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150-psig Steam Turbine and Maximum Pump Discharge

150-psig Steam Turbine and Maximum Pump Discharge

150-psig Steam Turbine and Maximum Pump Discharge

(OP)
I'm looking at a set of PID's for a turbine driven pump.
The Client has no record files for either pump or turbine.
Using 150-psig steam and exhaust to atmosphere, is it reasonable to estimate 150-psig maximum possible pump discharge pressure?

RE: 150-psig Steam Turbine and Maximum Pump Discharge

Nope, not close. Very distant and convoluted relationship between the steam pressure driving the turbine and the Discharge Pressure of the driven pump. If the steam pressure of the turbine is all the data you have available; then you won't be able to deduce a thing about the pump.

Just what is it you're trying to do?

Please give all the info you have, we won't bite......hard.

RE: 150-psig Steam Turbine and Maximum Pump Discharge

If you have flow rate (mass or volume) of both steam and whatever the pump is pumping, then you might be able to get an order of magnitude figure based on energy and shaft power with suitable guesses as the efficiency of both turbine and pump, but it won't get you close unless you're very lucky.

Sounds like someone needs to go and read the name plate or look at the discharge pressure to me.

My motto: Learn something new every day

Also: There's usually a good reason why everyone does it that way

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