موضوع: fss passive fire systems

Will settle over time, losing some of its effectiveness. Open cell foams often have a low exothermic reaction temperature; will not harm coatings on electrical wiring, plumbing or other building components. The most effective air door for containing conditioned air inside a building with an open door will have a high face velocity at the opening, generated by top-down flow, and air recovery by a recirculating air plenum and duct return to the source fans. For industrial conditions, high face ve...