Electric Gear Pump for Fuel Dispenser

Fuel dispenser oil pump

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Model:
gear pump
Brand:
HAOSHENG

Product Description

Products Description

gear pump with cast iron body is applicable to gasoline, kerosene, diesel and gasohol. There are type A and type B inlets of the pump. Air separator, by-pass valve, check valve, outlet valve and inlet filter are built-in.

It can separate gasoline, coal oil, diesel oil, etc. oils from air, this pump collects suction, separation function together.

It has the features as follows: reasonable design, compact structure, low noise, long service life, with aluminium alloy shell, and beautiful appearance.

Fuel dispenser pump

Zcb-90 combined gear pump is composed of gear pump and oil and gas separator. Its main
function is to supply oil and to separate gas. It is the power source of hydraulic system.

Details Images

Product Paramenters

Technical parameters of pump
Item	Small flow	Large flow
flow	50～70L	60～90L
Working pressure	0.18～0.20MPa	0.20～0.24MPa
pump speed	750r/min	810r/min
Suction	＞4m	＞4m
Noise	＜72dB	＜72dB
Minimum dry pump vacuum	0.054MPa	0.054MPa
Minimum wet pump vacuum	0.070MPa	0.070MPa
Motor working current	1.5～1.8 A	1.6～2.0 A

Working principles

 The oil pump is an internal meshing gear pump, secondary oil and gas separation is carried out in the shell, and a return oil floating system is installed in the atmospheric chamber. Outlet valve and overflow valve are also placed in the same shell, and the oil is filtered twice in the pump body. 
When the oil pump is working, it absorbs oil from the tank through the suction port and the filter. Under the action of pump pressure, the oil enters the flowmeter from the outlet after passing through the fine filter.Through the rotating centrifugation of the through-pipe and the oil and gas separation in the high-pressure chamber, the gas is discharged from the small hole at the through-pipe end and the oil and gas separation hole in the high-pressure chamber, and a small 
amount of oil accumulates in the atmospheric chamber. After the oil level exceeds a certain height, the return oil floats up, and part of the oil flows into the low-pressure chamber of the return oil pump.The working pressure (flow) of the oil pump can be adjusted by adjusting the spring pressure of the relief valve. 