Model 121021 1-1/4" St. St. High Temperature Air Amplifier
Applications
- Vent welding smoke
- Cool hot parts
- Dry wet parts
- Clean machined parts
- Distribute heat in ovens/molds
- Ventilate confined areas
- Dust collection
- Exhaust tank fumes
Advantages
Compared to Fans:
- Compact, lightweight, portable
- No electricity
- No moving parts - no maintenance
- Ends are easily ducted
- Instant on/off
- Variable force and flow
- No RF interference
Compared to Venturies and Ejectors:
- More air with lower compressed air consumption
- Higher flow amplification
- No internal obstructions
- Meets OSHA pressure and noise requirements
- Quiet
Super Air Amplifier Systems |
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Super Air Amplifiers are available in four different model types:
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| Model | Outlet Diameter | ||||
| 3/4" (19mm) | 1-1/4" (32mm) | 2" (51mm) | 4" (102mm) | 8" (203mm) | |
| Super Air Amplifier Only | 120020 | 120021 | 120022 | 120024 | 120028 |
| Super Air Amplifier Kit | 120220 | 120221 | 120222 | 120224 | 120228 |
| Deluxe Super Air Amplifier Kit | 120220DX | 120221DX | 120222DX | 120224DX | 120228DX |
| High Temperature Air Amplifier Only | N/A | 121021 | N/A | N/A | N/A |
| High Temperature Air Amplifier Kit | N/A | 121221 | N/A | N/A | N/A |
| Deluxe High Temperature Air Amplifier Kit | N/A | 121221DX | N/A | N/A | N/A |
| Super Air Amplifier Shim Set | 120320 | 120321 | 120322 | 120324 | 120328 |
High Temperature Air Amplifier Performance | ||||||||
| 80 PSIG (5.5 BAR) | Air Consumption | Amplification | Air Volume at Outlet | Air Volume at 6" (152mm) | Sound Level | |||
| Model # | SCFM | SLPM | RATIO | SCFM | SLPM | SCFM | SLPM | dBA |
| 121021 | 8.1 | 229 | 18 | 146 | 4,132 | 436 | 12,339 | 72 |
Tested with .003" (0.08mm) shim. | ||||||||
High Temperature Air Amplifier Dimensions | ||
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Model 121021High Temperature Air Amplifier | ||
| A | in | 0.84 |
| mm | 21 | |
| B | in | 0.94 |
| mm | 24 | |
| C | in | 1.50 |
| mm | 38 | |
| D | in | 2.40 |
| mm | 61 | |
| E | in | 3.03 |
| mm | 77 | |
| F | in | 0.27 |
| mm | 7 | |
| G | in | 0.21 |
| mm | 5 | |
| H | in | 0.75 |
| mm | 19 | |
| J | in | 1.22 |
| mm | 31 | |
| K | in | 2.88 |
| mm | 73 | |
| L | in | 0.59 |
| mm | 15 | |
| M | NPT | 1/4 |
High Temperature Air Amplifier Airflow Pattern | ||
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Model 121021High Temperature Air Amplifier | ||
| A | in | 2 |
| mm | 51 | |
| B | in | 2.9 |
| mm | 74 | |
| C | in | 4.7 |
| mm | 119 | |
| D | in | 6.5 |
| mm | 165 | |
How Air Amplifiers Work |
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Compressed air flows through the air inlet (1) into an annular chamber (2). It is then throttled through a small ring nozzle (3) at high velocity. This primary airstream adheres to the Coanda profile (4), which directs it toward the outlet. A low pressure area is created at the center (5), inducing a high volume flow of surrounding air into the primary airstream. The combined flow of primary and surrounding air exhausts from the Air Amplifier in a high volume, high velocity flow. |
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High Temperature Air Amplifier Standards and Certifications
EXAIR Air Amplifiers comply with OSHA's Safety Requirements, the EU General Product Safety Directive (2001/95/EC) and meet the noise limitation requirements of the EU Machinery Directive (2006/42/EC).All sound level measurements are taken at 3 feet away.
Look for this symbol to designate conflict mineral free products throughout our website. EXAIR supports Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act and we are committed to compliance with the conflict minerals rule in order to curb the illicit trade of tin, tantalum, tungsten and gold in the DRC region. EXAIR is using the CMRT 3.02 template to document our supply chain and commitment to conflict free products.
Efficiency Lab
Does your company currently use a blowoff product similar to EXAIR’s that you’d like us to evaluate? Ship it to the EXAIR Efficiency Lab! Our qualified staff will test it for FREE, using EXAIR’s calibrated testing equipment. We’ll compare the performance of your existing product (air consumption, effectiveness, noise levels, efficiencies, etc) with the EXAIR Intelligent Compressed Air® products. The results will be published in a comprehensive report that includes a cost savings analysis. For most applications, EXAIR products can help you improve your efficiency AND typically pay for themselves in a matter of weeks.
To participate in our Efficiency Lab testing, please complete this Product Efficiency Survey to give us the details about your current application and blowoff set up. If you have any questions, feel free to contact an Application Engineer at (800) 903-9247 or (513) 671-3322 or [email protected].
If you have questions about a product or you need help in determining the best model for your application, fill out our Application Assistance Worksheet! When you submit this information, one of our knowledgeable Application Engineers will respond with a recommendation for the EXAIR product best suited for the application.
If you would rather fax the form, you can download the Application Assistance Worksheet PDF, print the completed .pdf file, and fax it to us at (513) 671-3363.
For immediate help, call our Application Engineering Department at 1 800-903-9247.
Special Air Amplifiers
EXAIR will manufacture special Air Amplifiers suited to your specific application requirements. The Model 121021 High Temperature Air Amplifier was developed for moving hot air to surfaces requiring uniform heating while in a furnace or oven. Modeled after our Super Air Amplifier, the High Temperature Air Amplifier is the most efficient for pushing high volumes of hot air to points that typically remain cool. This special design is rated for environments up to 700°F (374°C) and its surface is protected from heat stress by a mil-spec. coating process (developed for the aircraft industry), allowing easy disassembly for changing shims or cleaning.
Another stainless steel version for flange mounting was developed as a fan back-up for exhausting flue gases from a furnace. In the event of a power failure, this special Air Amplifier can quickly evacuate the fumes that could be harmful to workers close by.
A PTFE plug was used with a stainless steel Adjustable Air Amplifier to help pull a sticky material through a process and prevent the material from depositing on the Air Amplifier. EXAIR's Intelligent Compressed Air® products can be manufactured to your special requirements.
If you have special requirements, please contact an Application Engineer to discuss it.
How to Determine Total Output Flow of a High Temperature Air Amplifier |
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Total Airflow: From the performance curves (above), determine total output flow for the High Temperature Air Amplifier at any pressure. Example: A Model 120021 at 60 PSIG (4.1 BAR) supply air pressure has a total output flow of 120 SCFM (3,398 SLPM). Air Consumption: Divide total output flow by the amplification ratio to determine air consumption for any Adjustable Air Amplifier at any air pressure. In the example above, the Model 120021 at 60 PSIG (4.1 BAR) supply air pressure has a total output flow of 120 SCFM (3,398 SLPM). Dividing this total output flow by its amplification ratio of 18 gives an air consumption of 6.7 SCFM (189 SLPM). |
Air Amplifier Model Selection Guide | ||||||
| Efficiency | Sound Level | Mounting Flange | Flow Adjustment | Temperature Rating | Corrosive Applications | |
| Super Air Amplifier | High | Low | Yes | With Shims | 275F° (135C°) | No |
| Aluminum Adjustable Air Amplifier | Medium | Variable | No | Infinite (no Shims) | 275F° (135C°) | No |
| Stainless Steel Adjustable Air Amplifier | Medium | Variable | No | Infinite (no Shims) | 400F° (204C°) | Yes |
| High Temperature Air Amplifier | High | Low | No | With Shims | 700F° (374C°) | Yes |
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Model 121021 1-1/4" Alum. High Temperature Air Amplifier -
High Temperature Air Amplifiers help circulate air in a hot drying oven.