Dupro Engineering Private Limited supplies External Rotary Gear Pumps. Dupro Engineering Private Limited or "Dupro" caters to dosing, metering and high pressure pumping applications. External Rotary Gear Pumps have only two rotating parts matting externally having principle of gear within gear. The self lubricated bush bearing type design ensures longer life of pumps. This pump is simple, compact, robust designed and hence ensures longest service life. All External Rotary Gear Pumps are provided with built-in pressure relief valve. The shaft sealing is done by rubber oil seals, which ensures leak proof working than gland packing design. The alternative sealing like Z-Pack or Mechanical Seal is also provided. Jacketed features as handling Tar, Bitumen, Asphalts, Wax, Soaps, etc in liquids. External / Internal Ball / Needle Bearings type gear pumps are also available as an optional on request.

External Rotary Gear Pumps include:

Capacity: up to 850 liters/minute

Head: up to 12 kg/cm2 pressure

Size: ?inch to 4inch pump

Speed Max: 1440 rpm

M.O.C: Std. CI, CI/SS, CS, GM, All SS-316/304

Temperature: 90 degree C, Modified Version 250 degree C

Viscosity: 10,000 cst

Application: Ideal for handling of all types of oils & viscous liquids, all fuel oils, mineral oils, lubricating oils, fish and animal oils, vegetable oils, tar, asphalts, sugar syrups, molasses, starch, soaps, silicate, wood pulp, glycol, glycerin, honey, inks, colors & paints, resins, kerosene, varnishes and viscous chemicals, etc.