Vertical Shaft Impactors

Overview

The efficient and versatile design of the Astec vertical shaft impactors (VSI) delivers highly consistent end products for jobs that demand precision. 

Astec VSI crushers are available in both stationary and portable configurations and produce up to 500 tons per hour. With the ability to run in standard, semi-autogenous and fully autogenous configurations, our models meet the most stringent material specs, allowing you to meet the challenges of any job you face. 

Vertical shaft impactor (VSI) animation

Applications

  • Aggregates

    There are two main classes of aggregates: natural and manufactured. Deleterious material needs to be removed from both classes. Processing these materials typically requires various steps including reduction and sizing and also may include dewatering and sorting. Producers can use a variety of crushing, screening, dewatering and conveying equipment to meet their desired specifications.
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    • Construction

      Construction projects today depend on an available supply of quality concrete mix. With the most comprehensive line of concrete production equipment in the industry, Astec is ready to help meet that demand.
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    • Construction Aggregates

      Construction aggregate is typically medium or coarse materials like granite, limestone or trap rock, sand, gravel, slag or recycled concrete. Processing this material may include reducing its size with a crusher, sizing the crushed material with a screen and conveying the material into different stockpiles.
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      • Construction & Demolition Recycling

        Construction and demolition recycling (C&D) is mixed material associated with construction and demolition. The material could include wood, cardboard, gypsum, plastic, metal, wire, roofing shingles, asphalt, concrete and more. By separating and recycling different materials it reduces landfill waste and associated costs, while also producing value-added products.
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      • Crushed Stone

        Crushed stone is a versatile product that can be used in a wide range of applications from construction to road building and even agriculture. Processing this material may include reducing its size with a crusher, sizing the crushed material with a screen and conveying the material into different stockpiles. 
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        • Sand & Gravel

          Aggregates, when gathered, may contain clays, silts and other deleterious material that needs to be processed out for commercial-grade products.
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          • Road Building - Concrete

            Astec's comprehensive line of concrete plants delivers high-quality and durability for the roadbuilding industry with an extensive selection of high-production plants and mixers.

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          Key Specifications

          All specifications subject to change without notice.

          Features

          • VSI Application Flexibility

            • Multiple configurations: shoe table, rotor, anvil ring, rock shelf 
            • Configurations offer proper internal crusher geometry 
            • Maximum production, lowest cost 

          • Hydra-Arm

            • Lifts crusher lid 360° for internal viewing 
            • Safe and easy maintenance 
            • Lid equipped with bolt-on liners and large inspection doors 

          • Externally-Adjustable Feed Tube

            • Heavy-duty construction 
            • Reduces excessive wear compared to non-adjustable systems 
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          Related Products

          • Horizontal Shaft Impactors

          • Hybrid Horizontal Shaft Impactors