Used Screw Conveyors for Sale
Screw conveyors are mechanical conveying systems designed to move bulk materials using a rotating helical screw blade (auger) within a trough or tube. These systems are widely used for controlled, enclosed transport of powders, granules, and semi-solid materials. Used screw conveyors are commonly found in chemical processing, food production, agriculture, and bulk material handling applications where consistent flow, dust control, and space efficiency are important. Browse available inventory below to find screw conveyors that match your material handling and process requirements.
Stock No.:
44582030Used Screw Conveyor – 12" Diameter x 6' Long, Stainless Steel | Efficient Bulk Material Handling for Industrial Applications
Used- Screw Conveyor, 12" diameter x 6' long, stainless steel. "U" Trough style with cover and motor.
MFR: Unknown
Stock No.:
53928001Valmet Pre-Compression Plug Feeder & Shredder System – 1000 BDST/D Biomass Capacity
Unused Valmet Plug Screw Feeder with Pre-Compression Screw and Shredder. Designed for infeed raw material chips density 100 kg/m3, moisture content 20-48%, design flow rate 530 dry tons per day soft wood chips, (500BDST/D); Max capacity 1000 BDST/D; Turndown rate 50%. Valmet plug screw feeder: Fed by a pre-compression screw section, and 48" shredder at outlet; 850 HP Siemens motor 1750 rpm 460v 3/60; Gear Reducer ratio 25:1. Nominal speed 69 rpm, range 35-105 rpm; Inlet 35.83" x 25.79". Pre-compression screw: Materials of construction stainless steel 304L for all contact parts; Sits on top of plug screw at 90 degrees with s 24" diameter top force feed; Capacity Volume/Revolution inlet/discharge: 45 L / 22.5 L. Capacity / revolution at 110 kg/m3 = 5.46 BDST/D and net max capacity at 110 kg/m3 = 530 BDST/D; 250 HP motor 1750 rpm 460v 3/60 v-belt drive to gear reducer V-belt reduction 1:52; Gear reducer SEW Eurodrive ratio 18:1. Final rpm nominal speed 65 rpm, range 45-97 rpm; Outlet: 35.83" x 25.79". T-Pipe 48" Shredder: Fed from plug screw feeder 24" biomass inlet; MAWP 350 psig at 800F; 100 HP motor 1750 rpm 460v 3/60; Gear reducer 8.9:1 for nominal 197 rpm; Outlet 24" flange 600#. All equipment never used, new in 2020. Our freight specialists can assist you with door to door transportation and all customs documents needed to make the process go as smoothly as possible.
Stock No.:
53267111Used Thomas & Muller Stainless Steel Screw Conveyor – 24" x 26'-4", 10 HP, Built 2012
Used-Thomas & Muller Systems LTD Stainless Steel Screw Conveyor. 24" screw X 26'-4" long. Unit has a 150" long top feed area, then material travels to end 20" round side discharge, opposite side has 20" round opening for air induction. Serial# C-52302. Driven through Nord Drivesystems with 47.67:1 ratio. Powered by Marathon 10HP 3/60/208-230/460 volt motor. Built 2012.
Screw Conveyor Applications & Typical Use Cases
Used screw conveyors are ideal for moving bulk materials in horizontal, inclined, or vertical configurations. Typical applications include:
Conveying powders such as flour, cement, and chemicals
Handling granules like plastic pellets, grains, and fertilizers
Transporting sludge, pastes, or semi-solid materials in wastewater and processing plants
Feeding materials into mixers, reactors, or packaging equipment
Metering controlled material flow in batching and dosing systems
When to Choose a Screw Conveyor
Screw conveyors are best suited for applications requiring enclosed material transfer with minimal dust or product loss. They are preferred over belt or pneumatic systems when precise metering, compact design, or the ability to handle difficult materials (sticky, abrasive, or semi-solid) is required. Facilities with limited space or needing controlled feed rates often rely on screw conveyors for efficient material movement.
Used Screw Conveyor Buying Considerations
When evaluating a used screw conveyor, consider the following:
Screw Diameter & Pitch: Determines capacity and material flow characteristics
Conveyor Length & Incline: Impacts throughput and installation requirements
Material Compatibility: Ensure construction materials suit corrosive, abrasive, or sanitary applications
Drive System & Speed: Evaluate motor size, gearbox, and variable speed capabilities
Trough or Tube Design: U-trough vs. tubular designs based on containment and application
Condition & Wear Components: Inspect screw flights, liners, bearings, and seals
Why Buy Used Screw Conveyors
Purchasing a used screw conveyor offers a cost-effective solution for bulk material handling without the long lead times associated with new equipment. Many units are available for immediate shipment and can be quickly integrated into existing systems. Used equipment also provides access to durable, proven designs suitable for a wide range of industrial applications.
Sell Your Used Screw Conveyors
Aaron Equipment actively purchases surplus and used screw conveyors from a variety of industries and configurations. Whether you are upgrading systems or liquidating excess equipment, our team can assist with asset evaluation and resale solutions.
A screw conveyor is a mechanical conveying system that uses a rotating helical screw blade to move bulk materials through a trough or tube. It is commonly used for transporting powders, granules, and semi-solid materials in industrial processing and material handling operations.
Screw conveyors are used to transport bulk materials such as powders, grains, chemicals, and sludge. They are commonly found in food processing, chemical manufacturing, agriculture, and wastewater treatment where controlled, enclosed material movement is required.
Screw conveyors move materials using a rotating auger within an enclosed system, making them ideal for dust control and precise metering. Belt conveyors use a continuous belt surface and are better suited for moving packaged goods or bulk materials over longer distances with less material agitation.
The cost of a used screw conveyor depends on factors such as diameter, length, material of construction, drive system, and overall condition. Larger or specialized units may command higher prices. Contacting a sales representative can help determine current availability and pricing.
Yes. Aaron Equipment purchases surplus and used screw conveyors across a wide range of sizes and configurations. If you have equipment available for sale, submit your details to request an evaluation.