INDUSTRIAL SILENCERS
| Intermittent | 15000 to 20000 FPM |
| Continuous | 10000 to 15000 FPM |
| Max. Allowable | 20000 FPM |
Rotary Positive Blower
5500 to 6500
Fan
Max. pressure drop 2 to 4" w.c. 4000 to 7500 FPM
Vacuum Pump Separators
4000 to 6000 FPM
Steam Ejectors
Match connection size of discharge
Max. pressure drop 5 to 10" w.c. 4000 to 8000 FPM
Vent & Blowdown to atmosphere
| Single acting | 2000 to 3000 FPM |
| Double acting | 4000 to 5000 FPM |
Centrifugal Compressor
Maximum pressure drop 2" to 4" w.c. 3000 to 7500 FPM
Reciprocating Compressor Intake
| Low speed (< 350 RPM) | 4000 to 7000 FPM |
| Medium speed (350 to 1200 RPM) | 6000 to 9000 FPM |
| High speed (> 1200 RPM) | 8000 to 10,000 FPM |
| Turbo charged (All RPM’s) | 5000 to 10,000 FPM |
| Max. allowable | 12,000 FPM |
Engine Exhaust
| 4-cycle | 4000 to 6000 FPM |
| 2-cycle | 4000 to 6000 FPM |
Optimize velocity limit, nominal size selection and allowable pressure drop.
Engine Intake