Causes the foam to slide gently down the tank wall into the seal area.
Foam chamber for floating roof tank.
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 etc.
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.
3 3 3 7 fire fighting system and foam dam 113 chapter 4.
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.
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.
The unit protects various tanks including cone roof tanks with or without internal floaters most open tanks and open top floating roof tanks.
In addition they may be used on covered floating roof storage tanks that are not vapor tight above the internal fl oating roof vented.
All foam chambers are supplied with standard finish primed with red epoxy exterior coating.
When the system is activated the expanded.
Lw series foam chamber models.
The sps 9 is designed for easy low cost installation on the top angle of open top floating roof storage tanks with existing wind shields.
Floating roof tank is which the roof floats directly on top of the.
Angus fire has been protecting tanks using top pourer technology for over 30 years.
The rim seal foam pourer is designed to deliver fully aspirated from directly to the annular seal area of open top floating roof tank.
Tank construction 4 1 introduction 116 4 2 foundation 117 4 3 bottom plate placement 118 4 4 shell erection 121 4 5 tank testing.
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.
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.
