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  • Users: Blobajob88
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  1. Blobajob88

    Throttling

    Hi, Can someone please assist? If I have a pump with a pressure gauge, followed by a diaphragm valve on the discharge side and I start to throttle the flow with the diaphragm valve, why does the pressure start to increase and therefore flow decrease? If you narrow a pipe, wouldn't Bernoulli's...
  2. Blobajob88

    Pipe Flow

    Hi, I'm hoping someone can help me. According to Bernoulli's principle, when water is flowing through a pipe and the pipe restricts in some way, the velocity increases/pressure decreases through the restriction and then ramps back up to the velocity and pressure it was originally at once it...
  3. Blobajob88

    Pump Pressure

    Hi, Could someone please tell me if a pump can exceed it's dead head pressure? i.e. if a pump has a dead head pressure of 4 bar but the pressure coming into the pump is 7 bar, would the pump ramp up the pressure to 11 bar?

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