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  1. MajesticFerret

    Orifice Plate and Flow Restriction question

    Thanks for the replies. So I'm assuming the key variable here that differentiates the Orifice Plate vs. the same ID "nozzle" in this case is the coefficient of discharge being much less for the plate? As far as mass flow is concerned, can chokes "stack?" Like if there’s a choke that limits...
  2. MajesticFerret

    Orifice Plate and Flow Restriction question

    So let's say we have a pressurized volume that needs to blow down to atmospheric pressure. In between said volume and vent we have blowdown piping that starts out as 2" and eventually expands it's way to 10" before connecting to the vent inlet. Let's say at the inlet connection we have an...
  3. MajesticFerret

    Pump Performance Curve Clarification

    Haha, thanks you guys. Just because the OP's forget to reply doesn't mean we aren't grateful for the information. ;)
  4. MajesticFerret

    Pump Performance Curve Clarification

    Alright, I think I get it. So centrifugals impart higher head onto lower flow rates and less head on higher flow rates. I believe I've seen instances where the pumps were set up to boost pressure without imparting a major change to the flow rate, so that makes sense. So another question is...
  5. MajesticFerret

    Pump Performance Curve Clarification

    So I'm looking at a Pump Performance curve. RPM is stated as constant. Pump casing is a constant. You've got multiple impeller curves that descend in head as you get to higher flow rates. My question is, how is flow rate subject to change if the impeller speed is constant and your only...

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