Process Solutions

Flow Sciences' team of design engineers developed a custom enclosure out of polypropylene, stainless steel, acrylic, and tempered glass to accommodate other equipment manufacturers (OEM) process equipment. Their exceptional quality and high levels of containment span:

• Blending
• Milling and Granulation
• Roller Compaction
• Actives and Expedients
• Drying
• Compression
• Tableting
• Tablet Coating
• Tablet Pollishing

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Top Mount Bulk Powder/Chemical Transfer Stations

The HEPA filtration system of the Top Mount Bulk Powder/Chemical Transfer Stations is housed on top of the acrylic enclosure. This filtering configuration provides maximum containment while minimizing space and energy demands. The turbulence free airflow provides a stable working environment that prevents balance fluctuations. The base of the unit is roomy enough for larger balances and comes with a standard 20" diameter cutout in the base to accommodate a large drum. Multiple filtering options are available including HEPA with 99.99% efficiency.

Each system comes equipped with a face velocity alarm to continuously monitor airflow.

Drum accessories, tables and carts are also available.

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Bag In/Bag Out Top Mount Bulk Powder

Flow Sciences’ Top Mount Bulk Powder with Bag-in / Bag-out Filtration is engineered to provide a safe, stable working environment in laboratory settings. The 30” deep base accommodates larger micro and analytical balances and the gentle, non-turbulent airflow limits balance fluctuation and loss of materials. Internal plenums and mounted aerodynamic airfoils around the face opening ensure a smooth, horizontal airflow pattern across the work surface. The bag-in / bag-out filter is designed for safe disposal and replacement of HEPA filter by a certified technician. In Flow Sciences’ “Filter First” design, the fan is positioned to remain contaminant-free even when working with potent powders. The system comes with a standard 20” diameter cutout in the base to accommodate a large drum.

Units may be configured to discharge to house exhaust or to re-circulate back into the lab. Units configured for recirculation are portable and can easily be moved when necessary. “Stationary” installation is not required allowing for greater flexibility in the laboratory. A secondary filter is located between the primary filter and the fan box (patent pending) making this the safest enclosure of its kind on the market. The non-loading secondary HEPA filter prevents any contaminants that might migrate downstream during Bag-in/Bag-out disposal from coming in contact with the exhaust unit and being discharged to house exhaust or re-circulating into the room.

Clean-up is a breeze with quick, tool-free removal of internal top and rear plenums which allows access to all surfaces inside the work area for an easy wipe-down with diluted alcohol mixture while the exhaust unit is operating. Engineered with a minimum of crevices for superior clean-ability minimizing cross-contamination risks. The operation of the fan is exceptionally quiet providing a better work environment. The front of the enclosure is angled for easy viewing while maintaining a safe, comfortable working position. The base of the unit is black for easy powder detection and dished for spill containment. Each system comes equipped with Face Velocity Alarm to alert the operator of velocities below a preset range.

Models are available in 5’ and 6’ widths.

Drum accessories, tables and carts are also available.

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Bulk Powder/Chemical Transfer Stations

Using the same stringent engineering standards, Flow Sciences has developed a rigid to flexible bulk powder containment system that makes transferring bulk material handling safe and easy. Flow Sciences' Patented Bulk Powder Containment System is available with all the necessary accessories to completely contain the process. The turbulence-free airflow provides a stable working environment that will not disrupt balance readings and works with Toploading, Analytical, semi-micro and Micro balances. The base of the unit comes standard with a 20" diameter cutout or can be designed to accommodate larger drum dimensions. A drum lift raises and lowers containers into the enclosure. Drum's inner and outer bags are sealed around retaining rings with replaceable membranes. Each enclosure is mounted on a stainless steel table or cart for added mobility. Also, each system comes equipped with a standard sidewall waste chute and face velocity alarm to continuously monitor air flow.

Independent tests performed on the Bulk Powder Containment System showed containment down to less than 5 nanograms per cubic meter (8hr TWA avg), a containment factor of over 50,000 when following good laboratory practices. Test Data is available upon request.

Customers requiring Bulk Powder Systems need a minimal level of consultation. Please contact a Flow Sciences' Sales Representative for application assistance.

Features

• Enclosure constructed of 3/8" acrylic
• Chemically resistant phenolic resin base
• Dished to contain spills
• Black for easy powder detection
• Air plenums mounted on rear of hood
• Filter air using the FSI Fan Filter Housing and then connect to house exhaust via a thimble connection
• Filter air using the FSI Fan Filter Housing and then recirculate back into the lab
• Enclosure can connect directly to house exhaust
• Multiple filtering options available including Bagout HEPA with 99.99% efficiency and a variety of Carbon filters in single or dual filtration configurations
• Angled front of enclosure allows safe up-close work
• Maximum personnel protection maintained without sacrificing worker comfort
• Aerodynamically designed air foils equipped with alarm sensor
• Unit comes standard with Face Velocity Alarm and waste disposal chute

Units must be certified by a safety professional before beginning any work within the hood.

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