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Linear Motion Machines

• Derrick® Linear Motion Machines are trusted across industries for their reliable performance in trash screening, dewatering, and wet scalping applications. With a proven track record in handling industrial minerals, precious metals, fertilizers, and even wastewater, these machines are available in various sizes and configurations to meet different screening capacity needs.
• Engineered for high-volume slurry processing, these machines perform best when handling slurry with a low percentage of oversize solids. When paired with high G-force Derrick vibratory motors and thickened slurry from hydrocyclone underflow, they efficiently remove free liquid from solids, making them perfect for dewatering tasks. Integrated small-diameter hydrocyclones and multi-nozzle spray bars allow the system to recover and dewater materials as fine as 400 mesh (38 microns).
• Derrick Linear Motion Machines are widely used in sand, coal, aggregate, concrete, graphite, and mining operations thanks to their low maintenance, low energy use, and quiet performance. Built for durability, all wear surfaces are protected with abrasion-resistant urethane coatings or rubber linings, ensuring long service life. Their open design allows easy visual inspection of screen panels and access to the feed box, making operation and maintenance both simple and efficient.

G-Vault Urethane Interstage Screen

• Derrick has spent decades innovating and perfecting upon this design and are proud to present the G-Vault® Urethane Interstage Screen as the gold standard for loaded carbon and resin circuits. 
• The screens feature our unique thermoplastic urethane technology that’s supported by a robust but easily handled support structure. Non-blinding and abrasion resistant, enabling higher operation throughputs with longer lasting components that feature tapered openings, resistance to high temperatures, and an increased open area. Overall, this reliably improves gold recovery through decreased carbon losses and waste to tails.
• Each screen is built with a stainless steel frame and easily replaceable cartridge screens to facilitate faster assemblies and integration into existing circuits while reducing maintenance downtimes during plant operation. However, Derrick also offers the G-Vault® Complete Interstage Unit, a complete, custom fitted product that is engineered to improve overall process efficiency while still prioritizing operator safety and unit accessibility.

Hi-G Dewatering Machine

• The Derrick® HI-G® Dewatering Machine is a cost-effective, high-performance solution for separating and recovering fine solids—used globally in sand, aggregate, coal, concrete, graphite, and mining applications. It combines small-diameter hydrocyclones with a linear motion shaker, delivering powerful performance capable of recovering materials as fine as 325 mesh (45 microns).
• Equipped with two to twenty 4-inch hydrocyclones, each with its own shutoff valve, this machine efficiently removes silt-sized solids (20–74 microns) without the need for polymers or chemicals. Its dual 2.5 HP vibratory motors operate at 1,750 RPM, creating a precise motion that enhances separation efficiency. The unit features Polyweb® urethane screen panels, known for their high open area, non-blinding design, and long-lasting performance—making it ideal for continuous, high-capacity operations.
• Designed to recover up to 80% of the silts and ultra-fine sands that typically end up in settling ponds, the HI-G® machine helps reduce pond maintenance, lower costs, and even turn waste into a valuable product. With zero-maintenance motors, 3-panel and 4-panel options, and award-winning 24/7 field support, the Derrick HI-G® Dewatering Machine delivers performance you can count on—anytime, anywhere.

Imhoflot G-Cell

• The Imhoflot G-Cell is a new development in the pneumatic flotation technology that improves grade-recovery curve and increases the range of mineral particle sizes which can be recovered, both ultrafine and coarse.
• This is achieved through the higher energy dissipation for the bubble-particle attachment and the superior froth draining which reduces gangue entrainment.