Cryogenic centrifugal pump for liquid nitrogen oxygen argon
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Type |
centrifugal pump, outdoor installation, intermittent operation |
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|
Liquid nitrogen density |
808kg/m3 |
Flow rate |
235m3/h |
|
Temperature |
-200℃ |
Suction pressure |
1.5bar (A) |
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Discharge pressure |
12bar (A) |
Head |
133m |
|
NPSHr |
1.5m |
Efficiency |
76.2% |
|
Shaft Power |
90.3kW |
Pump rotational speed |
2950r/min |
|
Impeller series |
1 stage (outer diameter 332mm) |
Voltage |
400V/230V |
|
Motor Model |
High speed motor |
Power |
132kW |
|
Motor protection grade |
IP55 |
Inlet flange |
DN150, PN16 |
|
Discharge flange |
DN125, PN25 |
Seal type |
Labyrinth seal |
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Temperature rise grade |
B |
Instrument protection grade |
IP65 |
|
Insulation class |
F |
|
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Performance features:
1, The structure is compact and simple.
2, Rotor balancing level G2.5, more reliable operation.
3, Using inducer to improve the anti-cavitation performance.
4, With metal hose, reduce the impact of cryogenic stress on the unit.
5, According to the working condition using mechanical seal or gas labyrinth seal.
6, Optional frequency conversion motor to make the pump a wider range of operation..
Overcurrent components using copper alloy, to ensure the safety of special conditions.