Floating roof tank etc.
Foam chamber for floating roof tank.
The rim seal foam pourer is used for one of the most common applications of protecting tank seal in vertical liquid storage tank with internal floating roof with low expansion foam system.
In addition they may be used on covered floating roof storage tanks that are not vapor tight above the internal fl oating roof vented.
The rim seal foam pourer is designed to deliver fully aspirated from directly to the annular seal area of open top floating roof tank.
Angus fire has been protecting tanks using top pourer technology for over 30 years.
The unit protects various tanks including cone roof tanks with or without internal floaters most open tanks and open top floating roof tanks.
When the foam chamber is mounted correctly the internal glass seal of the chamber will be just slightly higher in elevation than the roof joint on the storage tank.
Causes the foam to slide gently down the tank wall into the seal area.
Shallow style deflectors are useful when only a small space between the foam dam or tank rim is available and a normal deflector may come into contact with part of the floating roof.
The foam chamber contains an orifice plate sized for the required flow and inlet pressure air inlets an expansion area and a discharge deflector to direct the gentle application of expanded foam.
When the system is activated the expanded.
Chemguard foam chambers are air aspirating foam discharge devices that are used to protect various types of flammable liquid storage tanks including open top floating roof tanks and cone roof tanks with or without internal floaters.
3 3 3 7 fire fighting system and foam dam 113 chapter 4.
Each foam chamber mounted on a cone roof storage tank should have its own individually valved riser supplying the foam solution from outside the dike area.
When correctly installed the foam chamber has a foam deflector mounted on the inside of the tank wall.
Additional applications include most types of open tanks where flammable liquid products are involved.
Floating roof tank is which the roof floats directly on top of the.
All foam chambers are supplied with standard finish primed with red epoxy exterior coating.
Constant research and development has lead to the current designs which meet the demands of modern day tank protection including the need for full surface pourers.
Foam chambers foam chambers are typically used as part of a fixed or a semi fixed surface application fire protection system on exterior fixed cone roof or on internal floating roof storage tanks.
