automatic fuel nozzle repair DLLA118P1697 automatic nozzles for Komatsu

Basic Information:LW

Specification: automatic fuel nozzle repair 
OE No.: DLLA118P1697 
Injector No.: Common Rail Injector
Cylinder: Multi-cylinder
Type: Common Rail Nozzle
Engine Type: Diesel Vehicle
Needle Color: Black
MOQ: 1 Box
Warranty: 6 Months
Transport Package: Inner Plastic Tube, Outer Is Box
Origin: China
HS Code: 8409999100

Product Description:

1. Raw material: W6Mo5Cr4V2; 18CrNi8
2. Processing Technique: Vacuum hardening
3. Rigidity: HRC62-65
4. Guarantee time: 180 days
5. Delivery Time: 5 days after payment
6. OEM Service

In these old mechanical indirect systems, the pump had to do double duty. It not only supplied fuel system pressure but also acted as the timing and delivery device. Additionally, these elementary systems relied on simple mechanical inputs (there were no electronics yet) such as fuel pump revolutions per minute (RPMs) and throttle position to meter their fuel delivery.

All nozzles must produce a fuel spray that meets the requirements of the performance and emissions goals of the market for which the engine is produced regardless of details of the fuel system design (i.e., regardless if the fuel system is of the common rail, unit injector, unit pump or pump-line-nozzle type). Additionally, specific requirements for injection nozzles can also depend on the fuel system type :
?      Common rail-nozzle operates under more demanding tribological conditions and must be better designed to prevent leakage.
?      Unit injector/unit pump-pressure pulsing conditions create more demanding fatigue strength requirements.
?      Pump-line-nozzle-hydraulic dead volume must be minimized.

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