| Media: | Water,Gas,Oil etc |
|---|---|
| Driving Mode: | Pneumatic |
| Connection Form: | Flange |
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Introduction:
The D643H Pneumatic Hard Seal Butterfly Valve is widely used in industries such as petroleum, chemicals, power, metallurgy, food, pharmaceuticals, textiles, and papermaking. It can be installed in industrial pipelines with temperatures below 425°C, and is suitable for media such as coal gas, air, steam, water, seawater, and oil for regulating flow and cutting off the media.
The valve offers various driving modes including manual, worm gear drive, pneumatic, hydraulic, electric, and electro-hydraulic actuators, enabling long-distance control and automation operations. This metal hard seal butterfly valve series is a long-life, energy-efficient valve. The structure is designed using a three-dimensional centering principle, with the valve seat featuring a multi-layer structure compatible with both hard and soft seals. The manufacturing process is exquisite, and the technology is advanced. The product consists of major components such as the valve body, butterfly plate, multi-layer valve seat, valve stem, and transmission mechanism.
Therefore, it is widely applied in pipelines handling corrosive media such as metallurgy, power, petroleum, chemicals, air, coal gas, combustible gases, and water supply and drainage systems.
| Size | DN15 - DN2000 (1/2″ - 80″) |
| Pressure | PN6 - PN25 (Class 150 - Class 300) |
| Temperature | -40°C to +200°C |
| Material | Carbon Steel, Stainless Steel, Cast Iron, etc. |
| Media | Water, Steam, Oil, Gas, Corrosive Media, etc. |
| Operation | Handle, Gear, Electric, Pneumatic |
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