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Roto External Gear Pumps

Roto Pumps is one of the leading External Gear Pumps manufacturers. These types of Positive Displacement Pumps comprise of two gears located inside a casing in such a manner that their teeth are locked together. One of these gears is connected to a motor. The motor powers the rotation of one of the gears, which causes the other gear to rotate in the opposite direction. When the liquid is pulled from the suction end of the pump, it moves through the gaps in the teeth of the gears and gets transferred to the discharge end of the pump.

Roto’s External Gear Pumps are built with a plain four-piece design, and are an ideal choice for the transfer of highly viscous and corrosive fluids. These pumps can easily be customized and are available in duplex steel, cast steel and cast iron among other materials. These kinds of pumps are suitable for several industries including paints, chemicals and oil and gas.

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

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

gearpump-h-series

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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