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ENGINEERED
FOAM SYSTEMS |
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These systems hold foam in a pressurized bladder contained in a vertical or horizontal steel tank shell |
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Site specific engineering dictates the size of the tank and plumbing system |
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| The agent dispenses from foam sprinkler head(s) |
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FOAM
SPRINKLER HEAD
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These special sprinkler heads are used with a bladder foam system |
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They are available with a ½” inlet that flows 5 gallons per minute or with a ¾” inlet that flows 20 gallons per minute |
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FOAM MAKER – HIGH BACK PRESSURE |
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Foam maker is usually installed in a dedicated line outside the area |
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This method is not suitable on tanks containing alcohols or polar solvents miscible in water |
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In accordance with NFPA 11 injection is not recommended for tanks having a floating roof |
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FIXED OR SEMI-FIXED FOAM FIRE PROTECTION SYSTEMS |
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This foam system is designed for use with Open Top Floating Roof Tanks |
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It dispenses foam to the area of the rim seal area
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