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  • Users: fjh502
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  1. fjh502

    About electromagnetic flowmeter PROMAG 50W mady by E+H

    Dear all, In our plant we have two same waste water line,we use electromagnetic flowmeter PROMAG 50W mady by E+H to measure, the real flow is about 660t/h but one flowmete reading is only 320t/h, the other one is ok, the parameter i have checked is same, i have check and clean the lining and...
  2. fjh502

    Control valve with fisher DVC6020F positioner cannot move occasionally

    In our plant we use delV control system, some control valve with fisher DVC6020F can move by DCS, but occasionally these valve cannot move by DCS, after re-wiring(only disconnect then connect wire in valve terminal box) then it can move by DCS again, i want to know the root cause, anybody can...

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