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  1. yonghong0505

    Positive displacement pumps in series or parallel

    Thanks all for the valuable information. Appreciated.
  2. yonghong0505

    Positive displacement pumps in series or parallel

    Hi all, Good days. I am getting info that for centrifugal pump, Theoretically, centrifugal pump in series= H1+H2 and Q1=Q2 centrifugal pump in parallel = Q1+Q2 and H1=H2 I understand that centrifugal pump may different from positive displacement pump. Are the positive displacement pump apply...
  3. yonghong0505

    Inhibited seawater ??

    Hi All, I am fresh application engineer for pump services. One of my customer stated that their medium to be pumped is inhibited seawater? I try to google search for this but failed. Can anyone please guide me what is actually define as inhibited seawater? what is the different between...
  4. yonghong0505

    How to create a subsytems in the Aspen?

    Hi everybody! I am currently running a simulation on Aspen and one problem is faced. The problem is the process flow diagram is too messy and complicated as i am doing a project about processing petrochemical product. As in the first part which is refinery progress, every unit such as...
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