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About Sound Levels
Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.
Enclosure-Cooling Vortex Tubes
Vortex tubes convert compressed air into a stream of cold air to keep electronics within enclosures from overheating while also keeping dust and other contaminants out. These vortex tubes chill compressed air by 50° F or more. They include a ducting kit to distribute cool air throughout the enclosure. All are rated NEMA 12 to resist dirt, light water splashes, and oil/coolant dripping.
Replacement filters are sold separately.
Vortex Tubes | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Air Inlet | Overall | Replacement Filters | |||||||||||
| Cooling Cap., Btu/hr. | Airflow, cfm | Pipe Size  | Thread Type | Gender | Required Air Pressure, psi | Volume, dBA | Dia. | Ht. | For Opening Dia. | Each | Each | ||
Aluminum—NEMA 12 | |||||||||||||
| 400 | 5 | 1/8 | NPT | Male | 80-100 | 53 | 7/8" | 7 1/16" | 1 1/8" | 0000000 | 0000000 | 0000000 | 0000000 |
| 900 | 15 | 1/4 | NPT | Female | 80-100 | 75 | 1 3/4" | 10 3/4" | 1 1/8" | 0000000 | 000000 | 0000000 | 000000 |
| 1,500 | 25 | 1/4 | NPT | Female | 80-100 | 75 | 1 3/4" | 10 3/4" | 1 1/8" | 0000000 | 000000 | 0000000 | 000000 |
| 2,500 | 35 | 1/4 | NPT | Female | 80-100 | 85 | 1 3/4" | 10 3/4" | 1 1/8" | 0000000 | 000000 | 0000000 | 000000 |