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K4-1 Air Alarm

Product catalog summary

Product Overview: The Kahlenberg Industries Omni-Directional, Single Tone Industrial Air Horn is designed for effective warning signals with a single tone at a fundamental frequency of 311 Hz. It is engineered to produce full harmonic contents up to 12 octaves, enhancing its warning effectiveness.

Specifications:

Sound Pressure Level: Approximately 70 dB at 3 km in optimal conditions, with a total loudness of 140 ± 1 dBA at 1 meter.
Operating Medium: Compatible with air, nitrogen, and CO2, featuring a 1-1/4” NPT inlet.
Control Options: Manual, solenoid, or combination valve.
Consumption: 44 L/sec [96 SCFM] at 7 bar [100 PSIG].
Audibility Range: Effective up to 6 km in still air.
Operating Pressure: 5-10 bar [72-145 PSI].
Operating Temperature: -40ºC to 85ºC [-40ºF to 185ºF].
Finish: Primed and painted red.
Protection Degree: IP 54.
Dimensions: 690x690x229mm [27x27x9”].
Weight: 16.5 kg [36 lbs].

Construction and Durability: The air horn is constructed with high-strength aluminum casting and stainless steel fasteners, ensuring durability and long-term performance without the need for tuning or field adjustments.

Additional Notes: The signal strength can vary based on environmental and geographical conditions. For detailed information, consulting the factory is recommended.

Catalog excerpts

K4-1 Omni-Directional, Single Tone Industrial Air Horn *EFFECTIVE OUTDOOR COVERAGE OF UP TO 6 KILOMETERS Single tone, 311 Hz fundamental frequency, engineered to produce full harmonic contents up to 12 octave in order to enhance warning effectiveness Energy efficient with hermetically sealed stainless steel diaphragm assembly Will operate on a wide range of pressure without tuning and field adjustments for years of trouble-free service Construction: High strength aluminum casting and stainless steel fasteners Signal will produce a sound pressure level of approximately 70 dB @ 3 km in calm, cool conditions without topographical interference. Signal strength at distance can vary dramatically depending on environmental and geographical conditions. Please consult factory for more detailed information. Operating Medium: Control: Air, nitrogen, CO2, 1-1/4” NPT inlet Manual, solenoid or combination valve SPL (Loudness) on Total: Consumption: 140 ± 1 dBA @ 1 meter 44 L/sec [96 SCFM] @ 7 bar [100 PSIG] Audibility: Fundamental Frequency: Tone (Musical Note): 6 km (3km radius) on still air 311 Hz ± 10 Hz D4 sharp Operating Pressure: Operating Temperature: Finish: Degree of Protection: Basic Dimension: Net Weight: Kahlenberg Industries, Inc. 1700 12th Street, P.O. Box 358 Two Rivers, Wisconsin, 54241 Phone: (920) 793-4507 / Fax: (920) 793-1346 Website: www.kahlenberg.com Email: in

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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