National Turbines Blowers and Exhausters cover a wide range of performances that can duplicate the flow and pressure/vacuum requirements of many Hoffman™units. While these are not drop-in replacments, they are similiar in size shape and construction.
Data Sheets
| Hoffman Model | NTC Model | Dimensional Equal | Performance Equal | Drawing Number |
|---|---|---|---|---|
| 41 Series* | NT331 Series | CLOSE | YES | CI-4010 |
| 42 Series* | NT442 Series | EXACT | YES | CI-4018 |
| 42B Series* | NT442 Series | EXACT | YES | CI-4018 |
| 383*/384*/741 Series | NT881 Series | CLOSE | YES | CI-4040 |
| 383*/384*/741 Series | NT882 Series | CLOSE | YES | CI-4050 |
| 742 Series | NT883 Series | CLOSE | YES | CI-4055 |
| 385*/751 Series | NT1221 Series | CLOSE | YES | CI-4061 |
| 385*/751 Series | NT1222 Series | CLOSE | YES | CI-4062 |
| 385*/751 Series | NT 1226 Series | CLOSE | YES | CI-4064 |
| 752 Series | NT1223 Series | CLOSE | YES | CI-4063 |
| 761 Series | NT1441 Series | CLOSE | YES | CI-4070-01 |