Coarse Materials Washers

GreyStone coarse material washers feature a unique adjustable screw shaft design, giving producers precise control over product specifications. The line consists of both single and twin screw models that process up to 2″ feed material. A variety of screw diameter sizes, from 24″ to 44″, are available with production capacities up to 500 TPH.

Features & Benefits:

  • The shaft-mounted gear reduction is totally enclosed within an oil-bath gear box and provides easy service
  • Motor and drive assembly parts required for routine maintenance are standard, off-the-shelf components for easy replacement
  • The heavy stub is mirror-smooth, heat-treated shafting is fitted into a hard stainless steel spacing sleeve
  • Adjustable screw shaft allows control the clearance between the belly pan and screw flights
  • Ni-Hard Wear Shoes as standard.
  • For tougher washing requirements, more paddles can be added to the screw shaft
  • Externally mounted pillow block bearings that are standard off-the-shelf components for easy replacement
  • Strong and rigidly constructed to provide years of maintenance-free service
  • Dirt and other extraneous matter is carried to the top and forced out with the overflow
  • Heavy-duty skid frame allows movement through pulling into place instead of using a crane

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