Common questions

What is the head of the pump?

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What is the head of the pump?

So, what is pumping head or just “head?” Head is the maximum height that a pump can move fluid against gravity. The purest example of this is if you have a vertical pipe extending straight up from the discharge outlet. A pump with 5m of head will pump fluid up the pipe 5m from the discharge outlet.

What does head mean in water pumps?

Simply stated: a pump’s head is the maximum height that the pump can achieve pumping against gravity. Intuitively, if a pump can produce more pressure, it can pump water higher and produce a higher head.

How do you calculate pump head development?

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The head is usually the maximum height that the pump can lift, and is indicated by H. The most commonly used pump head calculation formula is H = (p2-p1) / ρg + (c2-c1) / 2g + z2-z1.

What is differential head of pump?

Differential head Think of a pump as ‘adding’ head to your system. For example, imagine a pump that ‘adds’ 20m head. If the head at the pump inlet is 5m then the discharge head will be 25m. The amount of head that the pump ‘adds’ to the system is called the ‘differential head’.

What is the head of a submersible pump?

The head of a submersible pump tells you how high the liquid can reach through the pump system.

What is the formula for total pump head?

Equation 1: pump TDH = (±) net static head + friction head.

How do you calculate pump head capacity?

Quick Formula

  1. Water horsepower = minimum power required to run water pump.
  2. TDH = Total Dynamic Head = Vertical distance liquid travels (in feet) + friction loss from pipe.
  3. Q = flow rate of liquid in gallons per minute.
  4. SG = specific gravity of liquid (this equals 1 if you are pumping water)
  5. Water horsepower =
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What does ft head mean?

Feet of Head Total Head: The height from the original water source up to the highest point to which the fluid will be pumped – the discharge point. Total Suction Head: The height between the fluid source (what is being pumped) and the pump itself.

What is the formula of pressure head?

hp—the pressure head = u/γw—the fluid pressure divided by the unit weight of the fluid. ht—the total head = he + h.

What is differential head developed?

Pumps develop differential head, or differential pressure. This means the pump takes suction pressure, adds more pressure (the design pressure), and generates discharge pressure. So, the discharge pressure is equal to the suction pressure plus the pump’s design pressure.

What is elevation head?

Definition of elevation head : head (see head sense 14b) that corresponds to the potential energy of elevation of a flowing liquid.