Model K4-25 Air Alarm

Lead Time: 6 weeks

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

Kahlenberg Model "K" Air Alarms are powerful signals backed by years of successful performance in coal yards, chemical plants, open pit mines and industrial facilities throughout the world. All of these horns and whistles are designed to operate 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 wide area warning.
 
  • Dual tone, 370 and 622 Hz fundamental frequency, engineered to produce full harmonic contents up to 12 octave in order to enhance warning effectiveness
  • Ideal for high-noise industrial areas, 8 km/5 mile audibility range
  • Energy efficient with hermetically sealed stainless steel diaphragm assembly
  • Will operate on a wide range of pressure without tuning or adjustment for years of trouble free service
  • Constructed of high strength cast aluminum and stainless steel fasteners
More Information
Heated? No
Power Type Compressed Air
Coverage Area 8 KM / 5 Mile
Additional Specifications

Control: Manual, solenoid or combination valve
SPL (Loudness) on Total: 142 ± 1 dBA @ 1 meter
Operating Medium: Air, nitrogen, CO2, 1-1/4” NPT inlet
Air Consumption: 90 L/Sec [190 SCFM] @ 7 bar [100 PSIG]
Audibility: 8km [5 miles] on still air
Fundamental Frequency: 370 and 622 Hz ± 10 Hz
Operating Pressure: 3 – 10 bar [50 – 150 PSI]
Operating Temperature: -4ºC to +85ºC [25ºF to +185ºF]
Finish: Painted red industrial epoxy
Degree of Protection: IP 54
Basic Dimension: 601x601x351mm [24x24x14.7”]
Net Weight: 24.5 kg [54 lbs]