ROTARY VALVE
Precise Dosing and Efficient Sealing for Bulk Solid Materials
The Haco Rotary Valve is designed for controlled dispensing and ensuring the tightness of bulk solid materials in industrial processes. Its robust and versatile design allows for application in various industries, ensuring efficiency and reliability in material handling.
High-Performance Engineering
Cast or Sheet Metal Construction: Available in cast versions (cast iron, stainless steel, Hardox, SAC 50) and sheet metal, adapting to the specific needs of each application;
Precision Rotor: Equipped with multi-vane rotors that rotate within a cylindrical housing, providing precise volumetric dosing and effective sealing between different pressure zones;
Efficient Sealing: Minimal clearances between the rotor and the housing ensure tightness, essential for systems operating under differential pressure, such as in pneumatic conveying;
Flexible Drive: Can be driven by fixed or variable speed geared motors, allowing fine adjustment of the feed rate according to process demand.
Available Versions
Standard Rotary Valve: Ideal for general dispensing and sealing applications;
High-Pressure Rotary Valve: Designed to withstand higher pressure differentials, common in pneumatic conveying systems;
Easy-Clean Rotary Valve: Facilitates maintenance and cleaning, essential in processes that require high hygiene standards;
Rotary Valve with Special Coatings: Available with internal coatings such as nickel, chrome or Teflon®, increasing resistance to abrasion and corrosion;
Versions with open rotor or closed rotor, depending on the characteristics of the transported material and the requirements for leak tightness or free flow.
Additional Technical Resources
Advanced sealing systems with air seals or high-performance gaskets;
Integrated speed, position, and temperature sensors for real-time monitoring;
Compliance with ATEX standards for explosive atmospheres;
Full customization of dimensions, materials, and configurations according to the process.
Typical Applications
Food Industry: Dosing of grains, sugar, flour and ingredients in general;
Chemical Industry: Handling of powders, pigments, and compounds with precise flow control;
Cement and Mining Industry: Feeding of clinker, limestone and mineral additives;
Pulp and Paper Industry: Fiber and fines control in the continuous production process.
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