McMaster-Carr

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	Material Material

Brass/Bronze

Plastic

Brass

	Power Source Power Source

Air

Steam

	Volume Volume

	Pipe Size Pipe Size

	Height Height

	Diameter Diameter

1 1/2"

	Air Consumption Air Consumption

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18 Products

About Sound Levels

To choose an alarm or speaker that’s loud enough, first determine the decibel (dB) rating of background noise.

Brass

Plastic

Material	Color		Each
Nickel-Plated Brass	__	00000000	00000
Plastic	Black	00000000	0000

19" Black Nylon Neck Strap

00000000

Each

00000

Long-Distance Whistles

Apply air or steam pressure to produce a shrill tone and alert workers. Signal continues as long as pressure is applied.

Air or Steam Powered
Volume	Environment	Sound Pattern	Dia.	Ht.	Material	Air Consumption	Operating Pressure	Max. Input Pressure	Conduit Size	Thread Type	Gender		Each
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.

Air Powered
Volume	Environment	Sound Pattern	Dia.	Ht.	Material	Air Consumption	Operating Pressure	Max. Input Pressure	Conduit Size	Thread Type	Gender		Each
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

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