Volume Volume |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Material Material |
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Air Consumption Air Consumption |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Sound Levels
To choose an alarm or speaker that’s loud enough, first determine the decibel (dB) rating of background noise.
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Long-Distance Whistles
Apply air or steam pressure to produce a shrill tone and alert workers. Signal continues as long as pressure is applied.
| Volume | Environment | Sound Pattern | Dia. | Ht. | Material | Air Consumption | Operating Pressure | Max. Input Pressure | Conduit Size  | Thread Type | Gender | Each | |
Air or Steam Powered | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 116 dB @ 10 ft. 86 dB @ 100 ft. | Outdoor | Continuous | 2" | 11 1/4" | Brass/Bronze | 3.7 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1/2 | NPT | Female | 0000000 | 0000000 |
| 118 dB @ 10 ft. 88 dB @ 100 ft. | Outdoor | Continuous | 1 1/2" | 9" | Brass/Bronze | 1.4 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 3/8 | NPT | Female | 0000000 | 000000 |
| 126 dB @ 10 ft. 96 dB @ 100 ft. | Outdoor | Continuous | 1" | 4 1/2" | Brass/Bronze | 0.9 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1/4 | NPT | Female | 0000000 | 000000 |
| 126 dB @ 10 ft. 96 dB @ 100 ft. | Outdoor | Continuous | 3" | 13" | Brass/Bronze | 4.6 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 3/4 | NPT | Female | 0000000 | 000000 |
| 136 dB @ 10 ft. 106 dB @ 100 ft. | Outdoor | Continuous | 6" | 25" | Brass/Bronze | 14 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1 1/2 | NPT | Female | 0000000 | 00000000 |
Long-Distance Whistles with Valve
The quick-opening valve on these whistles allows manual operation—pull the valve while air or steam pressure is being applied to produce a shrill tone and alert workers. The valve has a hole for attaching chain.
| Volume | Environment | Sound Pattern | Dia. | Ht. | Material | Air Consumption | Operating Pressure | Max. Input Pressure | Conduit Size | Thread Type | Gender | Each | |
Air Powered | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 116 dB @ 10 ft. 86 dB @ 100 ft. | Outdoor | Continuous | 2" | 15 1/2" | Brass/Bronze | 3.7 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1/2 | NPT | Female | 0000000 | 0000000 |
| 118 dB @ 10 ft. 88 dB @ 100 ft. | Outdoor | Continuous | 1 1/2" | 12" | Brass/Bronze | 1.4 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 3/8 | NPT | Female | 0000000 | 000000 |
| 126 dB @ 10 ft. 96 dB @ 100 ft. | Outdoor | Continuous | 1" | 7" | Brass/Bronze | 0.9 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1/4 | NPT | Female | 0000000 | 000000 |
| 126 dB @ 10 ft. 96 dB @ 100 ft. | Outdoor | Continuous | 3" | 17 3/4" | Brass/Bronze | 4.6 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 3/4 | NPT | Female | 0000000 | 000000 |
| 136 dB @ 10 ft. 106 dB @ 100 ft. | Outdoor | Continuous | 6" | 29 3/4" | Brass/Bronze | 14 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1 1/2 | NPT | Female | 0000000 | 00000000 |
Steam Powered | |||||||||||||
| 116 dB @ 10 ft. 86 dB @ 100 ft. | Outdoor | Continuous | 2" | 15 1/2" | Brass/Bronze | 3.7 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1/2 | NPT | Female | 0000000 | 000000 |
| 118 dB @ 10 ft. 88 dB @ 100 ft. | Outdoor | Continuous | 1 1/2" | 12" | Brass/Bronze | 1.4 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 3/8 | NPT | Female | 0000000 | 000000 |
| 126 dB @ 10 ft. 96 dB @ 100 ft. | Outdoor | Continuous | 1" | 7" | Brass/Bronze | 0.9 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1/4 | NPT | Female | 0000000 | 000000 |
| 126 dB @ 10 ft. 96 dB @ 100 ft. | Outdoor | Continuous | 3" | 17 3/4" | Brass/Bronze | 4.6 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 3/4 | NPT | Female | 0000000 | 000000 |
| 136 dB @ 10 ft. 106 dB @ 100 ft. | Outdoor | Continuous | 6" | 29 3/4" | Brass/Bronze | 14 cfs @ 100 psi | 50-200 psi | 200 psi @ 550° F | 1 1/2 | NPT | Female | 0000000 | 00000000 |
Electronic Whistles
These whistles operate with the press of a button instead of your mouth, allowing multiple people to use them while lowering the risk of spreading germs. Since you don’t have to blow into them, you can give verbal directions as you sound an alarm, and winded or injured people can easily activate them in an emergency. All of these whistles generate a loud, consistent sound in three different tones. Switch between the tones by pressing the button. Use the included detachable wrist strap or an optional neck strap to keep them close at hand.