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Firex Product


The Firex Bladder Tank is one component in a balance pressure foam proportioning system. It requires no external power, other than the water pressure to ensure correct operation. The Vertical and Horizontal Bladder tanks are designed and constructed in accordance with the latest revisions to ASME code, Section vlll for unfired pressure vessels with a working pressure of 175 psi and tested to one and halt times this pressure.


The tank shell is constructed of steel, complying with ASME specifications, possessing a tensile strength of not less than 70,000 psi. The circumferential, as well as the longitudinal body seam, is machine welded. The tank interior is sand blasted white and have all welds and edges ground Smooth.

The tank shell water inlet will be screened to prevent bladder blow out or the entrapment of debris between the tank shell and the bladder. All other openings greater than 1″ is screened to prevent bladder blowout.