... LCO2 2, Throughput/Flow: 5-6000L/h Cryogenic pump Performance 1.Transmission mechanism is crosshead structure 2.Use ... evaporation,shot precool time,small loss of liquid;3.piston ring,rider ring and seal ring ... 4.Easy operation,short startup time;5.Pump work will not arouse the pressure increase ... of storage tank,instead, cryogenic pump will reduce the pressure of storage tank after ...