All HafcoVac industrial air-powered vacuums operate using compressed air. The air supply requirement is determined by your application and the availability of your air supply. The power and performance of the HafcoVac venturi is determined by the amount of air consumed. Increased CFM results in being higher performing units.
There are many factors that will help you determine if your compressor is adequate. Horsepower, tank size, plumbing and current utilization all play a role. Your compressor must be able to deliver a minimum of 60 or 100 CFM @ 90 PSI, depending on which HafcoVac model you choose. A general rule of thumb is that most compressors are capable of delivering 4 CFM at 90PSI for every horsepower they are rated. For example, a 5 HP compressor typically will deliver 5HP x 4 CFM/HP = 20 CFM. HafcoVac recommends the following minimum compressor size to power our vacuums:
HafcoVac Minimum Compressor Size
18 CFM Models
5 HP Minimum
48 CFM Models
10 HP Minimum
85 CFM Models
20 HP Minimum
185 CFM – Dual Venturi Models
40 HP Minimum
While HafcoVac vacuums will operate when air supply doesn’t meet specifications, please be aware that performance will be greatly reduced. If you are unsure if your facility’s air supply is capable of delivering the minimum requirements, choose the next size down. A 60 CFM pneumatic vac properly supplied will outperform a larger undersupplied model.
COMPRESSOR REQUIREMENT (AIRFLOW) |
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| AIR REQUIREMENTS |
HOSE LENGTH MAX (feet) |
H20 LIFT (inches) |
Hg (inches) |
MODEL NUMBER |
| 18 CFM | 12′ | 96″ | 12″ | HV-30-1520 |
| 48 CFM | 25′ | 144″ | 15″ | HV-30-1560 HV-55-1560 |
| 85 CFM | 50′ | 180″ | 17″ | HV-30-1510 HV-55-2010 |
| 185 CFM | 100′ | 264″ | 19″ | HV-55-15185 HV-30-15185 HV-55-20185 HV-30-20185 |