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NEWS NEWS

The difference between Monobloc pump and high pressure common rail

  • Categories:NEWS
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  • Time of issue:2021-10-29 16:38
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(Summary description)The difference between Monobloc pump and high-pressure common rail pump, Monobloc pump and common rail have always been two parallel technical routes.

The difference between Monobloc pump and high pressure common rail

(Summary description)The difference between Monobloc pump and high-pressure common rail pump, Monobloc pump and common rail have always been two parallel technical routes.

  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2021-10-29 16:38
  • Views:
Information

The difference between Monobloc pump and high-pressure common rail pump, Monobloc pump and common rail have always been two parallel technical routes, while Monobloc pump has less use and research and development, and Monobloc pump has to withstand the test under higher standards. Monobloc pump In the current situation, Monobloc pump is much better tolerant of oil quality than common rail system. Monobloc pump system has outstanding advantages in cost and performance. Customers are advised to use Monobloc pump system on heavy vehicles. If Monobloc pump is used, Monobloc pump is recommended. In addition, the theoretical design principle of Monobloc pump can result in a gradually flattening to gradually rising fuel injection pressure curve. At the same time, the Monobloc pump adopts a production property similar to common rail.

customized Monobloc pump in china
In the process from Euro II to Euro III, Monobloc pump and common rail have always been two parallel technical routes, both of which achieve high combustion efficiency through electronically controlled fuel injection. In Europe, because diesel oil has less impurities and less sulfur, there is no good or bad distinction between these two routes. It is just that some manufacturers have done a lot of research and development on common rail. The rail system can meet the future Euro 6 emission standards, while the Monobloc pump has been following but not exceeding the current standards due to its low use and research and development. An industry insider who studies engines said: "In this sense, common rail is already a mature technology, and Monobloc pump has to stand the test under higher standards, and it is considered a technology under development.
The Monobloc pump engine has very few changes, only some changes in the oil system. Moreover, the tolerance of Monobloc pump to oil quality is much better than that of common rail system. As the refining model of the former Soviet Union has been followed, Chinese diesel has a high content of sulfur in addition to high impurities. Monobloc pump system has outstanding cost and performance advantages. It is recommended that customers use Monobloc pump system on heavy vehicles. In terms of cost, when domestic engines are upgraded from Euro II to Euro III, if Monobloc pump is used, the engine changes are very small. Moreover, the application of the dual valve system can reach the Euro IV emission level without major adjustments to the overall structure of the engine. In terms of performance, the pressure of Monobloc pump is currently 2480bar in domestic use. When upgrading to Euro IV and V, the pressure can reach 2580 bar in a two-valve system.
Moreover, the theoretical design principle of Monobloc pump can result in a gradually gentle to gradually rising fuel injection pressure curve, which is an ideal curve for the engine. In terms of fuel supply control, if a dual valve system is used, not only the pressure can be controlled, but also the injection can be controlled, and multiple injections can be used.

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