Pump corrosive liquids

JET-VAC® Thermo-Syphons are jet pumps that use steam or other high-pressure condensable vapors to pump or recirculate liquids. They are small, inexpensive and fit right into a pipeline. There are no moving parts, packing or lubrication. This makes them are ideal for handling toxic or corrosive liquids, including radioactive used in nuclear power generating plants. JET-VAC® thermo-syphons have advantages over conventional pumps.


  • Low capital costs
  • No lubrication required
  • No seals or packing to leak
  • No electrical required
  • Can be welded in line, eliminating flanges and joints

JET-VAC® thermo-syphons are available in standard or corrosion-resistant materials and with flanged connections. They can be used as in-line heaters and for batch recirculation in tanks. They are ideal for use as sump drains and for tank-to-tank transfers.