A screw conveyor can hit its target throughput and still be the wrong conveyor for the job.
We’ve seen applications where a conveyor moved the required tons per hour on paper but plugged after startup, overloaded the drive, wore through components prematurely, or damaged the product being conveyed. In many cases, the problem wasn’t the equipment. Critical application information was missing during the sizing process.
Learning how to size a screw conveyor starts with gathering the right data—not selecting a conveyor diameter. Material characteristics, required capacity, conveyor layout, trough loading, operating conditions, horsepower, and torque all influence the final design.
You do not need to complete every engineering calculation before requesting a quote. You do need to provide enough accurate information for an engineer to evaluate the application.
The more complete the information, the more accurately the conveyor can be sized for reliable performance—not just enough capacity to look good on a specification sheet.
What Information Is Needed to Size a Screw Conveyor?
Before requesting a quote, gather as much of the following information as possible:
- Bulk material name and description
- Bulk density, including minimum and maximum values if it varies
- Normal and maximum required capacity
- Maximum particle or lump size
- Flowability, abrasiveness, corrosiveness, and moisture content
- Material and ambient temperatures
- Conveyor length and incline angle
- Inlet and discharge locations
- Whether the conveyor is control-fed or flood-fed
- Operating schedule and expected starting conditions
- Environmental, sanitary, and washdown requirements
- Available electrical power
- Preferred drive location or space restrictions
- Photos, drawings, samples, and information about connected equipment
Some of these details determine the conveyor diameter and speed. Others determine whether it will start reliably, resist wear, fit the available space, and handle the material without plugging or product damage.
Do not delay a conversation with an engineer because one value is unknown. Identify what is missing, explain how the equipment currently operates, and provide representative samples or operating records when available.
Where to Find the Required Information to Size a Screw Conveyor
The required information is often spread across production records, equipment documentation, control systems, and field observations. A maintenance technician may need to collect it from several sources.
Start with the material name—but be specific
Use the material’s full operating description rather than a broad category.
“Flour,” “sludge,” “ash,” or “plastic” may not be specific enough. Different grades, moisture levels, particle sizes, and process conditions can change how a material behaves inside a conveyor.
Look for the material name in:
- Batch sheets or product recipes
- Supplier specifications
- Production work instructions
- Existing equipment documentation
- Safety data sheets
- Container, tote, or supersack labels
A safety data sheet may help identify hazards, chemical compatibility, or temperature concerns, but it may not contain every conveying property needed for sizing.
Technician tip: Note whether the material is hot, wet, aerated, compacted, frozen, sticky, or otherwise different when it reaches the conveyor than it is when delivered to the facility.
Check production records for capacity
The required feed rate may be available from:
- PLC or HMI production data
- Plant historian records
- Weigh feeder readings
- Load-cell data
- Batch recipes
- Bag, tote, or truck unloading records
- Mixer cycle requirements
- Shift production reports
- Ratings for upstream and downstream equipment
Provide the normal operating rate and the highest rate the conveyor must sustain. Do not rely only on an annual production total or a theoretical machine rating.
Technician tip: Record the units. A value such as “20 per hour” is not useful unless the engineer knows whether that means pounds, bags, batches, tons, or cubic feet.
Use plant drawings, then verify them in the field
General arrangement drawings, equipment layouts, and previous project files may show the conveyor length, elevation change, inlet location, discharge location, and available space.
Field measurements are still important. Equipment may have been moved, platforms added, or structural steel modified since the drawing was issued.
Collect:
- Horizontal distance
- Overall conveyor length
- Inlet and discharge centerlines
- Elevation change
- Incline angle
- Available headroom
- Nearby columns, piping, ductwork, and guarding
- Space available for the motor and reducer
- Access needed for inspection and maintenance
Technician tip: Send wide-angle photos and close-ups from several directions, and even some short videos. Include a tape measure or another known reference where dimensions may be difficult to interpret.
A phone measuring app can help estimate distances, elevations, and available space during an initial site walkthrough. Treat those measurements as preliminary. Before equipment is designed or fabricated, verify critical dimensions with a tape measure, laser distance meter, current plant drawings, or a formal field measurement.
Find material properties in published data—or verify a sample
Published bulk-material tables provide useful starting points for common materials. The KWS Manufacturing Bulk Material Table includes values such as bulk density, particle size, recommended trough loading, material factor, abrasiveness, corrosiveness, and flowability for many materials.
Published values should not automatically replace information from the actual process. Bulk density and flow behavior can change with moisture, aeration, compaction, temperature, particle distribution, and storage time.
When the material varies, or is not listed, engineers may request:
- A representative material sample
- Supplier test data
- A measured bulk-density range
- Particle-size information
- Moisture data
- Additional material testing
Technician tip: Take a sample while the process is operating normally. A sample collected from an unopened bag may behave differently from material leaving a bin, dryer, filter, grinder, or mixer.
Identify how material enters the conveyor
Look at the equipment directly above the inlet.
If another piece of equipment regulates how much material enters the conveyor—such as a rotary airlock, belt feeder, vibratory feeder, metering screw, or controlled slide gate—the application is likely control-fed.
If the conveyor draws material directly from a full hopper or bin, the application may be flood-fed.
Technician tip: A photo or short operating video of the inlet often answers questions that are difficult to describe in writing.
Document the operating environment
Walk the conveyor route and record conditions that may affect construction or component selection:
- Indoor or outdoor location
- Dust exposure
- Water or chemical washdown
- Corrosive vapors or liquids
- Hazardous-area classification
- Ambient temperature
- Material temperature
- Food-contact or sanitary requirements
- Exposure to rain, snow, freezing, or direct sunlight
Also photograph existing motor and reducer nameplates, nearby electrical panels, and available power information.
If combustible dust may be present, involve the facility’s safety and engineering teams. A screw conveyor is one part of the overall process-safety evaluation—not a substitute for it.
Bulk Material Characteristics That Affect Screw Conveyor Sizing
The first engineering step in sizing a screw conveyor is understanding the material being conveyed.
Two materials with identical required capacities can need completely different conveyor designs because they behave differently inside the trough.
At a minimum, identify:
- Material type
- Bulk density
- Particle and lump size
- Moisture content
- Flowability
- Abrasiveness
- Corrosiveness
- Temperature
- Whether the material cakes, bridges, packs, smears, or becomes fluidized
- Whether the product can be damaged or degraded during conveying
These characteristics influence recommended trough loading, conveyor speed, horsepower, screw construction, bearing selection, clearances, and expected wear life.
For common materials, the KWS Manufacturing Bulk Material Characteristics Guide and bulk-material table provide useful starting information.
Technician tip: Describe what you see in the process. Comments such as “sticks to the hopper walls after a shutdown,” “creates dust when dropped,” or “forms hard chunks when wet” can be more helpful than simply calling a material difficult to convey.
What Not to Estimate
Avoid guessing these values whenever possible:
- Bulk density
- Maximum lump size
- Incline angle
- Peak production rate
- Material temperature
- Moisture content
- Whether the conveyor must start while loaded
Errors in these inputs can change the required conveyor diameter, speed, horsepower, torque, and construction.
If a value varies, provide the expected range rather than one average number. A conveyor must be evaluated for the conditions it will actually encounter, including startups, surges, shutdowns, and abnormal material conditions.
Define the Required Capacity Before Calculating It
Not all production rates mean the same thing.
Determine whether the stated capacity represents:
- Normal operating rate
- Maximum continuous rate
- Short-term surge rate
- Startup or recovery rate
- Future expansion capacity
Also identify whether the conveyor operates continuously or cycles throughout the day.
For a batch process, engineers may need the batch weight and the available transfer time. Moving 10,000 pounds over an eight-hour shift is a very different application from moving the same amount during four five-minute transfer cycles.
Technician tip: Check the capacity of the equipment receiving the material. A conveyor sized for an upstream machine’s maximum output may overwhelm the mixer, hopper, packaging line, or process equipment at the discharge.
How to Calculate Screw Conveyor Capacity From Bulk Density
Production requirements are often given in pounds per hour or tons per hour.
Screw conveyors, however, are sized using volumetric capacity, commonly expressed in cubic feet per hour. Engineers therefore convert the weight-based production requirement using the material’s bulk density.
The basic calculation is:
Capacity (ft³/hr) = Capacity (lb/hr) ÷ Bulk density (lb/ft³)
For example:
- Required production: 20,000 lb/hr
- Bulk density: 50 lb/ft³
20,000 ÷ 50 = 400 ft³/hr
The conveyor must move 400 cubic feet of material per hour—not simply 20,000 pounds.
This is why bulk density matters. If the material’s actual density is only 40 lb/ft³, the required volumetric capacity becomes:
20,000 ÷ 40 = 500 ft³/hr
That is a 25% increase in required volume and may change the recommended conveyor diameter or speed.
You can find preliminary bulk-density values in the KWS Manufacturing Bulk Material Table. Use the actual operating range when plant or supplier data is available.
Technician tip: If the bulk density changes during processing, identify where the value was measured. Material leaving a dust collector, grinder, compactor, or storage bin may not have the same density as the incoming raw material.
How to Choose the Correct Screw Conveyor Trough Loading
Once engineers know the required volumetric capacity, they determine the appropriate trough loading.
Trough loading is the percentage of the conveyor’s available cross-sectional area occupied by material during normal operation. In simpler terms, it describes how full the conveyor runs.
Horizontal screw conveyors are commonly evaluated at 15%, 30%, or 45% trough loading, depending on the material.
- 15% trough loading is generally used for abrasive, heavy, sluggish, or difficult-to-handle materials.
- 30% trough loading is common for many materials with average conveying characteristics.
- 45% trough loading may be appropriate for light, free-flowing, nonabrasive materials.
The engineer selects trough loading from the material characteristics—not simply by choosing the highest percentage to maximize capacity.
Excessive loading can contribute to higher power requirements, plugging, accelerated wear, and material buildup. Very low loading may result in a larger and more expensive conveyor than the application requires.
The KWS Manufacturing Screw Conveyor Capacity Guide provides recommended trough-loading information and capacity tables showing how trough loading, diameter, and speed work together.
Technician tip: You generally do not need to select the trough loading yourself. Provide an accurate material description and operating conditions so the engineer can choose it.
Worked Example: From Application Data to a Sized Screw Conveyor
Imagine a food-processing facility needs to move soybean meal from a storage bin to a mixer.
Instead of choosing a conveyor diameter, the maintenance and production teams first gather the information engineers will need.
Information collected at the plant
- Material: Soybean meal
- Normal capacity: 18,000 lb/hr
- Maximum continuous capacity: 20,000 lb/hr
- Bulk density: Approximately 40 lb/ft³
- Conveyor length: 45 feet
- Installation: Horizontal
- Material condition: Generally free-flowing and nonabrasive
- Inlet: Control-fed by upstream equipment
- Operation: Continuous during production
- Starting condition: Conveyor is normally emptied before shutdown
- Environment: Indoor food-processing area
- Available information: Layout drawing, inlet photos, material specification, and production records
Step 1: The plant verifies the application information
Maintenance verifies the conveyor route and available space in the field. Production confirms both the normal and maximum feed rates. The material specification provides a preliminary bulk density, which is compared with the actual product handled at the plant.
The team also confirms how the material enters the conveyor and whether the conveyor may ever need to restart while loaded.
Step 2: Engineers review the material and capacity
Using the maximum continuous rate and bulk density, engineers calculate the required volumetric capacity:
20,000 lb/hr ÷ 40 lb/ft³ = 500 ft³/hr
They then review published engineering data and the actual application conditions to determine an appropriate trough loading.
They also check for factors that could alter the recommendation, such as moisture variation, oversized particles, product degradation, aeration, sanitation requirements, or possible future increases in production.
Step 3: Engineers select a diameter and speed range
With the application data verified, engineers compare screw diameters and operating speeds capable of delivering 500 cubic feet per hour at the recommended trough loading.
They do not automatically choose the smallest conveyor that reaches the required capacity. They also consider product handling, wear, operating margin, maintenance requirements, and expected component life.
Step 4: Engineers complete the mechanical design
After establishing the likely diameter and speed, engineers calculate horsepower and torque, verify shafts and couplings, select the drive arrangement, and confirm the appropriate screw, trough, bearings, seals, covers, and construction materials.
What the customer receives
The final recommendation may include:
- Conveyor diameter
- Screw speed
- Screw and flight configuration
- Motor and reducer
- Horsepower and torque requirements
- Shaft and coupling sizes
- Trough and cover construction
- Inlet and discharge details
- Bearings and seals
- Sanitary or environmental features
- Required controls or startup limitations
The plant did not need to calculate the final conveyor size. Its job was to provide accurate material, capacity, layout, and operating information so the engineers could make the right selection.
How Engineers Select Screw Conveyor Diameter and Speed
Once engineers know the volumetric capacity, trough loading, material characteristics, and conveyor layout, they can begin selecting the screw diameter.
Diameter and speed must be evaluated together.
A smaller conveyor running at high revolutions per minute may technically meet the capacity requirement. However, a larger conveyor operating at a lower speed may provide:
- Lower wear
- Gentler product handling
- Less dust generation
- Longer component life
- More operating margin
- Better performance with variable material conditions
Lower screw speeds are generally recommended for many industrial applications, although achieving the same capacity at a lower speed may require a larger conveyor diameter.
The correct balance depends on the application. That is why a diameter should not be selected from tons per hour alone.
Why Maximum Lump Size Matters When Sizing a Screw Conveyor
Capacity is not the only factor that determines conveyor diameter.
The maximum lump size can determine the minimum conveyor diameter, even when the capacity tables suggest that a smaller conveyor would suffice.
Large pieces may become trapped between the screw flight and the trough. The result can be:
- Plugging
- Flight damage
- Trough damage
- Increased startup torque
- Accelerated wear
- Broken coupling bolts or other drive-component failures
Provide:
- Average particle size
- Maximum lump size
- Approximate percentage of oversized pieces
- Shape of the largest pieces
- Whether the material is friable and breaks apart easily
- Whether it contains stringy, fibrous, or irregular pieces
Size for the largest realistic particle—not just the average.
Technician tip: Inspect the material after screens, grinders, or other upstream equipment. Worn screens, damaged grates, or process upsets may allow larger pieces into the conveyor than the product specification indicates.
Why Control-Fed vs. Flood-Fed Changes the Design
One of the most important pieces of application information is how material enters the conveyor.
A standard screw conveyor is typically control-fed, while a screw feeder is usually flood-fed from a hopper or bin.
This distinction affects:
- Inlet configuration
- Screw pitch
- Flight design
- Capacity calculations
- Horsepower
- Torque
- Screw construction
- Bin-flow performance
Using standard conveyor calculations for a flood-fed screw feeder can result in an undersized or unreliable design.
Technician tip: Do not determine the feed condition from the equipment name alone. Observe whether the inlet remains covered with material and identify what actually regulates flow.
How Incline Affects Screw Conveyor Capacity
The conveyor layout influences more than horsepower.
Engineers will need:
- Overall conveyor length
- Horizontal distance
- Elevation change
- Incline angle
- Inlet and discharge locations
- Number and location of intermediate discharges
- Available space around the drive and supports
As incline increases, conveying efficiency generally decreases because some material falls back between the flights.
Inclined applications may require:
- A larger diameter
- Higher operating speed
- Modified flighting
- Additional horsepower
- Different clearances or trough construction
Steeply inclined and vertical applications require a different design approach than standard horizontal conveyors.
Technician tip: Avoid estimating the angle by eye. Provide the horizontal run and elevation change, or take a field measurement from verified reference points.
Flight Design Can Change Conveyor Capacity
Not every application uses standard full-pitch flighting.
Depending on the process, engineers may specify:
- Short-pitch screws
- Variable-pitch screws
- Ribbon flights
- Paddle screws
- Cut flights
- Cut-and-folded flights
- Mass-flow screws
- Shaftless spirals
These designs address different process needs, including feeding, mixing, agitation, cooling, heating, dewatering, and handling sticky materials. They can also change capacity, horsepower, torque, and product handling.
Tell the engineer whether the conveyor must do more than move material from one point to another.
For more information about screw flight design, take a look at KWS’s comparison of different types of ribbon flighting.
Does the Application Need a Shafted or Shaftless Screw?
Sticky, fibrous, stringy, or irregular materials may perform better in a shaftless screw conveyor because there is no center pipe or intermediate hanger bearing for material to wrap around.
Shaftless conveyors introduce their own design considerations, including:
- Liner material
- Liner wear
- Spiral construction
- Trough design
- Horsepower
- Torque
- Supports
- Maintenance access
Describe any wrapping, bridging, sticking, or buildup problems seen in the existing process.
The IBT guide to Selecting the Best Shaftless Screw Conveyor for Your Application explains when shaftless construction makes sense.
How Screw Conveyor Horsepower Is Calculated
Never select motor size based on conveyor diameter alone.
Horsepower calculations account for factors such as:
- Conveyor length
- Material factor
- Bulk density
- Capacity
- Speed
- Incline
- Friction
- Drive efficiency
- Modified flighting
- Starting conditions
- Additional processing work
Applications involving mixing, agitation, compression, loaded starts, or difficult materials may require more horsepower than a basic conveying calculation indicates.
Provide the available voltage, phase, frequency, hazardous-area requirements, and any plant motor standards.
Technician tip: Photograph the nameplates on existing motors and reducers, but do not assume the replacement system should use the same horsepower. The existing unit may be incorrectly sized or may operate under a different condition.
Why Screw Conveyor Torque Must Be Checked
Horsepower indicates how much power the drive supplies.
Torque determines whether the mechanical components can safely transmit that power.
Engineers verify the torque capacity of:
- Drive shafts
- Coupling shafts
- Couplings
- Coupling bolts
- Reducer output shafts
- Screw pipe
- Spiral or flight construction
Simply installing a larger motor can move the weak point elsewhere in the conveyor and create a more expensive failure.
Loaded starts, material compaction, obstructions, and flood-fed inlets can increase torque demand. Tell the engineer whether the conveyor normally empties before shutdown and what happens after an emergency stop.
Preliminary Sizing Is Not Final Engineering
Selecting a likely screw diameter does not complete the design.
Preliminary sizing identifies a possible diameter, speed, and general configuration based on the application data.
Final engineering verifies:
- Horsepower
- Torque
- Shaft deflection
- Component ratings
- Bearing selection
- Screw construction
- Flight design
- Drive arrangement
- Structural supports
- Material compatibility
- Inlet and discharge design
- Guarding and safety requirements
Think of preliminary sizing as identifying the right conveyor concept. Final engineering confirms that every component can safely perform under the expected operating conditions.
Consider the Operating Environment
The operating environment can change the design as much as capacity.
Provide information about:
- Indoor or outdoor installation
- Washdown procedures
- Food-contact requirements
- Corrosive materials or cleaning chemicals
- Hazardous locations
- Combustible dust
- Ambient temperature
- Material temperature
- Moisture and condensation
- Sanitary inspection requirements
- Required finishes or construction materials
For food-processing applications, sanitary design, cleanability, seals, covers, access, and surface finish may be critical. See the IBT article on features to consider in a food-industry screw conveyor.
Technician tip: Include the cleaning method, chemicals used, water pressure, and cleaning temperature. Saying only that an area is “washdown” may not give engineers enough information to select seals, bearings, finishes, and electrical components.
Use the KWS Screw Conveyor Calculator for Preliminary Sizing
KWS Manufacturing offers an interactive screw conveyor calculator that can help with the preliminary evaluation of:
- Capacity
- Conveyor speed
- Horsepower
- Torque
The calculator is designed specifically for horizontal, control-fed screw conveyor applications. It should not be used to size an inclined screw conveyor or a flood-fed screw feeder, since those applications require additional engineering considerations that are not accounted for in the standard calculator.
If your application is inclined, vertical, or flood-fed from a hopper or bin, contact IBT Industrial Solutions rather than relying on the calculator alone. The IBT conveying team can review the material, layout, feed conditions, and operating requirements and work with KWS Manufacturing to properly evaluate the application.
For horizontal, control-fed applications, the calculator is a useful starting point for understanding how factors such as capacity, bulk density, screw diameter, speed, and conveyor length affect preliminary sizing.
Keep in mind: the calculator is only as accurate as the information entered, and its results are preliminary. Final conveyor selection should include an engineering review to verify horsepower, torque, component ratings, construction, and other application-specific requirements.
Screw Conveyor Information Checklist
Before requesting a quote, gather as much of this information as possible.
Material
- Exact material name and process condition
- Bulk-density range
- Average particle size
- Maximum lump size
- Moisture content
- Flowability
- Abrasiveness
- Corrosiveness
- Material temperature
- Tendency to bridge, cake, smear, pack, aerate, or wrap
- Product-damage concerns
- Representative sample, when available
Capacity and operation
- Normal operating rate
- Maximum continuous rate
- Surge or batch rate
- Units of measurement
- Operating hours
- Number of starts per day
- Continuous or intermittent operation
- Empty or loaded startup
- Planned future capacity
Conveyor layout
- Overall length
- Horizontal run
- Elevation change
- Incline angle
- Inlet locations
- Discharge locations
- Feed condition
- Available headroom and floor space
- Drive-location restrictions
- Maintenance-access requirements
- Drawings, sketches, photos, or videos
Environment and construction
- Indoor or outdoor installation
- Ambient temperature
- Washdown requirements
- Cleaning chemicals and temperatures
- Food-grade or sanitary requirements
- Corrosive exposure
- Hazardous-area classification
- Combustible-dust concerns
- Preferred construction materials
- Existing plant standards
Electrical and controls
- Available voltage, phase, and frequency
- Preferred motor or reducer standards
- Variable-frequency drive requirements
- Speed-control needs
- Existing interlocks and sensors
- Emergency-stop requirements
- Information from existing equipment nameplates
You may not have every answer. A marked “unknown” is more useful than an unverified estimate because it indicates what needs to be investigated.
Common Screw Conveyor Sizing Mistakes
Avoid these common mistakes:
- Selecting a conveyor using only tons per hour
- Using an average capacity when the conveyor must handle higher peaks
- Guessing bulk density
- Reporting average particle size but not maximum lump size
- Treating an inclined conveyor like a horizontal conveyor
- Using standard conveyor calculations for a flood-fed screw feeder
- Ignoring loaded-start conditions
- Increasing motor horsepower without checking torque ratings
- Forgetting washdown, corrosion, dust, or temperature conditions
- Selecting modified flighting without recalculating capacity
- Relying on outdated plant drawings without field verification
- Assuming the material behaves the same at every point in the process
Frequently Asked Questions About Screw Conveyor Sizing
How do you calculate screw conveyor capacity?
Start with the required volumetric flow rate. Convert a weight-based production rate by dividing pounds per hour by the material’s bulk density in pounds per cubic foot.
Engineers then evaluate trough loading, screw diameter, pitch, speed, and application factors to determine whether a conveyor can meet the requirement.
What size screw conveyor do I need?
The required diameter depends on more than throughput. Bulk density, material behavior, lump size, incline, trough loading, conveyor length, feed condition, and operating speed all influence the final selection.
Provide the application information and allow an engineer to determine the appropriate diameter and configuration.
How full should a screw conveyor be?
Many horizontal screw conveyors are evaluated at approximately 15%, 30%, or 45% trough loading.
The appropriate value depends on the material. Free-flowing, nonabrasive materials may permit higher loading, while abrasive, sluggish, or difficult materials generally require lower loading.
Does incline reduce screw conveyor capacity?
Yes. As the conveyor angle increases, material tends to fall back between the flights, reducing conveying efficiency.
Inclined conveyors may require a different diameter, speed, flight design, and horsepower than a horizontal conveyor handling the same material.
Can a screw conveyor start while full?
A conveyor can be engineered for a loaded start, but the design must include that condition.
Starting under load can significantly affect horsepower, torque, reducer selection, shafts, couplings, and screw construction. Tell the engineer whether loaded starts may occur after normal shutdowns, power failures, or emergency stops.
What should I do when the bulk density is unknown?
Begin with published information for the exact material, but tell the engineer that the value has not been verified.
A representative sample, supplier data, or a plant measurement may be needed when density varies or when the published material does not match the actual process condition.
Do I need to know the conveyor diameter before requesting a quote?
No. The diameter is one of the results of the sizing process.
Provide accurate information about the material, capacity, layout, inlet condition, operating schedule, and environment. Engineers can then evaluate the required diameter, speed, horsepower, torque, and construction.
Better Information Produces a Better Conveyor
The most useful first question is not, “What diameter screw conveyor do I need?”
It is, “What does my application require?”
Accurate material data, realistic production rates, verified dimensions, and a clear description of the operating conditions allow engineers to select the right diameter, speed, horsepower, torque rating, and construction.
Before contacting a supplier, gather the checklist information along with available drawings, equipment photos, operating videos, material specifications, production records, and representative samples.
Do not hide missing information behind estimates. Identify what is known, what varies, and what still needs to be verified. That gives the engineering team a stronger starting point and reduces the chance of costly changes after the equipment is installed.
Featured Brand: KWS Manufacturing
When an application requires more than an off-the-shelf conveyor, KWS Manufacturing provides bulk-material-handling equipment engineered to the material, process, and operating conditions.
The KWS product range includes:
- Shafted screw conveyors
- Shaftless screw conveyors
- Screw feeders
- Vertical screw conveyors
- Drag conveyors
- Bucket elevators
- Slide gates
- Thermal screw processors
- Custom bulk-material handling systems
KWS Manufacturing also provides extensive engineering resources for evaluating screw conveyor applications. Capacity guides, bulk-material tables, horsepower and torque calculations, and interactive calculators give maintenance teams and engineers a stronger foundation for discussing projects.
Whether the application involves abrasive aggregate, sticky sludge, corrosive chemicals, food ingredients, elevated temperatures, or custom process requirements, KWS Manufacturing can design equipment around the demands of the operation.
Working with IBT Industrial Solutions and KWS Manufacturing provides your facility with application support, engineered conveyor solutions, replacement components, and technical guidance throughout the selection process.
Bring IBT the material information, production requirements, field measurements, photos, and operating details you have collected. The IBT conveying team can help identify missing information and work with KWS Manufacturing to develop a screw conveyor sized for the complete application—not just the stated throughput.
