Design Velocity (배관 설계 유속)

XXX POWER PLANT (Saudi Arabia)

Service		Maximum velocity (m/s)
Steam	Main steam	72
	Hot reheat	72
	Cold reheat	45
	Wet steam	30
Feed-Water	Pump Suction	3.0
	Pump Discharge	4.5
Condensate	Condensate Suction	0.6
	Condensate Discharge	2.5
Water	Pump Suction	1.8
	Pump Discharge	3.0
Compressed Air	Service	15.0
	Instrument	10.0
Main CW header	Pump Discharge	3.5
Main CW System	Pressure Conduit	2.5
HFO	Pump Suction	0.5 - 0.7
	Pump Discharge	1.3
CO	Pump Suction	0.8
	Pump Discharge	2.0
DFO	Pump Suction	0.9
	Pump Discharge	1.8

 

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XXX DESALINATION PLANT (Saudi Arabia)

Service		Maximum velocity (m/s)
Steam Lines	High-pressure live steam lines	50
	18 bar steam lines	40
	Low-pressure steam lines above 5 bar	40
	Low-pressure steam lines 1 bar up to 5 bar	35
	Exhaust steam lines from turbines to atmosphere	20
	Vacuum lines	60
	Saturated steam lines	20
Water Lines	Feedwater suction lines	1.5
	Feedwater discharge lines	4.0
	Other suction lines	1.5
	Other discharge lines	2.5
	Seawater lines	3.0
Air lines	Suction lines for reciprocating compressors	18
	Delivery lines for reciprocating compressors	30
	Suction and delivery lines for rotary compressors	25
	Compressed air lines	20
Fuel oil and gas lines	Fuel oil suction lines	0.5
	Fuel oil supply lines	1.5