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  1. RJ31

    PCV Always Failure

    Was wondering about problem of diaphragm failure. From specs , It looks like A PRV rather than control valve, One solution could be to use a regular control valve with hardened micro flute trim, due to high pressure and required low CV. Other solution could be to consider self regulating PRV...
  2. RJ31

    Basics of Conductive Level Sensor

    I think most commonly conductive sensing is used for level alarms/switches. Long time back We had a system for level alarm/trip on a small boiler for drum level. The simple system had sensors and relays in the control room. For more sophisticated system see the link...
  3. RJ31

    Control Valve Sizing

    Correction for pipe geometry is built in control valve sizing equation , So use of actual line size is correct. For more details refer to Masoneilan handbook of control valve sizing , which will be available on net. I wonder reason to use 3 x 2 reducers for 1.5 in valve, Hope this helps JR
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