CA-4 Marine and Industrial Alarm System *EFFECTIVE OUTDOOR COVERAGE OF UP TO 2 KILOMETERS This high quality, resilient air horn is perfect for fire alarm and general industrial signaling applications Ideal for use in hazardous and corrosive environments Efficient design with low air consumption Fine tuning capability with adjustable ring Omni-directional design provides for even coverage in all directions. Also available as a kit with solenoid and/or manual valve and mounting bracket Horn construction: Durable, solid cast bronze bell with stainless steel diaphragm disc Signal will produce a sound pressure level of approximately 70 dB @ 1.3 km in calm, cool conditions without topographical interference. Signal strength at distance can vary dramatically depending on environmental and geographical conditions. Please consult factory for more detailed information. Manual, solenoid or combination valve SPL (Loudness) on Total: Operating Medium: Air Consumption: 133 ± 1 dBA @ 1 meter Air, nitrogen, CO2, 1/2” NPT inlet 28 L/sec [60 SCFM] on 7 bar [100 psi] Audibility: Fundamental Frequency: Tone (Musical Note): Operating Pressure: Operating Temperature: Finish: Degree of Protection: Basic Dimension: Net Weight: Kahlenberg Industries, Inc. 1700 12th Street, P.O. Box 358 Two Rivers, Wisconsin, 54241 Phone: (920) 793-4507 / Fax: (920) 793-1346 Website: ww