Cyclone Screener for Toxic Substances and APIs
When screening active pharmaceutical ingredients (APIs) and other toxic substances, it is not only important to ensure reliable screening, but also to maintain a process that is as closed as possible. The DA Vario Containment Cyclone Screener allows for operation, maintenance, and replacement work to be performed under containment conditions. This protects operators and the surrounding environment from contamination during these operations.
Replace the strainer basket without contaminating it
Film liners and crimp closures allow the contaminated screen basket to be replaced with a cleaned one under containment conditions. The contaminated area remains shielded from the operator and the surrounding environment. This reduces the risk of contamination during the screen basket change and facilitates the safe handling of toxic residues.
Check the screen basket thoroughly and replace the metering screw
Inspection of the screen basket is also performed under containment: The inspection hatch can be opened via integrated gloves to inspect the screen basket. The dosing screw can also be replaced from inside the liner. This allows necessary maintenance and inspection work to be performed without having to remove the containment for these steps.
Flexible Performance Thanks to an Interchangeable Dosing Unit
Interchangeable dosing modules allow for a wide range of dosing and capacity requirements. The entire module—consisting of the drive, dosing screw, product inlet, and discharge carriage—can be replaced on a slide rail. This allows the screening machine to be adapted to different capacity requirements without changing the basic machine design. The self-dosing mechanism also eliminates the need for an additional dosing unit and enables a compact overall height.
Cleaning and Handling of Bulk Materials in a Contained Environment
The coarse material container, connected via split-valve technology, allows for the disposal or recirculation of screened-out coarse material under containment conditions. For wet cleaning, the container can be replaced with a cleaning module featuring a cleaning head and a drainage connection. This allows both cleaning and coarse material handling to be integrated into the closed process. The chrome-nickel steel construction and suitability for CIP cleaning support hygienic process operation.
