Drum to Drum Screener
Drum-to-Drum Screeners for Controlled Powder Conditioning
Sanitary Screening of Powders Directly Between Drums
Remove agglomerates, protect downstream equipment, and verify material quality without unnecessary handling.
Post Material Handling Drum-to-Drum Screeners are engineered to screen and condition powders directly from one drum into another in a closed, controlled process. By eliminating intermediate hoppers and transfers, these systems reduce dust, minimize product loss, and maintain material integrity in pharmaceutical, nutraceutical, and industrial applications.
Designed for batch-based operations, Drum-to-Drum Screeners provide a compact, sanitary solution for powder verification and conditioning prior to blending, milling, or packout.
Place an empty drum in one cradle, invert the drum and place a full drum in the second cradle. Press the start button and the full drum will rotate over the empty drum, the Russell Finex screener starts and the entire contents of the drum are quickly screened. Remove the finished, screened drum of material and repeat the process. The sanitary drum screener is manufactured from 304 stainless steel with 316 stainless steel product contact surfaces. The sanitary screener, as all of Post Material Handlings products are easily disassembled for cleaning.
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Key Benefits
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Direct drum-to-drum material transfer
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Removal of agglomerates and oversized particles
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Reduced handling and dust exposure
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Improved consistency and downstream protection
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Suitable for sanitary and regulated environments
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Applications & Specifications
Post Material Handling Drum-to-Drum Screeners are used to screen, condition, and verify powders directly between drums as part of batch-based material handling and processing operations. These systems are designed to remove agglomerates, oversized particles, or foreign material while maintaining a controlled, closed transfer between containers. Powder Conditioning & Verification Drum-to-drum screening is commonly applied where powder quality must be verified before downstream use. Typical applications include: Removal of agglomerates formed during storage or transport Conditioning powders prior to blending, milling, or filling Verifying incoming raw materials before processing Improving powder flow consistency Screening at the drum level allows material issues to be addressed early, reducing downstream disruptions. Protection of Downstream Equipment By removing oversized material before processing, drum-to-drum screeners help protect: Mills and size-reduction equipment Feeders and dosing devices Valves and packout systems Tablet presses and other sensitive equipment This reduces wear, unplanned downtime, and potential damage caused by foreign material or large agglomerates. Batch-Based & Drum-Centric Operations Drum-to-drum screeners are well suited for: Batch manufacturing workflows Drum-based material handling systems Operations that avoid intermediate hoppers or conveyors Processes requiring controlled, contained transfer Material is screened directly from the source drum into a receiving drum, minimizing handling steps and maintaining batch integrity. Sanitary & Regulated Environments These systems are frequently used in: Pharmaceutical and API manufacturing Nutraceutical and supplement production Specialty chemical processing Food and ingredient handling Sanitary construction and cleanable designs support use in regulated environments where cleanliness, containment, and traceability are required. Pre-Packout & Pre-Processing Screening Drum-to-drum screeners are often installed immediately upstream of: Packout and filling stations Blenders or mixers Milling and conditioning equipment This ensures that only screened, verified material enters critical downstream processes.
Specifications
Specifications
Post Material Handling Drum-to-Drum Screeners are engineered for high-speed, batch-based powder screening using a rapid, repeatable drum handling sequence. The system is designed to minimize idle time by allowing operators to continuously alternate between full and empty drums, enabling fast screening cycles with minimal handling.
Operating Principle
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Accepts a full drum, flips it into position, and discharges material through the screener
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Operator places an empty receiving drum into the system
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The system flips again and screens the full drum directly into the empty drum
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With each flip cycle, the operator simply loads the next full or empty drum
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Continuous alternation enables very fast screening throughput
This flip-based workflow eliminates waiting for intermediate transfers and keeps the system in near-constant operation.
Drum Handling
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Designed for standard industrial drums
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Supports rapid loading and unloading of drums
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Alternating full/empty drum sequence maximizes uptime
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Controlled flipping ensures safe, repeatable drum inversion
Screening Performance
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High-throughput powder screening suitable for batch operations
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Efficient removal of agglomerates and oversized material
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Consistent screening performance from drum to drum
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Designed to maintain material flow without bottlenecks
Screening Assembly
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Sanitary screener design suitable for regulated environments
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Interchangeable screen media available based on application
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Cleanable design for product changeover
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Designed for fast access and maintenance
Speed & Throughput Advantages
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Rapid drum flip-and-screen sequence
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Minimal operator idle time between batches
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No intermediate hoppers or buffer vessels required
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Ideal for operations where screening speed is critical
This design allows operators to keep material moving continuously by simply alternating between loading full and empty drums.
Construction & Design
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Stainless steel construction available for sanitary applications
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Robust structural design for continuous industrial use
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Compact footprint relative to throughput
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Designed for long-term reliability
Controls & Operation
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Simple, intuitive operator controls
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Controlled drum flipping and screening sequence
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Designed for repeatable, operator-friendly cycles
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Integration with upstream and downstream drum handling equipment
Safety & Compliance
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Controlled mechanical handling reduces manual drum lifting
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Guarding and interlocks as required
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Supports safer, more ergonomic drum handling practices
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Suitable for regulated and industrial environments
Integration & Options
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Compatible with drum lifts and packout stations
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Can be positioned upstream of blending, milling, or filling
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Configurable for different screen sizes and materials
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Designed to integrate into drum-based workflows
Note
Drum-to-Drum Screeners are engineered-to-order systems. Final specifications vary based on material characteristics, drum size, screen requirements, and facility layout.
High-Speed Drum-to-Drum Screening
Post Material Handling’s Drum-to-Drum Screener is designed for operations where speed, simplicity, and batch integrity matter. Unlike traditional hopper-based or conveyor-fed screeners, this system screens material directly between drums using a rapid flip-and-screen sequence that keeps material moving with minimal downtime.
By alternating between full and empty drums, the screener operates in a near-continuous cycle. Each time a drum is loaded, the system flips, screens, and prepares for the next drum—allowing operators to maintain a fast, efficient workflow without intermediate vessels or waiting periods.
Proven Batch Protection — Real-World Use Case
During the first production use of a Post Material Handling Drum-to-Drum Screener, the system prevented a critical batch failure by capturing a desiccant bag that had been inadvertently left inside a drum.
As material was screened from the source drum into the receiving drum, the screener intercepted the foreign object before it could enter downstream processing. The batch—valued at $280,000—was saved.
Immediate Return on Investment
That single event:
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Prevented contamination of downstream equipment
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Avoided batch rejection and disposal
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Eliminated cleanup, investigation, and downtime
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Paid for the screener on its first use
Without drum-to-drum screening, the foreign material would have entered the process unnoticed, resulting in the loss of the entire batch.
Efficient Flip-and-Screen Workflow
The core advantage of the Drum-to-Drum Screener is its alternating drum workflow. A full drum is loaded and inverted into position. Once screening begins, an empty receiving drum is placed into the system, and the next flip transfers screened material directly into the empty drum.
With each flip:
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One drum is always being screened
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The operator simply loads the next full or empty drum
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Screening continues without interruption
This approach dramatically reduces idle time and makes the system exceptionally fast compared to traditional screening methods.
Designed for Drum-Based Operations
Many manufacturing environments rely on drums as the primary method of material storage and handling. The Drum-to-Drum Screener is purpose-built for these workflows, allowing screening to occur without transferring material into hoppers, bins, or intermediate containers.
By keeping material in drums throughout the process, the system:
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Preserves batch integrity
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Reduces handling steps
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Minimizes dust generation
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Simplifies cleanup and changeover
This makes it especially effective in batch-based and regulated production environments.
Speed Without Compromising Control
While the system is designed for high throughput, it maintains controlled, repeatable screening performance. Agglomerates and oversized material are efficiently removed, and screened product flows consistently into the receiving drum.
The combination of fast drum handling and effective screening allows facilities to process large volumes of material quickly while maintaining confidence in material quality before downstream use.
Reduced Handling, Improved Safety
By eliminating unnecessary transfers and manual manipulation of material, the Drum-to-Drum Screener reduces operator exposure and ergonomic risk. Drums are mechanically handled and inverted in a controlled manner, supporting safer powder handling practices and cleaner production environments.
This reduction in handling is a key reason many facilities adopt drum-to-drum screening as a standard step in their material handling process.
A Practical, System-Level Solution
Rather than adding complexity, the Drum-to-Drum Screener simplifies powder screening by aligning with how material is already handled—in drums. It integrates naturally with drum lifts, packout stations, and downstream processing equipment, providing a fast, practical solution for conditioning and verifying powders before use.
Built for Speed, Simplicity, and Confidence
The Post Material Handling Drum-to-Drum Screener is designed around a simple idea: if material already lives in drums, screening should happen in drums—quickly and without extra steps. By eliminating intermediate hoppers, conveyors, or buffer vessels, the system keeps material moving while reducing complexity.
The alternating drum workflow allows operators to maintain a continuous rhythm—loading a full drum, placing an empty drum, and screening material in rapid succession. This design keeps the screener productive with minimal operator downtime and makes it exceptionally fast compared to traditional screening approaches.
Screening Without Slowing Production
In many facilities, screening is treated as a necessary but disruptive step. The Drum-to-Drum Screener changes that dynamic by making screening fast enough to keep up with production, even in batch-driven environments.
Because each drum flip immediately prepares the system for the next screening cycle, operators are not waiting for vessels to empty or equipment to reset. The result is a high-throughput screening process that fits naturally into existing drum-based workflows.
Applications
Post Material Handling Drum-to-Drum Screeners are used to rapidly screen and verify powders directly between drums as part of batch-based manufacturing operations. The system is designed for high-throughput environments where speed, material integrity, and batch protection are critical.
By screening material at the drum level, the system provides an effective safeguard before powders enter downstream processing, blending, milling, or filling operations.
Foreign Material Detection & Batch Protection
Drum-to-drum screening is commonly used as a final verification step to protect high-value batches. The system can intercept:
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Foreign objects inadvertently left in drums
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Packaging materials such as liners or desiccant bags
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Oversized material or agglomerates
By catching these issues early, the screener prevents batch contamination, equipment damage, and costly production losses.
High-Speed Batch Screening
The system’s alternating drum flip workflow allows operators to screen material extremely quickly by continuously cycling full and empty drums. This makes it well suited for:
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High-value powders with limited batch sizes
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Operations where screening must not become a bottleneck
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Facilities requiring rapid turnaround between batches
Each flip keeps the process moving, enabling fast screening without idle time.
Pre-Processing & Pre-Packout Screening
Drum-to-Drum Screeners are frequently installed upstream of:
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Blenders and mixers
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Milling and size-reduction equipment
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Packout and filling stations
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Tablet presses and other sensitive processes
Screening material before these steps protects equipment, improves process reliability, and ensures consistent material quality.
Drum-Based Manufacturing Workflows
Many facilities rely on drums as their primary material handling method. Drum-to-drum screening supports these workflows by:
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Eliminating intermediate hoppers or transfer vessels
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Maintaining batch traceability
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Reducing material handling and dust exposure
Material remains in drums from receipt through screening and into downstream processing.
Sanitary & Regulated Environments
Drum-to-Drum Screeners are commonly used in:
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Pharmaceutical and API manufacturing
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Nutraceutical and supplement production
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Specialty and fine chemical processing
Sanitary construction and cleanable designs support use in regulated environments where quality control and contamination prevention are essential.
Quality, Safety, and Risk Reduction
By mechanically handling drums and screening material in a controlled process, the system:
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Reduces operator handling
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Minimizes exposure to powders
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Supports safer, more consistent production
For many facilities, drum-to-drum screening has become a standard quality assurance step, justified by the prevention of even a single batch loss.
Repurposing
Post Material Handling Post Lifts may be bought back for repurposing when its original design function is no longer applicable. Repurposing was one of the major design criteria when the Post Lifts were originally conceived.
Repurposing reduces waste, adds reselling value and is the responsible means to recycle equipment.
Virtual Reality Demo
Post Virtual Reality develops proposals and building layouts using state of the art Virtual Reality visualizations.
We will build your layout in 3D and make it available to you using a standard web browser. The same VR environment can be viewed in browser on your desktop or laptop computer, a head mounted display and cell phone.
Post Virtual Reality converts CAD data into 3D presentations. If you do not have 3D CAD data, we will model your equipment and layouts for you.
Here’s What Our Client’s Are Saying
“We have teamed up with Post for over 9 years on several successful projects. Pat and his team are very knowledgeable and are able to supply solutions that integrate perfect with our machines.
Not only are their material handling solutions very well manufactured, I am especially grateful for the attention to detail and automation expertise at Post. They are problem solvers and a terrific resource for all material handling projects.”