Pneumatic horn S-330-DVM-H
for ships 20-75 m

pneumatic horn
pneumatic horn
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Application domain
for ships 20-75 m
Sound intensity

132 dB


The Kahlenberg S-330-DVM-H was developed by Kahlenberg Industries to provide a fully IMO compliant sound signal for commercial marine applications in an economic and compact package suitable for use on vessels up to 75m (246ft). The S-330-DVM-H Air Horn features a new, heated external valve that reduce weight, product cost, and installation costs while preserving the durability of all metal construction and the ability to operate in the most extreme weather conditions. Constructed of brass, with titanium diaphragm, and stainless steel fasteners to withstand the harsh marine environment Heated combination manual override and dual electric solenoid operating valve for redundancy providing safety of vessel and crew Heater is water tight and thermostatically controlled Lightweight design facilitates mount to vertical or horizontal surfaces Additional Specifications: Control Voltage Manual pull, 230 or 120 VAC, and 24VDC SPL (Loudness) on Total 136 ± 1 dBA @ 1 meter SPL (Loudness) 1/3 Octave 131.9 dB @ 1 meter Air Consumption 4.2L/sec [9 SCFM] on 7 bars [100 psi] Air Pressure Req’d 5.2 to 40 bar (75 to 580 p.s.i.) IMO Audibility Range 1 nautical mile Fundamental Frequency 330 Hz Materials Brass, Stainless Steel, Aluminum Bracket Voltage and Consumption Control Heater 20 Watts A.C. Operating Temperature -4°C to +80°C [25°F to +176°F] Net Weight 5 kg (12 lbs.) Finish TGIC Sky White or Military Grey Powdercoat


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.