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Double Flap Valve

Ionfiltra’s Double Flap Valve (DFV) is a robust solution for managing free-flowing, abrasive materials in high-temperature environments. These valves are specifically designed for discharging bulk materials from hoppers and silos while maintaining an airlock. Their rugged construction makes them ideal for handling heavy-duty industrial applications.

Pneumatic
Motorized
Gravity

Product Specifications

Sizes

Available from 250 mm to 500 mm

Temperature Tolerance

Up to 900°C

Pressure Capacity

Capable of operating under negative pressures up to 0.1 bar

Capacity

Can handle between 8 and 48 liters per cycle

Key Features

  • Body and Flaps: Constructed from carbon steel, stainless steel, or hardened steel, ensuring durability even in the most abrasive conditions.
  • Seal Design: Features advanced live-loaded shaft seals, effectively minimizing air leakage, enhancing sealing efficiency, and significantly extending the operational life of the system.
  • Maintenance Features: The DFV offers easy access to front and rear covers, making it simple to inspect and maintain the valve without requiring extensive downtime.

Applications

The DFV is used for airlock discharge in high-temperature, abrasive material systems like those found in cement, mining, and metallurgical industries. It is also ideal for handling large particle size and heavy-duty applications.

Customization Options

We offer bespoke solutions tailored to your specific needs, whether for extreme temperatures, corrosive environments, or high-pressure systems. Our products can be customized with various sealing arrangements, actuation methods, and materials to meet your application’s unique requirements.

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