Foam Maker is used in one of the most common
application to protect tank seal in vertical liquid
storage tank with internal floating roof with low
expansion foam system. The application of aspirated
foam is on the basis of the risk comprising the area in
the annular ring between the rim of the floating roof
and the tank shell. The Foam system design guidelines
generally used are in accordance with NFPA 11
standard. The Foam Makers are defined by NFPA 11
as Type II discharge outlets for delivering the low
expansion aspirated foam to the seal. The Foam Makers
are widely used with the Inline foam inductor, Balance
pressure foam proportioning system, Bladder tank
system or Foam tenders.
