PM listens for leaky tanks
3rd September 1992, Page 79
3rd September 1992
Page 79
Page 79, 3rd September 1992
— PM listens for leaky tanks
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• Forecourt equipment servicing specialist PM is offering a new leakage test on underground fuel tanks without emptying them first.
To detect a leak pressure is reduced in the ullage space above the fuel: a microphone then detects bubbles or the hiss of air entering the tank from outside.
If the tanh is lying in w;l rtlic
equipment can detect a rise of 0.3mm in the water level at the bottom of the tank and the process is not affected by temperature variations, says the company.
'ranks are usually tested in pairs, which takes two to three hours. Multi-compartment tanks can also be tested. PM charges about .S;4170 III f tank or comprtment.