Model K4-1-ENHC Air Alarm

Lead Time: 4 weeks

Kahlenberg Model "K4-ENHC" 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 "K4-ENHC" 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.
 
  • Single tone, 311 Hz fundamental frequency, engineered to produce full harmonic contents up to 12 octave in order to enhance warning effectiveness
  • Extremely durable, ideal for use in industrial outdoor environments
  • Designed for top of pole or surface mount
  • Thermostatically controlled heaters included in horns and inside combination manual/electric valve enclosure for extreme weather conditions
  • Hermetically sealed stainless steel sounding diaphragm assembly
  • Solenoid/manual combination valve comes standard with explosion proof coil
  • Constructed of high strength cast aluminum and stainless steel fasteners
More Information
Heated? Yes
Power Type Compressed Air
Coverage Area 6 KM / 4 Mile
Additional Specifications

Control: Manual/Electric combination valve, 120 VAC Standard, other voltages available
SPL (Loudness) on Total: 140 ± 1 dBA @ 1 meter
Operating Medium: Air, nitrogen, CO2, 3/4” NPT inlet
Air Consumption: 44 L/Sec [96 SCFM] @ 7 bar [100 PSIG]
Audibility: 6 km on still air (3km radius)
Fundamental Frequency: 311 Hz ± 10 Hz
Tone (Musical Note): D4 sharp
Operating Pressure: 7 – 10 bar [100 – 150 PSI]
Operating Temperature: -40ºC to +85ºC [-40ºF to +185ºF]
Finish: Primed and painted safety red polyurethane
Degree of Protection: IP 56
Basic Dimension: 690x690x383mm [27x27x15”]
Net Weight: 23 kg [50 lbs]