In early 2017, Couch Aggregates conducted side-by-side testing of two industry-leading mobile screening plants. The company ultimately chose to buy two GT205 Multi-Frequency Screening Plants from Astec Mobile Screens, which gave it the ability to scalp off the oversize rocks and organic material, remove the unwanted fine material and capture an intermediate product of ¼” by 2” rock. The GT205 Multi-Frequency Screen is a 5’ x 20’, track-mounted plant featuring a conventional screen on the top deck and high-frequency screen on the bottom deck. The unique combination of high frequency and conventional screens in one self-contained unit puts more energy into the screening process, creating a powerful machine capable of increasing capacity by up to 50 percent on the bottom deck. “It’s a game changer in the sand and gravel market,” said Zack Gradwell, Georgia sales manager for Stone Equipment Company, who worked with Couch Aggregates to help the company find the perfect screening tool for its operation. “The GT205 Multi-Frequency Screen handles nasty material better than any screen I’ve seen. We’ve had competitive units out here and none of them were able to put out the production we’ve been able to put out in this sandy, wet, clay-rich material.”

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