Our Quick Selection Charts will help you "zero in" on the correct vacuum or pressure model quickly.
- Decide if you want Vacuum or Pressure
- Review the general capacity and pressure range
- Click the appropriate link
If you are unsure of the type of product you need, refer to Industries and Applications, Products, Operating Principles, or contact us for assistance.
| Usage |
Pump Type |
Capacity |
Pressure |
Chart Number |
VACUUM
General Industrial |
Rotary Vane Recirc. Oil lube |
7–918
ACFM |
29.9”HgV |
Chart 1 |
VACUUM
Where Oil usage is unacceptable |
Rotary Vane
Dry Running(Oil-Free) |
3–360
ACFM |
25.5”HgV |
Chart 2 |
VACUUM
No rubbing parts, longer life, ultimate
reliability |
Regenerative Blowers (Contact-less) |
12–825
ACFM |
188 in. water (13.8”HgV) |
Chart 3 |
VACUUM
Higher Vacuum Contactless for Industrial
applications |
COVAC
ZEPHYR(Contact-less) |
60-353
ACFM |
25.5”HgV |
Chart 4 |
VACUUM
Chemical/Process Applications, hard to
handle gases/vapors |
Rotary Vane Once Thru Oil |
7–706
ACFM |
29.91”HgV |
Chart 5 |
VACUUM
Chemical, Pharmaceutical, Bio-technology,
Process Applications |
Rotary Screw
Dry Running(Oil-Free) |
0–1580
ACFM |
0.01 torr |
Chart 6 |
PRESSURE
Where Oil usage is unacceptable |
Rotary Vane
Dry Running(Oil-Free) |
3–359
SCFM |
29 psig
Maximum |
Chart 7 |
PRESSURE
No rubbing parts, longer life, ultimate
reliability |
Regenerative Blowers (Contact-less) |
12–825
SCFM |
267 in. water (9.65 psig) |
Chart 8 |
PRESSURE
Higher Pressure Contact-less for
Industrial applications |
COVAC
ZEPHYR(Contact-less) |
60-353
ACFM |
32 psig |
Chart 9 |
