Videos on Handling & Processing of Powder & Bulk Solids
Since their conception decades ago, the Vortex® Orifice Gate™ and the Vortex® Roller Gate™ have been two of Vortex’s most popular solutions for handling dry bulk solid materials. By their simplest definitions, both the Orifice Gate and the Roller Gate are slide gates.
However, the application benefits for each gate can be quite different.
Alterations can be made to both the Orifice Gate and Roller Gate to build custom gate sizes. This can impact the blade’s travel distance, stack-up height, and many other variables of gate construction. Consult Vortex’s application team to discuss modifications that may/may not be made to accommodate your installation requirements.
The Roller Gate should only be used in gravity flow applications. If a system has pneumatic processes or differential air pressures within the system at any point, often times, a Roller Gate should not be considered as an option.
Depending on gate size, the Orifice Gate is designed to seal against pressures up to 15 psig (1 barg). It can be used in both positive pressure and vacuum systems (dilute or lean phase).
The Orifice Gate features a rectangular sliding blade with a machined hole that “shears” through the material flow stream.
The Roller Gate has a full rectangular sliding blade that glides in and out of the material flow stream.
shown on Powder Bulk Videos:
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