Quality Inspection

At commonraildieselpumps.com, we are dedicated to ensuring quality. Each of our Common rail dieselpumps undergoes three thorough inspections before shipment:

comprehensive examination, random sampling, and batch assessment. Browse our catalog with confidence, knowing that our products have passed rigorous quality assessments to guarantee your complete satisfaction.

During the produce of Common rail dieselpumps, there are totally 15 steps of quality inspection. They are selection of raw material, the inspection during production and inspection of finished products. In these 15 steps, one step missed can cause the bad quality or failure production, therefore, every process has specific workers to responsible, and that finally made our professional production team.

Here are some description of Common rail dieselpumps’ produce processes:

1. Inspect raw materials and make backup of raw materials test report;

2. Cutting raw materials with blanking machine;

3. Inspect raw material’s cutting diameter and length;

4. Forging and forming processing on the raw materials;

5. Inspectors conduct the all kinds of inspections of forming blank;

6. Remove the blank scrap ;

7. Blast the surface of the blank;

8. Conduct surface treatment inspection after sandblasting;

9. Perform blank machining;

10. Process Common rail dieselpumps’s body seal threading;

11. Process Common rail dieselpumps body connection threading;

12. Process Common rail dieselpumps’s hole;

13. Inspector conducts general inspection;

14. Install the Common rail dieselpumps;

15. The packing workshop finish product packaging.

Before sending out of the factory, the finished Common rail dieselpumps still need to undergone through three inspections—full inspection, random inspection, and batch inspection. In these inspections, different brands of test benches are used to test the same Common rail dieselpumps for total of no less than three times.

Apart from above, Common rail dieselpumps is one of the most important running parts, it is also one of parts with the highest damage rate, even tiny particles can cause failure of Common rail dieselpumps and even entire components. So it is important to make sure the whole produce process and installation and its working place are dust-free.