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.
Specifications:
|
SINGLE SCREWS |
||||||||
|
Size |
Screw |
Tub |
Tons/hr |
RPM |
hp |
Max |
Water |
Empty |
|
24" x 18' |
24" |
18' |
60-75 |
40 |
15 |
2" |
300-400 |
7,500 |
|
30" x 18' |
30" |
18' |
100-125 |
35 |
20 |
2" |
300-500 |
8,600 |
|
30" x 24' |
30" |
24' |
100-125 |
35 |
25 |
2" |
250-500 |
10,550 |
|
36" x 18' |
36" |
18' |
150-175 |
30 |
25 |
2" |
400-600 |
10,880 |
|
36" x 28' |
36" |
28' |
150-175 |
30 |
30 |
2" |
400-600 |
13,830 |
|
44" x 20' |
44" |
20' |
200-250 |
26 |
30 |
2" |
500-750 |
14,200 |
|
44" x 32' |
44" |
32' |
200-250 |
26 |
50 |
2" |
500-750 |
18,300 |
| TWIN SCREWS | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Screw Diameter | Tub Length | Tons/hr | RPM | hp | Max Mat'l Size | Water Req. G.P.M. | Empty Est. Weight |
| 30" x 18' | 30" | 18' | 200-250 | 35 | 2-20 | 2" | 500-700 | 13,080 |
| 30" x 24' | 30" | 24' | 200-250 | 35 | 2-25 | 2" | 600-1000 | 18,900 |
| 36" x 18' | 36" | 18' | 250-300 | 30 | 2-25 | 2" | 700-1200 | 16,000 |
| 36" x 28' | 36" | 28' | 250-300 | 30 | 2-30 | 2" | 700-1200 | 21,900 |
| 44" x 20' | 44" | 20' | 450-500 | 26 | 2-30 | 2" | 1000-1500 | 27,000 |
| 44" x 32' | 44" | 32' | 450-500 | 26 | 2-50 | 2" | 1000-1500 | 35,000 |
