Pumping Gases with Liquid

Pumping Gas/Liquid Motive
Models LM, ELL, FL

In many process operations, it is necessary to evacuate or move a gas. One method of doing this is to use a Penberthy liquid jet pump. These specially designed liquid motive jet pumps offer many advantages over other methods of evacuating or moving gases. The simple design for these units features no moving parts, consequently there is no need for lubrication. As a result, there is little chance of the jet pump wearing out.

These jet pumps are a low-cost alternative when compared to other methods of moving gases. Installation is easy, the units are compact and can easily be adapted to almost any installation requirements. Plus, no moving parts means trouble-free operation.

Penberthy Models LM, ELL and FL are perfect for many gas pumping operations where more costly and complicated pumps have been used. Imagine being able to use a jet pump to: create a vacuum, evacuate gases from tanks and vessels, scrub a gas to remove contaminants, remove fumes, for gas condensation, drying, distillation, deaeration and more.

Typical industries that could use liquid motive jet pumps might include: textile manufacturing, chemical processing, food processing, water treatment, petroleum production, sterilization, tire making, HVAC and distilling & brewing.

Selection Guide

Typical applications involve either exhausting or evacuating. Similar information is needed in order to determine the specific jet pump for your application.

If Exhausting (Continuous Suction Flow)
Motive:

  • Liquid
  • Pressure (Available)
  • Flow Rate (Available volume)
  • Specific Gravity
  • Temperature

Suction:

  • Gas To Be Pumped
  • Pressure (Vacuum)
  • Flow Rate
  • Temperature/Molecular Weight

Discharge:

  • Pressure (That unit must overcome)

If Evacuating (Sealed Vessel-Pump Down)

  • Volume of Space To Evacuate
  • Required Evacuation Time (minutes)

All conditions are measusred at the Motive, Suction and Discharge ports.

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