Gravimetric Feeders Offer a Window into Your Process
Use this Chart to Help You Choose the Best Weighfeeder for Your Process
In gravimetric feeding, dry bulk material or liquid is fed into a process at a constant weight per unit of time since weight is a variable that can be captured by a weighing module. Consistent control and complete monitoring are possible. In principle, gravimetric feeding combines monitoring of the feeding process with a feedback loop that enables accurate material control.
Download PDF: K-Tron Weigh Feeder Accuracy
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Product |
Feeding Solution |
Application |
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Modular Loss-in-Weight feeders |
Gravimetric feeding for varying density, material handling automation, long term accuracy, repeatability and quality documentation, and where dust control is a concern. |
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Bulk Solids Pump™ (BSP)feeders: |
Precise volumetric feeding of free flowing bulk materials, e.g. pellets & granules. The feeder can be upgraded to a loss-in-weight feeder system at any time. |
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Microfeeder and Compact feeders for very low feed rates |
The Microfeeder and Compact loss-in-weight feeders are optimized for laboratory applications, pilot projects, or feeding minor ingredients with high accuracy and recipe repeatability. Use the Microfeeder for feed rates as low as 0.04 dm³/hr (0.0014 ft³/hr). Use Compact Feeders for any low feed rate application where space is limited and high accuracy and recipe repeatability are required. |
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Smart Weigh Belt (SWB) feeders |
Gravimetric feeding at higher feed rates or where low headroom is a problem. Especially at high feed rates, a weigh belt feeder offers lower initial cost than a loss-in-weight feeder with equal throughput. |
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For high accuracy gravimetric feeding of liquids. The complete liquid loss-in-weight system (feeder, scale, pump, piping) is available in special skid mounted designs which are completely portable for movement throughout the plant. K-Tron Systems Group specializes in designing and integrating both liquid and powder loss-in-weight systems for applications such as extrusion. |
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Smart Flow Meter (SFM) with SFT weighing for high rate mass flow control |
Metering, monitoring or totalization of bulk material flows, or as feeder in high rate applications. |
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K4G Gravimetric Blender for pellets and multi-stream ratio control |
Compact design and low space requirements allow four to six feeders with Premier Pneumatics vacuum receivers to be easily grouped around an extruder inlet. A wide variety of standard feeders, including the Bulk Solids Pump (BSP), can be integrated onto the K4G single-point weighing system. |
