EXTERNAL GEAR PUMPS – EG Series

The External gear pump employs two identical gears rotating against each other – one gear is driven by a motor and it in turn drives the other gear. As the gears come out of mesh, they create expanding volume on the inlet side of the pump. Liquid flows into the cavity and is trapped by the gear teeth as they rotate. Liquid travels around the interior of the casing in the pockets between the teeth and the casing.

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MAIN APPLICATIONS:

  • Transfer, booster and Process pumping for general industry needs
  • Unloading of tank lorries and rail car
  • Loading of rail cars, tank lorries and barrel filling

LIQUIDS:

  • All grade of fuel oils, Lube oil, Paints, Varnish, Resins, Grease and similar high/low viscous products having some lubricating value

PRODUCT SPECIFICATIONS AND FEATURES:

Casing Cast Iron
Cover Cast Iron
Gears Carbon Steel – Nitrided
Shaft SS 410
Seal Non Asbestos Gland Pack / Mechanical Seal
Capacity 125 – 850 lpm
Outlet Pressure Up to 10 bar
Viscosity 6 – 5000 cst
Temperature Up to 140°C
Speed Up to 1450 rpm
Drive Direct Only
Rotation Anti-clockwise facing pump drive shaft

VALUE PROPOSITION:

  • High speed
  • No overhung bearing loads
  • Protected by a relief valve
  • Relatively quiet operation
  • Single sealing, external bearing
  • Low noise and pulsation
  • Reversibility
  • Easy maintenance

MARKET SEGMENTS:

  • Power Generation
  • Steel
  • Paint
  • Chemical
  • Oil Depots

CONSTRUCTION:

Each gear is supported by shaft with bearings on both the sides of the gear. Because the gears are supported on both the sides, external gear pumps are quiet – running and are routinely used for low and medium applications. With no overhung bearing loads, the rotor shaft can not deflect and cause premature wear. Comes with a Built-in Relief valve

PERFORMANCE DATA:

Testing Medium: Lube Oil    Viscosity: 75 cSt     Speed: 1450

 

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