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The CHEMGUARD Pre-Piped Bladder Tank is a steel pressure vessel which stores a foam concentrate contained within an elastomeric bladder. The concentrate is discharged from the tank by incoming water applying pressure to the bladder. This applied energy is transferred to the concentrate, supplying pressurized concentrate to the proportioner. All tank models feature perforated center tubes which allow improved agent discharge.
CHEMGUARD bladder tanks are available in a variety of nominal capacities as listed in the tank information table. Pre-piped models listed in his data sheet are for use in manually operated systems. For automatically operated systems, please contact Tyco Fire Protection Products Technical Services.
Features incorporated into the CHEMGUARD pre-piped bladder tanks include the following:
The CHEMGUARD Pre-Piped Bladder Tank is a complete balanced pressure proportioning system. A pre-piped bladder tank offers the foam system designer fixed dimensions inclusive of the proportioner/ratio controller. This takes away some of the uncertainty when sizing the foam equipment room and piping layout. Plus, the installer has the advantage of a pre-fabricated foam system, eliminating loose components and simplifying the installation. Its operation requires no external power other than a pressurized water system. The bladder tank may be used with any CHEMGUARD foam agent and with any suitable discharge device.
CHEMGUARD bladder tanks have numerous applications including truck loading racks, aircraft hangars, dip tanks, pump rooms, helipads, etc.
CHEMGUARD bladder tanks and proportioners are Underwriters Laboratories (UL) listed with various CHEMGUARD foam concentrates and bear the “UL” label along with an American Society of Mechanical Engineers (ASME) code stamp.
Standard bladder tanks 200 gallons (757 L) and larger are CE marked in conformance with the European Pressure Equipment Directive. Tanks less than 200 gallons (757 L) are acceptable based on sound engineering practices of ASME code.