Gear Pumps GB & GC | Water, Oil & Various Liquids



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These pumps can be used for a variety of industrial and agricultural jobs including pumping A-crude, B-crude, oil, urine fluids and fertilizer, water drainage, laver collection, moving boiling oil, millet jelly, etc.

  • High lifting capacity and increased pressure.
  • Simple mechanism.
  • Compact and light.

Applications (GB)
  • Water
  • Sea water
  • Weak acids
  • Various chemicals

Applications (GC)
  • Kerosene
  • Light oil
  • Machine oil
  • Heavy oil
Model GC-13 GB-13 GC-20 GB-20 GC-25 GB-25
Gear Material GC: Cast Iron / GB: Brass
Connection Dia 13mm (1/2") 20mm (3/4") 25mm (1")
Delivery Volume at 200rpm 10L/min (2USG/min) 18L/min (4USG/min) 27L/min (7USG/min)
Delivery Volume at 400rpm 21L/min (5USG/min) 37L/min (9USG/min) 56L/min (14USG/min)
Delivery Volume at 600rpm 32L/min (8USG/min) 56L/min (14USG/min) 83L/min (22USG/min)
Delivery Pressure 0.1-0.3MPa (1-3kgf/cm³)
Syphoning Factor 3m (10ft)
Power 200W 400W 750W
Pulley 125xA1 150xA1 200xA1
Gross Weight 18kg 17kg 26kg
Dimensions LxWxH (mm) 401x246x182 492x262x194 265x265x275
Packing Unit 4 2


Specifications subject to change without notice.

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You can download our Koshin catalogue as PDF. Koshin catalogue »