Monitor checks bunded tank condition
A
Fozmula product story
Edited by the Engineeringtalk editorial team
Mar 7, 2006
Bund monitor checks the condition of bunded tanks on demand to check the integrity of the tank and to see if a leak has occurred.
The most common cause of water course pollution is the leakage of oil from commercial and domestic fuel tanks, and this has been addressed by the introduction of bunded tanks.
However, the bund, or secondary containment, should be checked weekly in case the tank has developed a leak and requires repairs.
The Fozmula Bund Monitor checks the condition of the bund on demand so that the integrity of the tank is known or if a leak has occurred.
The BM series is mounted to a vertical or horizontal surface of the bund or outer safety tank of a storage tank system by two strips of hook and eye tape, which allows for any convex curvature of the tank outer surface.
The system is a two part unit consisting of: a float switch with a pneumatic lifter mechanism that is fastened to the side or bottom of the bund; and an indicator unit that contains a battery, LED leakage alarm indicator and press button to test and actuate the system.
The BM has, in addition to the button that actuates a lifter mechanism on the float switch which detects liquid in the bund, an electrical push-to-close switch.
The purpose of this is to interrupt the circuit to the warning lamp until pressed.
Thus, in the event of a leakage into the bund, the warning lamp will light only when the switch is pressed enabling the system to be interrogated thus reducing battery drain.
The entire system, inclusive of the battery, can be checked by depressing the button which actuates the float switch while simultaneously depressing the switch to enable the LED warning lamp to illuminate.
This procedure should be used to check the battery.
The two parts of the system are joined by a length of flexible tube, which serves to carry the electrical wires between the float switch and the indicator unit and provide a pneumatic link between the two.
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