Model K4-12-EN Air Alarm

Lead Time: 8 Weeks

Kahlenberg Model "K" Horns are powerful signals backed by years of successful performance in coal yards, chemical plans, open pit mines and industrial facilities throughout the world.

Kahlenberg Model "K" Horns are powerful signals backed by years of successful performance in coal yards, chemical plans, open pit mines and industrial facilities throughout the world. All of these horns and whistles are designed to operated indoors as well as in the most severe outdoor applications. They are simply constructed and extremely reliable resulting in a very low cost of use as compared to more complicated means of sound production.
 
  • Fully enclosed and heated air horn for corrosion and weather protection.
  • Dual tone, 311 Hz / 370 Hz (other frequencies available).
  • Combination valve set up allows for signaling of all 8 horns at once either manually or electrically controlled.
  • Solenoid valve comes standard with explosion proof coil and are available in 120VAC, 240VAC/50-60Hz or 12, 24, 48VDC
  • Dual Heaters supplied with thermostat preset to turn on at 4ºC[40ºF] and off at 16ºC[60ºF], 300 Watts total,120VAC
  • Horns constructed of cast aluminum with stainless steel hardware
More Information
Heated? Yes
Power Type Compressed Air
Coverage Area 8 KM / 5 Mile
Additional Specifications

Operating Medium: Air, nitrogen, CO2 - 1-1/4” NPT Air Inlet
Control: Manual, and Solenoid Combination valve
SPL (Loudness): 141 ± 1 dBA on total @ 1 meter
Air Consumption: 91 L/sec [192 SCFM] @ 7 bar [100 PSIG]
Audibility: 8 km [5 miles] in still air
Fundamental Frequency: 311 Hz / 370 Hz ± 20 Hz
Tone (Musical Note): Eb [E-flat] / F4 sharp
Operating Pressure: 2 – 10 bar [30 – 150 PSI]
Operating Temperature: -40ºC to +85ºC [-40ºF to +185ºF]
Finish: Painted red industrial epoxy
Degree of Protection: IP 56
Basic Dimension: 1086x1086x1600mm [42.75x42.75x63”]
Net Weight: 109 kg [240 lbs]