1)Oil flow indicator (called relay for short below) is a device to show oil flow change in the forced oil circulation cooling system of transformer.
2)It is used to monitor the running of oil pump in the force circulation cooling system,for instance, whether the change-direction of oil pump is right.Whether the valve is open and whether the pipeline is blocked. If the oil-flow amount reaches the motion oil flow amount of decreases to be the return oil flow amount.The relay shall be capable of sending off alarm signal.
3)The product is the most advanced in the country after modification and has obtained the nation patent with the patent number of 02260487.
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