External Gear Pump

External Gear Pump

Rotoʼs external gear pump with its innovative design is compact, efficient and ensures longer service life. These gear pumps are having simple four piece construction, specially designed to handle thinner to thicker & even corrosive liquids with lesser or no lubrication. Rotoʼs external gear pumps are available in various materials and can also be customized for high pressure applications.

Gear Pump

  • Capacity up to 120m³/hr or 530 GPM
  • Pressure up to 11 bar or 160 PSI
  • Viscosity up to 1,00,000cSt
Category:

Gear Pump Working Principle

Gear pumps are one of the most common types of positive displacement pump. These pumps operate by an unchanging volume of fluid passing between the teeth of two meshing gears and their casing at a constant rate. As the gears rotate and the meshed teeth separate, a partial vacuum is formed that fills with fluid. As the gears continue to rotate, they trap the liquid and move it around the casing from the suction to the discharge point.

Material Options

Casing & Covers:
Cast Steel / SS 304 / SS 316 / SS 316L / Duplex Steel / LCB / Titanium / Cast iron

Shaft:
EN – 9 / SS431 / SS 316 / SS 316L / Titanium

Gears:
EN – 353 / SS 316 / SS 316L / SS431 / Titanium

Bearings:
Bronze Bush / Teflon Coated DU / White Metal / Peek / Ball Bearing ZZ

Sealing Options:
Oil Seal / Gland Ring / Single Mechanical Seal / Double Mechanical Seal

Sealing Options

  • ROTO SEAL CODE “A” GLAND PACKING
  • TEMPERATURE RANGE – UP TO 250 DEGREE C
  • ROTO SEAL CODE “B” GLAND PACKING WITH LANTERN RING
  • TEMPERATURE RANGE – UP TO 250 DEGREE C
  • ROTO SEAL CODE “C” OIL SEAL
  • TEMPERATURE RANGE – UP TO 70 DEGREE C FOR NEOPRENE AND NITRILE RUBBER UP TO 150 DEGREE C FOR VITON RUBBER
  • ROTO SEAL CODE “D” MECHANICAL SEAL SINGLE
  • TEMPERATURE RANGE – UP TO 125 DEGREE C
  • ROTO SEAL CODE “E” MECHANICAL SEAL DOUBLE
  • TEMPERATURE RANGE – UP TO 125 DEGREE C
  • ROTO SEAL CODE “F” Cartridge Seal NON API
  • TEMPERATURE RANGE – UP TO 175 DEGREE C
  • ROTO SEAL CODE “G” Cartridge Seal API
  • TEMPERATURE RANGE – UP TO 175 DEGREE C

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