Suction Control Valve

SCV valve 200 series for john deere 6430 SCV valve

The merits of the common rail fuel injection system architecture have been recognized since the development of the diesel engine.Lower fuel pump peak torque requirements. As high speed direct injection (HSDI) engines developed, more of the energy to mix the air with fuel came from the fuel spray momentum as opposed to the swirl mechanisms employed in older, IDI combustion systems. Only high pressure fuel injection systems were able to provide the mixing energy and good spray preparation needed for low PM and HC emissions. To generate the energy required to inject the fuel in approximately 1 millisecond, the conventional distributor pump would have to provide nearly 1 kW of hydraulic power in four 1 ms bursts per pump revolution, thus placing considerable strain on the drive shaft. One of the reasons behind the trend toward common rail systems was to minimize the maximum pump torque requirement. While the power and average torque requirements of the common rail pump were similar, high pressure fuel delivery is to an accumulator and thus the peak flow rate (and peak torque required to drive the pump) does not have to coincide with the injection event as is the case with the distributor pump. Pump discharge flow can be spread out over a longer portion of the engine cycle to keep pump torque demand more even.

Improved noise quality. DI engines are characterized by higher peak combustion pressures and, thus, by higher noise than IDI engines. It was found that improved noise and low emissions were best achieved by introducing pilot injection(s). This was most easily realized in the common rail system, which was capable of stable deliveries of small pilot fuel quantities over the entire load/speed range of the engine. 

China Lutong Parts Plant is a professional manufacturer of diesel auto parts, integrating production, sales and service. Through the exhibition, we will broaden our horizons, open up ideas, learn advanced technologies, and share and cooperate to expand the company's visibility and influence in the oil pump nozzle industry. As an expert in diesel injection systems, our main products to show: common rail system spare parts. This time we recommend common rail system products such as common rail nozzles, Common rail control valves, common rail injectors, etc. .Of course, mechanical pump system products also welcome to enquiry: for example, VE, DPA, DPS and DP200. head rotor ans so on.

our commpany as the old exhibitor of Automechanika Frankfurt .We still choose the old Position Booth 4.2A12 to meet with new and old customers. We are especially grateful to the Automechanika Frankfurt for providing such a good platform for us. Through these exhibitions, our company has demonstrated our comprehensive strength. We get in touch with and meet some new friends, At the same time, let our partners know more and trust us.

As a professional manufacturer of diesel engine injection systems. Our main products are common rail system pump parts and traditional injection pump parts. It includes common rail injector,common rail nozzle,  type control valves, type Orifice Plate, Delphi type Control Valves, Acturtor for Volvo,Cat type injector C7,C9,Solenoid Valve for C7C9 and so on .Ve type diesel injection pump parts , Ve Distributor Head Rotor,Feed Pump,Cam Disk,Drive Shaft ,Solenoid Valve, Gasket Kits, Liner, Cross Disk, Roller ,Diesel Plunger (A,AD, P, PS7100,P8500,MW,EP9 type),Injector Nozzle (Dn, DN0PDN ,S , SN, P, PN type),Pencil Nozzle, Diesel Injector and so on .

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On diesel engines, it features a high-pressure (over 100 bar or 10 MPa or 1,500 psi) fuel rail feeding solenoid valves, as opposed to a low-pressure fuel pump feeding unit injectors (or pump nozzles). Third-generation common-rail diesels now feature piezoelectric injectors for increased precision, with fuel pressures up to 2,500 bar.

High pressure injection delivers power and fuel consumption benefits over earlier lower pressure fuel injection, by injecting fuel as a larger number of smaller droplets, giving a much higher ratio of surface area to volume. This provides improved vaporization from the surface of the fuel droplets, and so more efficient combining of atmospheric oxygen with vaporized fuel deliverin

SCV valve 200 series for john deere 6430 SCV valve

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