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Gear Pump Manufacturers

External Gear Pumps are a type of Positive Displacement Pumps that operate with the help of a couple of gears rotating in clockwise and anti-clockwise directions. One of these gear’s functioning is propelled by a motor. The gears are fitted together with intermeshed teeth inside the casing. The movement of one gear leads to the movement of the other in the opposite direction. The vacuum created between the teeth of the gears owing to their movement is filled with the liquid that is pulled inside the pump. The liquid gets carried through the suction end to the discharge end of the pump.

Roto Pumps is a well-renowned External Gear Pumps manufacturer and supplier. Roto’s top-quality Gear Pump’s simple four-piece built makes them a perfect choice to handle the transfer of thick and abrasive fluids. Roto’s customizable Gear Pumps comes in a variety of materials including cast steel, duplex steel and cast iron. These pumps are used in a number of industries such as oil and gas, paints and chemical among others.

Rotoʼs external gear pump with its innovative design is compact, efficient and ensures longer service life. These pumps are having simple four piece construction, specially designed to handle thinner to thicker & even corrosive liquids with lesser or no lubrication. Roto 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

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.

Catalogue

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

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

Oil & Gas Industry

Paint, Varnish & Ink Industry

Chemical Industry

Waste Water Treatement Industry

Food Industry

Sugar Industry

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