MODEL K4-* Series, single tone air horns operate with compressed air, CO2 or Nitrogen gas.
Ruggedly built aluminum horns that feature die cast bells and caps with heavy sand cast bases. Available on different frequencies ranging from 311 Hz to 622 Hz.
Omni-Directional, Warm Weather Application
Mounting the horns to a central inlet base @ 90 degrees gives 360 degree all around sound coverage for use on large open pit mines, small hydro dams, ship yards, building projects, schools and industrial plants.
Model K4-1, 311 Hz  PDF
Model K4-2, 380 Hz PDF
Model K4-3, 470 Hz PDF
Model K4-4, 512 Hz PDF
Model K4-5, 622 Hz PDF
Omni-Directional, cold weather application
Model K4-1-EN-H-120, 311 Hz PDF
Model K4-1-SC-460-230 PDF
The K4-1-EN-H-120 is supplied complete with 120VAC solenoid valve, manual override lever, thermostatically controlled heater and pole mount steel enclosure.
The control solenoid voltage is available in 120VAC, 230VAC, 12VDC, 24VDC&VAC, 48VDC.
The K4-1-SC-460-230 includes a compressed air supply integral to the horn assembly. See the Technical Data above for details.
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K4-1 PDF
K4-1-EN-H-120 PDF
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