Fuel Injection Internal Gear Pumps
The “ DEVPUMPS” DFIG -Series bracket / flange mounted Positive Displacement Fuel Injection Internal Gear Pumps are specially design for fuel pressurizing or oil firing applications in Boilers, Burners, Heating Pumping Systems etc. Above pumps are self priming internal gear type design having Crescent available with or without built-in pressure relief valve and external by pass arrangement. The pump body & covers are made from Graded Cast iron or SG Iron , Gears & Shaft are made from Alloy Steel Harden & Ground Materials , shaft sealing is by Mechanical Seal for leak free operation The above pumps are mainly design for Non-corrosive & Non abrasive fuel oils only. The special Integral Pressure Relief Valve regulate the oil pressure to the nozzle line. All oil that does not go through the nozzle line will be dumped through the valve back to the return / by-pass line in external by-pass arrangement or, if there is an internal by-pass arrangement than oil goes back to the suction port in the gear-set.
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