LNG Cryogenic Pump Unit

Pump Unit for Production of LNG

The pump unit is equipped with a two-stage submersible pump Type ARTIKA 160-25 (160 mm impellers) for the transfer of LNG from stationary storage tank to dispenser. Besides cryostat and submersible pump, the unit includes all component parts relevant for operation, safety and reliability.

Details

  • Electric engine: operated with a frequency converter and within the vacuum insulated container
  • Medium: LNG
  • Maximum suction pressure: 25 bar
  • Diamter of impellers: 160 mm
  • Fluid stream: up to 430 l / min
  • Differential pressure (maximum Ca.): up to 12 bar
  • Pump speed: up to 6000 revolutions / min (at 104 Hz)
  • Pump installed on a lacquered steel frame

Component Parts (inclusive):

  • Vacuum insulated KRYO container
  • Cryogenic pneumatic valve at the suction hose DN50 Herose
  • Cryogenic pneumatic valve at the return hose DN32 Herose
  • Cryogenic pneumatic valve at the pressure line DN25 Herose
  • Cryogenic pneumatic valve at the saturation line DN25 Herose
  • Cryogenic pneumatic valve at the return gas line DN15 Herose
  • Cryogenic pneumatic valve at the bypass line DN25 Herose
  • Flexible hoses at suction hoses, return hoses and vent hoses
  • PT100 temperature sensor at suction hose
  • PT100 temperature sensor at return hose
  • PT100 temperature sensor at electrical connection to leakage detection
  • Electric connection gas sealing system
  • Pipes for connection of vacuum insulated container
  • Filter at suction hose
  • Electric terminal box in Ex version (Atex)
  • Pressure gauge with manual shut-off valve (hand-operated)
  • Manual air valve respectively drain valve on insulated container
  • Three-way valve and 2 safety valves Herose, set pressure = 200 bar
  • Pressure transmitter at pressure line