- Mismatched pump selection as usual.
- Intermittent operation based on varying condensate load.
- Part load operation.
- Continuous drop in pumping efficiency due to higher temperature of fluid (Condensate).
- Frequent mechanical failures also contribute to point no 4 above.
- Overall LCC is very costly for any condensate transfer systems.

__NEW PAP SYSTEM__

Now we have totally different static system for condensate transfer i.e. Pressure actuated Pump. This is nothing but a mechanical device which recieves condensate in the reciever. This is having a float valve such that once it goes upto certain level the float opeans a steam inlet nozzle which is usually at 20 psi higher pressure than the back pressure of the condensate transfer system.

So if you need to transfer the condensate to 10 m elevation & at 3 Kg system than the motive steam pressure required is 30 + 10 + 15 = 55 meter Or 5.5 Kg/cm2 steam is sufficient.

The consumption of this motive steam is also usually very very low compared to conventional pumping. It consumes only 3-4 Kg of steam for each 1000 Kg of condensate transfer.

Here is a cost comparison for this PAP & conventional centrifugal pumping system. No Dear........just now I dont have sufficient time --------Its Easy you can do it on your own.

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