Internal Eccentric Gear Pump

YILDIZ’s simple “gear-within a gear” principle has only two moving parts. It is the secret of dependable, efficient operation of all positive displacement YILDIZ POMPA’s PUMPS. The positive displacement of liquid is accomplished by the complete filling of the spaces between the teeth of the rotor and idler gears. The only limiting factor to peak performance in YILDIZ POMPA, as with all rotary pumps, is that the liquid pumped must be comparatively clean.

With every revolution of the pump’s shaft, a definite amount of liquid enters the pump through the suction port. This liquid fills the spaces between the teeth of the rotor and the idler. The crescent on the pump head splits the flow of liquid as it moves smoothly towards the discharge port. The idler gear, which carries the liquid between its teeth and the inside surface of the crescent is connected to pump cover. On the otherhand, rotor gear which is rotated directly with pump shaft delivers the liquid between gear teeth and crescent’s souter surface.

 

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Product Details

PUMP PROPERTIES 
Q : 0,100 – 250 m³/h
Hm : 1 ~ 15 Bar
T : 0 ~ 200 ºC
n : 20 – 1720 rpm
Visc. : 100 ~ 250.000 SSU

Applications

  • Fuel Oil Service Tanks, Gasoil, Diesel Tankers
  • Resin and Polymer
  • Asphalt and Bitumen
  • Paper and Paint/dye industry
  • Circulation of Hot Oil (limited)
  • Medicine, Chemical and Detergent Industry
  • Food Industry.

Specifications

MATERIAL OPTIONS : 

  • Pump Body, covers: Pig Cast Iron, Spheroidal Cast ıron, Cast Steel, AISI 304/316 CrNi Stainless Steel
  • Gears : Spheroidal Cast ıron, Cast Steel, AISI 304/316 CrNi Stainless Steel
  • Bearings : Snbz 12 bronze, carbon graphite, slicon carbide, hard metal coated steel, bearing
  • Sealing : Soft Seal or Packing Gland, Rotatherm Seal, Lip Seal, Mechanical Seal, Cartridge Type Mechanical Seal
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