China WD-2A Fog Horn:
WD-2A Fog Horn
1) Chapter 3 of Part 4 of the"Steel Ship Classification Rules" of the China Classification Society:
2) Annex III of Convention on The International Regulations for Preventing Collision at Sea(COLREG) 1972 and Amendments
3) Maritime Administration of the People's Republic of China: "Regulations on Legal lnspection of Ships and Marine Facilities-Domestic Navigation Sea Vessels Legal Inspection Regulations' Chapter 13 of Part 4
4) Maritime Administration of the People's Republic of China: "Regulations on Legal lnspection of Ships and Marine Facilities-Domestic Navigation Sea Vessels Legal Inspection Regulations"Chapter 8 of Part 4
Electric heating supply: AC220V, 50/60HZ
Solenoid valve voltage: DC220V or DC24V
Nominal diameter: 25mm
Gas source pressure: 7-10kgf/cm²/(0.98±0.05Mpa)
Listening distance: 1.5 Nautical mile
Central frequency: 160HZ
Audible distance 75≤Length<200m
Gas consumption: ≥8.3x10-3 m³/s
Sound level: ≥138dB
Colour: Blue gray
Material: Aluminium alloy
IP rating: IP56