The gate valve on the inlet
I have been in contact with Grudfoss Technical and provided them with details of the system so that they can correctly size a pump to do the duty we require.However, in the meantime the contractors on site have removed the double reg valve, metering station and flow switch to ensure that these are not causing any restriction in the system. There was a very slight improvement in flow. Unfortunately, with the metering station removed it is hard to state exactly how much extra flow was achieved. They estimate that the flow is in now the region of 10 Lpm. The interesting thing is that the contractors moved the pressure gauge and installed it between the heater and the water bath. The pressure on the gauge read 1.5 bar? This pressure is on an open-ended pipe. Does this indicate that there is a blockage in the pipe between the gauge and the outlet? There are only two places left where there can be a restriction between the gauge and the tank that
2011-08-11
