Bartlett-Snow™  rotary  pilot plant equipment is ideal for laboratory, pilot plant and low volume production.  Bartlett-Snow™ Rotary Calciners -  these standard calciners are designed to indirectly heat process material up to temperatures as high as 1300°C under oxidizing, inert or reducing atmospheres. » Cylinder dimensions: 6-1/2" diameter x 3' or 6' heated length » Weight for 3' heated unit: 2,200 lbs. » Weight for 6' heated unit: 4,400 lbs. Bartlett-Snow™ Rotary Kilns  - for the direct heating of process material up to temperatures as high as 1500°C oxidizing or mildly reducing atmospheres. » Cylinder dimensions: 24" diameter x 12'-6" long » 4-1/2" thick refractory lining » Weight 6,600 lbs. » Material temperatures to 2,800°F   Bartlett-Snow™Rotary Dryers  - for drying process materials that can be brought into direct contact with the products of combustion. » Cylinder dimensions: 6" diameter x 3' long » Weight for gas heated unit: 330 lbs. » Weight for steam heated units: 440 lbs. » Inlet gas temperature 800°F (gas) & 350°F (steam) › Locate a Salesperson