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DSI Sandwich belt high angle conveyors can be found around the world.

Marietta, GA – Founded in 1997, on the experience and accomplishments of its name sake, Joseph A. Dos Santos.  Dos Santos International (DSI) is high experienced in sales, engineering and construction of bulk materials handling systems and equipment.  This has included major contributions that have expanded the range of bulk handling and transport solutions.  Most notably, advances in sandwich belt high angle conveyors have led to their worldwide utilization.  The expertise of DSI spans a wide range of materials handling systems and equipment including high angle conveyors, high-powered, high-capacity, high-lift slope conveyors and long overland conveyors are utilizing the very latest technology.

DSI Sandwich belt high angle conveyors take on many forms and offer many advantages.  Each DSI Sandwich conveyor uses two standard, smooth-surfaced conveyor belts, face-to-face, to gently but firmly contain the product being carried.  This not only makes steep angles possible.  It also offers a spillage free, environmentally sound operation because the material remains sealed between the carrying and cover belts.  The use of all conventional conveyor parts ensures high availability and low maintenance costs, as well as interchangeability of components and fast delivery of replacement parts.  A DSI sandwich conveyor is capable of higher conveying speeds and greater capacity than other high angle conveying methods.  The availability of wide belts and hardware makes capacities greater than 10,000 t/h easily achieved with the DSI Sandwich conveyor.  High angles of 90° are typical, and lifts of 300m are easily accomplished.

DSI Sandwich conveyors offer the following advantages:

  • Unlimited conveying capacity
  • A system suitable for the most rugged mine applications, yet gentle on sensitive and friable materials
  • High availability and low operating and maintenance costs
  • Smooth surfaced belts allow continuous belt cleaning by scrapers and plows. This also facilitates intermediate material discharge by belt plows, as appropriate, before and/or beyond the sandwiched part of the profile.
  • All conventional conveyor hardware ensures economy and fast delivery of replacement parts.

Dos Santos-design sandwich belt conveyors have been proven in more than one hundred successful systems throughout the world over the past thirty years. DSI will continue to advance the state of the art and assure the company’s clients of the finest conveyor systems available today.

For information on this and many other DSI Sandwich Belt High Angle Conveyor installations, visit


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