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Internal floating roofs prevent evaporation of the stored product, improve air quality, and reduce the likelihood of combustion. There are several types of internal floating roofs (IFRs) used in industrial storage tanks: Steel Pan Internal Floating Roof. This IFR consists of a steel deck or pan that floats on the surface of the stored liquid.
(1) The floating roof shall float on the stored liquid surface at all times, except when the floating roof is supported by its leg supports or other support devices (e.g., hangers from the fixed roof).
With high-quality components like aluminum roof panels, a variety of seals, pontoons for floatation and support legs for stability, an internal floating roof forms an effective barrier for controlling vapor loss and maintaining liquid integrity.
The PETREX cable suspension system eliminates leg penetrations through the floating roof providing better evaporation loss ratings and less product loss. The cable suspension system allows for the roof to be safely changed from the operating position to the maintenance position and back without entering the tank.
Aluminum internal floating roofs (IFRs) are pontoon-type roofs used in fixed-roof tank to reduce vapor space and emissions. An IFR floats directly on the liquid surface, rising and falling with the level changes.
Our internal floating roofs provide reliable, efficient storage solutions for a wide range of liquid products. Choose from several types and configurations to meet your specific requirements.
The Standards identify areas of inspection, maintenance and recommended criteria for assessing repairs. In addition to these, API Standards also provide guidance in evaluating leak tightness of floating roof tank seals, and measurement (calculation) of vapor losses.
LEG CONNECTIONS. Our innovative design eliminates the likelihood of pontoon end cracking, a common phenomenon in light weight IFRs that results from tank turbulence or landing the floating roof during cycling. EASY ASSEMBLY, EXCEPTIONAL FIT.
The Aluminator HFC is the premier honeycomb full-contact Aluminum Internal Floating Roof (AIFR) on the market today. Ideal for full-contact applications in stored products compatible with aluminum.
IFRs with legs. Suspending the IFR by either cable or chain allows for floor scanning; easier floor repair, free of leg interference; adjustment of high and low leg positions from outside the tank while the tank is in service; and increased tank working volume. Extruded Rim Matrix Applied Technologies IFRs utilize a heavy-duty aluminum extruded