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.

Foam chamber for floating roof tank.

The unit protects various tanks including cone roof tanks with or without internal floaters most open tanks and open top floating roof tanks. Angus fire has been protecting tanks using top pourer technology for over 30 years. 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. When the system is activated the expanded. Floating roof tank is which the roof floats directly on top of the. In addition they may be used on covered floating roof storage tanks that are not vapor tight above the internal fl oating roof vented.

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. 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. 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 rim seal foam pourer is designed to deliver fully aspirated from directly to the annular seal area of open top floating roof tank. All foam chambers are supplied with standard finish primed with red epoxy exterior coating. 3 3 3 7 fire fighting system and foam dam 113 chapter 4. 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.

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. 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. 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.