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3G Series Heat Insulated Fuel Oil Three Screw Pump


It applies to deliver clean and non-corrosive medium which has lubricating troperty at temperature beow ≤150ºC,with the viscosity of 5-760cSt,The pump's working pressure range from 0.6MPa to 2.5MPa and flow capacity range from 0.6-123m3/h.
(1)Medium is delivered in axial direction continuously without agitation and pulsation.
(2)Small vibration and low noise
(3)High pressure and high efficiency
(4)Simple structure,easy disassembly and assembly
(5)Small volume and lighe weight
(6)Slight wear and long life of the pump
Structure:The pumps are sealed generally by mechanical seal and driven by the motor through the claw coupling.
Material: The driving and driven screw 16MnCrS5,40Cr,45,38CrMoALA  Pump casing: HT200,QT450-10,ZCuSn10Pl,ZG270-500
Example of pump model
3G:three screw pump
25:out-side dizmeter of the driving screw 25mm
4:potch number of the screw
46:46° pitch angle of the screw
R:hezvy fuel oil
r:light fuel oil
W:high temperature heated oil
N:high visc oil
A:code of design improvement
S:double suction
According to the application modes three screw pump is divided into five series

SeriesMain applicationPerformancescope
Capacity m3/hPre MPa
3GLub oil visc3-20oE;temp≤80ºC0.6-5702.5
3GRHeavy feul lil visc3-50oE;temp≤120ºC0.6-5702.5
3GRLight feul oil visc1.2-5oE;temp≤120ºC0.6-5701.6
3GWHigh temp feul heated oil;temp≤150ºC0.6-3631.6
3GNHigh visc oil 100oE;temp≤80ºC0.6-6362.5

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