Hi Friends!!!
While selecting a pump we always miss some point or the other , and the result of which is that at site there are issues. So today i am going to list down important points which needs to get cleared before selection of the pump.
- Total Number of Pumps required.
- Whether the pumps are going to work in solo or parallel operation.
- What is the liquid which is going to be pumped.
- Specific Gravity , Viscosity , Vapor Pressure , Temperature of the liquid.
- Whether liquid is clear or there are solid particles in it. Nature of liquid.
- What is the NPSH-A( Net positive suction Head) at site in case of negative suction.
- Material of Construction required for Pump. This is very important and customer should properly study liquid properties and buy pump with suitable Material. Otherwise it leads to pump failure / corrosion within short span of time.
- Whether customer needs specific RPM during pump selection.
- Basic Selection Criterion mainly Flow , Head.
- Type of Pump required ie Horizontal , Vertical , Inline , Submersible , Split Case , Back Pull out etc.
- Prime Mover – -Whether motor is required or Diesel Engine is required.
- Flange Drilling standards if any required.
- Whether pump is Gland packed or Mechanical Seal Fitted.
This list might seem exhaustive but it will always help in making correct selection of pumpset so that the equipment once used is hassle free.
Thanks and Regards
Siddharth D Bhimani.
Sial Valves Co…Authorised Dealer of Kirloskar Brothers Ltd.
Centrifugal Pump Basics. 