Nikkiso Clean Energy & Industrial Gases Group

Products & Services

Cryogenic Pumps

Submerged Pump
Removable In-Tank

Removable, or in-tank pumps offer the advantage of overhead removal and installation. But, without taking the tank out of service. The pump operates at the bottom of a purpose-built pump column, through which it is installed and removed. The column provides the fluid discharge from the pump to the top of the tank and contains the lifting cables as well as the power cables. Our ZEN (Zero Enabled NPSH) inducer was specially developed to allow the pumps to reduce liquid levels to extremely low levels.

Features & Benefits

  • Allows reducing liquid to extremely low levels
  • Provides fluid discharge from the pump to top of the tank


  • Clean Energy
  • Industrial Gases

Liquids Pumped

  • LEG
  • LN2
  • LNG
  • LPG
  • Liquid Propylene
  • Other


Flow Rate Max.1000³/h (4400 gpm)
Head max.600m (1,970 ft)
Fluid Temperature
-130℃ to +450℃ (-201 to 842°F)
Viscosity Max.500mPa·s
Design Pressure:20MPa (2900 psig)
Casing Material

Austenitic Stainless steel (304SS, 316SS, etc.)
Hastelloy*1 C/B Equivalent Alloy
Monel*2, others Equivalent Alloy

Motor power range0.75 to 250kW
Ex-ProtectionVarious international explosion-protection (ATEX,IEC,CSA,TRCU, etc.) CE marking