ET4900-JY Engine oil thermostatic system

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Et4900-jy Engine oil Thermostatic system - Product background

Summary:

With the continuous development of the automobile industry, the engine speed and power are constantly improved, and the increasing thermal load puts forward higher requirements for the reliability of the engine lubrication system. One of the main factors affecting the reliability is that the oil temperature is too high, the viscosity decreases significantly, the stability decreases, the oxidation deteriorates the household, the pressure is low, easy to cause the burning axle bush, burning crankshaft, cylinder liner and other faults. Therefore, in order to ensure the best lubrication effect of engine oil and improve the reliability of lubrication components, the engine oil should be kept at 95℃ for a long time, and the oil cooler should be equipped in the lubrication system.

Et4900-jy engine oil thermostatic system is designed and manufactured according to the national standard GB19297-2001 "Engine Performance Test Methods", and is used for engine bench test. The system adopts the engine oil sump oil circulation mode to control the oil temperature, and the temperature is 60-140℃ oil temperature control. It has good safety and is not affected by engine operating condition and ambient temperature change.

Considering the convenience of user's use and maintenance and the need of control, this system adopts movable structure.

Et4900-jy Engine Oil thermostatic system -- Performance Indicators:

model	ET4900-JY
Specification (Applicable power (dynamometer))	≤400kW
Power supply (excluding power of options such as heater)	380V±10%；50Hz±1Hz；2kW
Power supply (excluding power of options such as heater)	220V±10%；50Hz±1Hz；0.2kW
Temperature control range	45-130℃
Control precision	±2℃
Control instrument	Temperature control instrument
External cooling water requirements
Maximum inlet (cooling water) temperature	≤32℃
Plate heat exchanger	0.5m²
Cooling water pressure	0.3-0.4MPa
Cooling water flow (inlet/outlet differential pressure: 2bar)	6m³/h
Pressure drop under nominal flow(Dp)	40kPa
External cooling medium
PH	7.2-9.5
freeCO2（mg/l）	<3
Carbonate hardness(ºdH2)	<5
Total hardness(ºdH（dH=10mg/l）	<8
salt(mg/l)	<2400
chloride(mg/l)	<150
nitrate(mg/l)	<50
The iron content(mg/l)	<1.0
Manganese content(mg/l)	<0.15
The oil content(mg/l)	0
The algae（m/L）	0
Internal cooling medium	The oil
Oil or lubricating oil loop connection
Engine oil outlet	DN15
Engine oil inlet	DN15
External cooling water loop connection
Cooling water intake	DN25
Cooling water outlet	DN25
Circulating pump
traffic	2.0m³/h
power（380VAC)	1.5kW
Preheating function
Electric heating power	2kW
Traffic monitoring
Flow monitoring accuracy	±3%FS
Oil pressure regulating
Oil pressure adjustment range	100kPa-400kPa(manual)
Accuracy of oil pressure regulation	±15 kPa

ET4900-JY Engine oil thermostatic system - main applications

Applied to various small and medium power engine test support systems.

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Tel：028-85737373 | Email：cb@chengbang.cn | Address：No. 1588, Checheng West 5th Road, Longquanyi District, Chengdu

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