Material: Ductile iron, stainless steel (304, 316), or carbon steel.
Size Range: DN80 to DN1000
Connection Options: Flanged connections
Working Pressure: PN10, PN16, and PN25.
Sealing Options: Soft seals
Manufacturing Method: Casting or Forging
Applicable Medium: Suitable for water, air, oil
The Pneumatic Flanged Butterfly Valve is a high-performance valve designed for efficient flow control in industrial applications. Equipped with a pneumatic actuator, it allows for rapid and precise operation, making it ideal for automation systems. The flanged connection provides secure and leak-proof installation, suitable for handling various fluids, gases, and semi-solids.
Quick Operation: Butterfly valves can be opened or closed quickly, often using a lever or actuator, allowing efficient flow control. This is particularly beneficial in industries like HVAC systems, fire protection systems, and chemical processing, where rapid flow adjustments are essential.
Low-Pressure Drop: The streamlined disc design ensures minimal resistance to flow, reducing pressure drop across the valve.
Compact and Lightweight: Butterfly valves are smaller and lighter compared to other types of valves, making them easy to install and maintain.
Versatile Connection Options: Available in wafer, lug, flanged, double flanged, and grooved connections to accommodate a wide range of piping configurations.
Resilient or Metal Seat Options: Offers both soft seats (e.g., EPDM, PTFE) for low-pressure applications and metal seats for higher temperatures and pressures.
Manual or Actuated Operation: Can be operated manually using a lever or automated with electric, pneumatic, or hydraulic actuators.
| DN (mm) | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Flow Coefficient (Kv) | 155 | 245 | 495 | 827 | 1350 | 1808 | 2583 | 3359 | 4220 | 5170 | 7924 | 10250 | 12920 | 17130 | 20910 |
| Parameter | Value |
|---|---|
| Nominal Pressure (MPa) | 0.6, 1.0, 1.6, 2.5 (150Lb, 300Lb) |
| Opening Angle | Regulating type: 70° On/Off type: 90° |
| Signal Pressure (KPa) | 20 – 100 |
| Flow Characteristics | Approximately equal percentage |
| Medium Temperature (°C) | –40°C to 450°C |
| Connection Type | Wafer type or flange type |
| Valve Opening Method | Double eccentric rotary |
| Actuator Type | ZSS piston actuator |
| Body Material | WCB, 1Cr18Ni9, ZG0Cr18Ni12Mo2Ti |
| Disc Material | WCB, 1Cr18Ni9, ZG0Cr18Ni12Mo2Ti |
Kv values in the table correspond to 70° opening.
When opened to 90°, the Kv value is approximately 1.5 times that of 70°.
Industries
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