VDA Series The MILTON ROY HELISEM Series agitators feature a standardized modular heavy-duty design, delivering high energy efficiency, robust durability, and specialized optimization for water treatment processes including chemical dissolution, mixing/coagulation, suspension, crystallization/precipitation, and flocculation. Engineered as the preferred equipment for global water treatment applications such as Veolia's systems, this series integrates advanced hydrodynamic performance with industry-proven reliability.
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| The helical propeller-type impeller blade is the most economical choice for small-volume agitation. It is applicable to scenarios involving solids, mixtures, and emulsions, generating moderate turbulence. Such impellers are typically small in diameter and often operate at high rotational speeds. |  |
Installation Positioning
● Impeller Positioning: For VDA/VRG series, the impeller is typically positioned in the lower third of the liquid level. In containers with constant liquid levels, the impeller may be installed at the midpoint of the liquid column. For VRP series, the distance between the impeller and the container bottom must exceed 0.75 times the impeller diameter.
● Agitator Installation: Optimal placement is at the container’s center. For cylindrical containers, baffles matching the number of impeller blades must be installed on the container walls. If baffles cannot contact the container wall directly, a gap of 2% of the container diameter is recommended. Baffle width should be 8% of the container diameter, with height equal to the liquid level. For VDA/VRG series in cylindrical containers, eccentric installation (without baffles) is permissible. The recommended eccentricity is one-third of the container diameter, with minimum impeller-to-wall clearances of VDA≥100mm and VRG≥200mm.
Agitator Selection
To facilitate model/material selection, please provide:
① Application scenario;
② Container dimensions;
③ Medium pH value and chloride (Cl-) content.
Our engineering team will complete the technical specifications accordingly.
Dissolution and Preparation Process of Water Treatment Chemicals
Company Office Number0532-87876566
Factory address青島市城陽區鐵騎山路379號
Company emailpacfte@163.com
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