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WD-1A Marine Fog Horn
Technical Specifications
| type | Voltage of Magnetic Valve（DC）（V） | Power consumed fo Magnetic Valve | Normal diameter（mm） | Air
pressureP(Mpa) |
Audibility（mile） | 1/3octave band level at 1 meter（dB） | Center Frequency（Hz） | Length of Vessel
（m） |
Air Consumed
（m3/S） |
Voltage of heater(V)(DCorAC) | Power Consumed of heater(W) | Weight
(kg) |
| WD-1A | 220
110 24 |
45 | 25 | 0.7-10 | 1.0 | ≥130 | 315 | ≥20<75 | ≤8.3*
10-3 |
220
110 |
220 | 28 |
| WD-2A | 1.5 | ≥138 | 160 | ≥75<200 | 40 | |||||||
| WD-3A | 2.0 | ≥143 | 125 | ≥200 | ≤10*
10-3 |
250 | 68 |
WD-1A Marine Fog Horn:
The automatic fog control siren is the sound signal equipment of ship. When ship sails in fog, it has bad sight. To avoid collision and ensure safe sailing, ship must raise fog signal. This fog siren can raise both audible signal and light signal specified in the Convention on the International Regulation for Preventing Collisions at Sea, 1972. In fog, the labor strength can be reduced by it. This fog siren can electrically and manually raise siren of any rhythm and light signal.
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