resistance
Drako typically makes the valve body and seat from corrosion-resistant materials. These materials include stainless steel, duplex steel, and aluminum bronze. They provide high resistance to corrosive media.
- Good Adjustability
It allows for adjustment of the valve opening. This is done by regulating the pressure of the air supply. It offers a wide adjustment range and high precision. This capability meets various flow control requirements.
