Exhaust Vents and Blowers Flashcards
Chapter 3
US Coast Gaurd Regulation for Ventilation CFR
R, Subpart K 183.601
Fixed Fire Extinguishers Systems ABYC…
ABYC A-4
Storage of Batteries. ABYC …
ABYC E-10
Each compartment not open to the atmosphere must be provided with
Natural Ventilation
Ventilation Required if
Permanently installed Gas engine
Portable Fuel Tank vents into the compartment
Contains a non-metallic fuel tank compartment not open to the atmosphere that has a permanently installed gasoline engine
How many blowers required
1 per engine used for propulsion
Blowers power rating
Continuous operation at 120 % of nominal voltage
Blower Motor temperature shall not exceed
302f/150c
If detected by the Vapor detector
it shall not be activated
Blower shall meet the external ignition protection requirement
UL 1128 Marien Blowers UL 1500
Blowers volume moved shall be rated at
Cubic ft per minute
Visual Indicator for the powered ventilation system
Blower shall have an indicator or then the switch
Blower Capacity
Will be rated IAW , Blower capacity curve
How will Multiple Blowers Operate
simultaneously and be provided its own dedicated over current protection
The blower will exhaust air where
overboard