Reverse Air (RA) Central Collector
C&W's Reverse Air Dust Collector is our most popular unit because of its ruggedness, durability, user-friendliness, and proven-technology. Reverse Air dust collectors have multiple compartments that are configured very similar to the old style shaker units. Dirty air enters the bottom of the filter bags and dust is collected on the inside of the fabric. The compartments are cleaned in a sequence, set by adjustable timers.
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Features:
Easy to Maintain
- Tool-less Exchange of Filter Media
- Top Entry for Clean Side Filter Exchange
- Efficiency
- 99.9% Filtration Efficiency*
- High level Entry for Contaminated Air
- Snap-in Bags/Cages with Venturi
- Performance
- Mini-helic Gauge
- Hopper Vibrator
- Reliable, Easy to Operate
- Solid State Adjustable Timers w/ LED Display
- Long-Lasting, Durable
- 10 Gauge, Corrugated Steel Construction
- Safety, OSHA-Compliant
- Ladders, Platforms, and Handrails
Options:
Manual or Automatic Recycle Systems - Custom Shrouds and Snorkels
- Silo Anti-Overfill System
- Screw Conveyor with "V" Hopper
- On Demand Smart Systems
- Available in Mobile Units
- Additional Services:
- Turn-Key Installations
- Customized Layouts
- Start-up and Maintenance Training
- Professional Consultation
Specifications:
| Specification |
RA-120 |
RA-140 |
RA-170 |
RA-200 |
RA-280 |
RA-340 |
| Total Filtration Area (sq. ft.) |
955 |
1433 |
1734 |
2148 |
2865 |
3468 |
| Number of Bags |
48 |
72 |
72 |
108 |
144 |
144 |
| Bag Length |
114" |
114" |
138" |
114" |
114" |
138" |
| Overall Height |
21' 6" |
23' 8" |
25' 8" |
23' 8" |
25' 4" |
27' 4" |
| Overall Width |
8' |
10' 4" |
10' 4" |
10' 4" |
10' 7" |
10' 7" |
| Overall Length |
9' 2" |
9' 2" |
9' 2" |
11' |
17' 5" |
17' 5" |
| Approx. Weight (lbs.) |
5,600 |
7,200 |
8,200 |
9,200 |
10,500 |
12,400 |
| Air to Cloth Ratio (ACFM/Ft.2) |
5.2 |
4.54 |
4.61 |
4.66 |
4.54 |
4.33 |
| Blower Horsepower (optional) |
10 |
10 |
15 |
20 |
25 |
25 |
| Blower CFM |
5,000 |
6,500 |
8,000 |
10,000 |
13,000 |
15,000 |
| No. of Compartments |
2 |
2 |
2 |
2 |
4 |
4 |
| Min. Design Efficiency* |
99.9% |
99.9% |
99.9% |
99.9% |
99.9% |
99.9% |
| Cleaning Mechanism |
Reverse Air |
Reverse Air |
Reverse Air |
Reverse Air |
Reverse Air |
Reverse Air |
| *At Standard Test Conditions | ||||||
Principles of Operation:
The Reverse Air design uses low-pressure air to collapse the bags. The bags clean as they are collapsed and re-inflated a number of times. The collected material then falls to the hopper below, where it is available to be recycled by the optional recycle system. This type of collector is more expensive than the shaker design, but the advantage of multiple compartments allows for higher dust concentrations and continuous use. As a compartment is cleaning the bags, the remaining compartments filter the air. The Reverse Air unit works well for material that is easily removed from filter media. The Reverse Air requires electricity and minimal compressed air.
The largest RA Central C&W manufactures is 75,000 CFM, with the smallest offering 5000 CFM.
C&W's RA Series Collectors can be used on numerous dust applications, including but not limited to: Cement, Chalk, Clay, Coal, Coke, Fly Ash, Glass, Gold Ore, Lime, Gypsum, Paint Pigments, Sands, Salt, Slate, Soap, and Talc.
Click here for information on Cartridge Pulse Central Collectors or Bag-Pulse Jet.