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Kahlenberg Industries Inc

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1700 12th Street
PO Box 358
Two Rivers , WI 54241
United States
Booth #2011

Kahlenberg Industries Inc

An ISO 9001-2000 certified business, Kahlenberg Industries is a family owned manufacturing corporation established in 1895. Comprised of two divisions, Kahlenberg manufactures the most durable navigation horns and signaling accessories, as well as custom marine propellers and propulsion related components.

Products & Services


Air Horn Models D-2, D-2CVL

The D-2 Air Horn includes two projectors, each producing a different fundamental frequency. This unique sound has made the D-2 Air Horn the most popular air horn used on U.S. commercial vessels under 75 Meters in length. Model D-2CVL Air Horn includes a combination manual/solenoid valve, air strainer/filter, and maneuvering light.

Model KB-20 Electric Horn

Model KB-20 Electric HornCertified for vessels under 75 meters in length, the KB-20 Electric Horn is a self-contained unit that does not require an air or steam source of any kind.  The heated, self draining driver assembly eliminates the possibility of condensation or extreme weather affecting the unit.  Operating on 24 Volts D.C., the KB-20 Electric Horn is also available with an optional A.C. power supply for use with 50 or 60 Hz electrical systems.

Model KPH-130 Electric Piston Horn

Model KPH-130 Electric Piston HornCertified for all vessels over 75 meters in length, the Model KPH-130 Electric Piston Horn utilizes a 7.5 horsepower electric motor to drive a piston which oscillates air at 130 Hz. With an entirely oil-less crankcase and gear case, steel gears, anti-condensation heating and a self-draining cylinder assembly, the KPH-130 Electric Piston Horn is a highly reliable ship's whistle requiring virtually no maintenance. Installation costs are minimal since no air or steam piping is required.


Kahlenberg primarily manufactures and repairs three to five blade fixed pitch propellers up to ten feet in diameter. We manufacture to our own designs as well as those supplied by the customer, routinely following ISO R484 and ABS guidelines. Accurately machined propeller hub bores are assured by blue-fitting with precision machined taper mandrels, while accurate pitch is attained through the use of a Hale M.R.I. Propeller Scanning System.

Boat Building Supplies

  • Horns
  • Signals

Deck Machinery / Hardware / Equipment

  • Deck Machinery / Hardware / Equipment

Electronics / Navigation

  • Navigation Aids

Propulsion / Power

  • Propellers
  • Shaft Components

Safety / Survival

  • Safety & Survival
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