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Eductor

eductorEductors (also known as jet pumps ejectors, and Venturi pumps) are the most efficient way to pump or move many types of liquids and gases in the petrochemical, process, and power industries. Each ultra-smooth unit complies with ASME/ANSI B16.5 standards. The Tank Liquid Agitator (TLA), with no moving parts, can be used in a wide variety of open vessels or closed tanks. "In-tank" mounting eliminates the need for costly mounting structures above tanks, while investment costs are minimized by utilizing existing transfer pumps.

Water jet eductors utilize the kinetic energy of one liquid to cause the flow of another. Eductors consist of a converging nozzle, a body and a diffuser and resemble syphons in appearance. In operation, the pressure energy of the motive liquid is converted to velocity energy by the converging nozzle. The high velocity liquid flow then entrains the suction liquid. Complete mixing of the motive and suction is performed in the body and diffuser section. The mixture of liquids is then converted back to an intermediate pressure after passing through the diffuser.

Tank Eductors are designed for "in-tank"applications. The TLA operates on the principle of flow dynamics pressurized fluid is accelerated through the nozzle to become a high velocity stream that entrains tank contents and intimately mixes with them. This combined stream exits the TLA at a high velocity creating a flow field capable of causing additional agitation and mixing the tank contents.

  • Pumping Liquids
  • Pumping Gases
  • Heating Liquids
  • Tank Mixing
  • Solids Transport
Models for Pumping Liquids SL ML HL SG HG
Operating Media Liquid Liquid Liquid Steam Steam
Operating Pressure (PSIG) 15-200 15-200 15-200 30-150 20-150
Pressure Recovery % 10-15 30-35 40-50 15-20 30-35
Maximum Suction Lift 27 ft 27 ft 27 ft 20 ft 20 ft
Maximum NPSH Required 3 ft 3 ft 3 ft 13 ft 13 ft
Models for Pumping Gases ML HL SG HG
Operating Media Liquid Liquid Steam, Air Steam, Air
Operating Pressure (PSIG) 20-200 15-200 30-150 20-150
Maximum Vacuum 29 in Hg 29 in Hg 24 in Hg 23 in Hg
Discharge Pressure 15 15 12 35
Applications Evacuate, Exhaust, Prime
Models for Heating Liquids MLE ML MLH ULJ ULH TLA
Heating Process In-Line In-Line In-Line In-Line In-Line In-Tank
Max Temp Rise 180 200 215 200 200 125
Maximum GPM Heated 5000 5000 5000 700 700 2000
Steam Press Range Vac-45 Vac-100 Vac-120 0-150 0-150 10-140
Tank Mixing TLA
Operating Media Liquid, Air
Operating Pressure (psig) 10-150
Suction Pick-up Ratio 4:1
Plume Length 1 ft per psi
Maximum GPM Motive 3200
Viscosity Range 1-2000 cP
Models for Solids Transport SL ML HL ULJ SG
Operating Media Liquid, Air Liquid, Air Liquid, Air Air Air
Operating Pressure (psig) 5-100 5-100 3-100 15-50 20-100

** Click on Models to Visit Model Page.

Pumping Liquids
Pumping Liquids. For such a usage, a liquid motive is used to pump another liquid. This is extremely beneficial in areas where an electric pump might present an explosion hazard, or where electric lines might not be available such as when draining a sump. Other typical applications include pulling an acid or base into a water stream in order to dilute that acid or base, and for boosting the NPSH (Net Positive Suction Head) of another pump.
Heating Liquids
Heating Liquids. Using steam as the motive force to pump a liquid also works to heat the liquid. For example, when drawing water from a pond, the need exists to warm that water as it's being supplied to a process. The eductor performs two functions in one. Other applications include heating process fluids in line, cooking slurries in line, and heating reactor jackets.
Pumping Gases
Pumping Gases. In this case, liquid is again used as the motive force. One typical application is the aeration of a liquid in order to reduce BOD (Basic Oxygen Demand) of the fluid. Others include exhausting vapors or gases from a room, evacuating a vessel, scrubbing fumes from a gas, or creating vacuums. In addition, should there be a need to inject air, ozone, chlorine or other gases into a process liquid, eductors will perform that function efficiently and effectively.
Overview

Eductors are the most efficient way to pump or move many types of liquids and gases. There are literally hundreds of uses for eductors, particularly in the petrochemical, process, and power industries.

Eductors work in just about any place where there is a need for a more efficient way to pump liquids and solids. The new line of JRG/JT Eductors offers advanced design features and superior technical capabilities to create the eductor for virtually any application.

 

Penberthy Jet PumpsReplace Penberthy Jet Pumps

Looking to replace your Penberthy Jet Pump with a Jet Pump that offers better performance? Our eductors feature the newest ideas in eductor design and manufacture, ideas that provide real user benefits. Our eductors match Penberthy eductors in connection sizes & dimensions. There is no need for repiping or resizing. The product is supported by a knowledgable staff, large inventory and World Class Manufacturering.

Penberthy Model Replace With Jacoby: Product Page
Penberthy Jet Pump Model LL Jet Pump Model SL see site page
Penberthy Jet Pump Model LM Jet Pump Model ML see site page
Penberthy Jet Pump Model LH Jet Pump Model HL see site page
Penberthy Jet Pump Model GL Jet Pump Model SG see site page
Penberthy Jet Pump Model GH Jet Pump Model HG see site page
Penberthy Jet Pump Model HLM Jet Pump Model MLH see site page
Penberthy Jet Pump Model ELL Jet Pump Model MLE see site page
Penberthy Jet Pump Model RJ Jet Pump Model MLE see site page
Penberthy Model CTE Model TLA see site page
Penberthy Model TME Model TLM see site page
** PVC units match metal eductors.