Kahlenberg K4-25, 2.5 Mile Dual Tone Air Alarm

Omni-directional dual tone design provides for even coverage over a 2.5 mile radius in all directions.Horn is energy efficient with hermetically sealed diaphragm assembly which operates on a wide range of pressure without tuning or adjustment.Horn construction: High strength aluminum casting, stainless steel diaphragm discs and fasteners.Operates with electric solenoid or other actuating valves of 1-1/4" pipe size or greater.Product Specifications LENGTH INCHES23-3/4 WIDTH INCHES23-9/16 HEIGHT INCHES9-7/8 CONSTRUCTIONCast Aluminum and Stainless Steel MANUFACTURERS PART NUMBERK4-25 VOLTAGE--- WEIGHT LBS.54 BRANDKahlenberg DECIBEL142 dB(A) @ 1M FREQUENCY370/620 Hz PRESSURE REQUIRED50-150 p.s.i. PRODUCT GROUPMass Notification Horn AVERAGE AIR CONSUMPTION192 SCFM AIR CONNECTION1-1/4 FNPT