# How Do You Select A Pump Motor?

## What is the main function of centrifugal pump?

A centrifugal pump is a mechanical device designed to move a fluid by means of the transfer of rotational energy from one or more driven rotors, called impellers.

Fluid enters the rapidly rotating impeller along its axis and is cast out by centrifugal force along its circumference through the impeller’s vane tips..

## What is the most powerful electric motor for go karts?

Mophorn 1800 W Electric MotorThe Mophorn 1800 W Electric Motor is the best electric motor for go-karts in our list, due to its power, superb build quality and it’s high performance-to-cost ratio. As the name already gives away, this electric motor has a power output of 1,800 watts, which is powerful enough for any type of go-kart.

## How do you make an electric motor more powerful?

We can increase the turning force (or torque) that the motor can create in three ways: either we can have a more powerful permanent magnet, or we can increase the electric current flowing through the wire, or we can make the coil so it has many “turns” (loops) of very thin wire instead of one “turn” of thick wire.

## How do I choose a pump size?

The steps to follow to select a centrifugal pump are:Determine the flow rate. To size and select a centrifugal pump, first determine the flow rate. … Determine the static head. … Determine the friction head. … Calculate the total head. … Select the pump.

## Which motor is used for centrifugal pump?

induction motorWhat Does a Centrifugal Pump Look Like? Centrifugal pumps come in many shapes, colours and sizes but they typically look something like this. The pumps consist of two main parts, the pump and the motor. The motor is an electrical induction motor which allows us to convert electrical energy into mechanical energy.

## How do I select a motor for an application?

5 steps to choose the best motor for your applicationStep 1: Know the load characteristics. … Step 2: Get a handle on horsepower. … Step 3: Getting started. … Step 4: Adjust for duty cycle. … Step 5: The last consideration, motor hypoxia.Dec 3, 2011

## Which motor is used in pumps?

induction motorThe motor used to drive the pump is typically a three phase, squirrel cage induction motor, with a nameplate power rating in the range 7.5 kW to 560 kW (at 60 Hz).

## Which water pump motor is best?

Best Water Pumps for Domestic Use in India:Havells Hi-Flow MX2 Series 0.5 HP Centrifugal Water Pump. … Havells Hi-Flow MX2 Series 0.5 HP Centrifugal Water Pump. … Kirloskar 40S Mini Water Pump.Crompton 0.5HP SP Aquagold 50 Water Pump. … Kirloskar KOSi-135 5 Star HP Openwell Submersible Pump.Jan 1, 2020

## How do you size a pump motor?

Pump Hydraulic Power (ph) = (D x Q x H x9. Pump Hydraulic Power (ph) = (1000 x 0.005 x 65 x9. 87)/1000 =3KW. Motor/ Pump Shaft Power (ps)= ph / pe = 3 / 80% = 4KW. Required Motor Size: ps / me =4 / 90% = 4.5 KW.

## How much horsepower do you need to pump water?

Horsepower theoretically required for pumping water equals the gallons per minute multiplied by the head in feet, and divided by 4.000 For power recommended, divide by 2000 instead of 4000.

## What is capacity of a pump?

Pump capacity is a term used to define the flow rate through a pump at its designed conditions. It describes the volume of liquid that is allowed to travel through the pump in a given time. … Some of the most common units of pump capacity are: Gallons per minute (gpm) Liters/minute (L/min)

## How do you determine motor power?

The higher the speed the more power, the higher the torque the more power. In fact the power depends on Torque multiplied by Speed.

## How do I choose a pump motor?

The power required to drive the pump at the rated design condition should always be less than the nameplate horsepower rating of the motor. So if the pump will require 4.5 HP at the design condition, at a minimum, the motor should be sized for 5 HP – the next nominal size above 4.5 HP.

## How do I calculate pump needs?

Quick FormulaWater horsepower = minimum power required to run water pump.TDH = Total Dynamic Head = Vertical distance liquid travels (in feet) + friction loss from pipe.Q = flow rate of liquid in gallons per minute.SG = specific gravity of liquid (this equals 1 if you are pumping water)Water horsepower =More items…

## How do you calculate pump horsepower?

The Equations= Brake Horse Power (hp)= Flow rate (gpm)= Pressure (psi)= Water Pump Efficiency (decimal)= Drive Motor Efficiency (decimal)

## What size pump do I need to lift water 20 feet?

Example – Horsepower Required to Pump WaterPower Required to Pump Water (hp)Volume Flow (gpm)Height (ft)100.01260.0505150.01890.0758200.02530.10113 more rows

## What is pump head calculation?

Total Head = suction Head + Delivery Head Suction Head calculation = Suction vertical Height ( From Foot valve to Pump Centre) + Horizontal pipe line used + No of Bend (or) Elbow used in suction pipe line.