Astec Drum Comparison Chart
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UniDrum® | Double Barrel® | Double Barrel® X™ | Double Barrel® XHR™ |
*Max Recycle at 5% RAP Moisture **50% is achieved with patented V-Pac |
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0% | ||||
30% | |||||
40% | |||||
50% | X** | X | X | ||
65% | X | ||||
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150 | X | |||
180 | X | ||||
200 | X | X | X | ||
250 | X | X | X | ||
300 | X | X | X | X | |
400 | X | X | X | X | |
500 | X | X | X | X | |
600 | X | X | X | X | |
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Enhanced Materials | NO | NO | NO | YES |
Veiling End Drum Shell Material | Heat-Resistant Steel | Structural Steel | Structural Steel | Structural Steel | |
Burner End Drum Shell Material | Heat-Resistant Steel | Heat-Resistant Steel | Heat-Resistant Steel | Stainless Steel | |
Combustion Flighting Materials | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | |
Warm Mix System | Optional | Optional | Optional | Standard | |
V-PAC | Optional | Optional | Optional | Standard | |
Self-Cleaning Drum | N/A | YES | N/A | N/A | |
Mixing Location | All Constituents Mixed Behind the Extended Burner Nose | All Constituents Mixed in Outer Shell of Double Barrel | Recycle, Baghouse Dust, and Additives Mixed in Outer Shell of Double Barrel; AC Added in External Mixer | Recycle, Baghouse Dust, and Additives Mixed in Outer Shell of Double Barrel; AC Added in External Mixer |