Steam Turbine Back Pressure

A

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Ali

we have back pressure Steam Turbine of 12 MW (07 impulse stages) at inlet steam Pressure 28 Bara and Exhaust Steam Pressure 1.8 Bara. we want to run this turbine on 2.8 bara exhaust because of our process requirement. are this practice is safe for operation?

the turbine specification are below<pre>
Steam Inlet Pressure 29.8 Bar A
Steam Inlet Temp 435 deg C
Exhaust Pressure 1.8 Bar A
Power 12.2 MW
Speed 6580/1500rpm
Turbine Staging 7 impulse
Thrust Bearing omega, double thrust ring</pre>
 
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