RECOMMENDED VELOCITY LIMITS

Optimize velocity limit, nominal size selection and allowable pressure drop.

 Engine Intake

4-cycle

4000 to 6000 FPM

2-cycle

2000 to 3000 FPM


Engine Exhaust

(All 4 & 2 cycle)
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


 

Centrifugal Compressor

Max. pressure drop 2 to 4" w.c.

3000 to 7500 FPM


Reciprocating Compressor Intake

Single acting

2000 to 3000 FPM

Double acting

4000 to 5000 FPM

 

Rotary Positive Blower

5500 to 6500 FPM


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

Intermittent

15,000 to 20,000 FPM

Continuous

10,000 to 15,000 FPM

Max. allowable

25,000 FPM



All recommendations are general good practice guidelines. Consult the factory for special recommendations.


 

Made In

USA


Home About Accessories Catalog Demo Gallery Pipe Chart Representatives Site Map Technical Warranty

 

Copyright © 2009 Vibration And Noise Engineering Corporation   -  All rights Reserved.      Charlie

Rev:09/03/2009