Quality Control


Production & Installation 



As product’s quality is our priority, the production of injection orifice plates is very strictly controlled.

The injection orifice plates must be produced in dust-free workshop. The orifice plate’s production procedures include pre-heat treatment, post-heat treatment and CNC surface treatment. In each produce process, we strictly check every part’s quality and exclude bad quality parts so as to make sure our products meet usage standard.



Injector orifice plate’s Installation


When install injector orifice plate, there are some precautions you need to know to prevent the injection orifice plates working failure:

① Clean the injection orifice plate in an ultrasonic cleaner for 3-5 minutes before installation, so as to make the stains, dust, rust-proof oil oxides, paraffin base, naphthenic base, intermediate base,salt, lead naphthenate, zinc naphthenate, sodium petroleum sulfonate, barium petroleum sulfonate, calcium petroleum sulfonate, tallow diamine trioleate, rosinamine on the surface of the injection orifice plate fall off.


② Use compressed air to clean the cleaning fluid attached to the surface of the injection orifice plate after cleaning, and clean it up to the standard of usage. The details are as below:


● When installing the injection orifice plate, make sure that each part of the injection orifice plate can be moved smoothly in it.

● If the injection orifice plate is not installed in accordance with the standard, it may cause serious damage to the injection orifice plate and injector.





dieselorificeplate.com has a mature business trading system, and as we all know, good service is one of the main reasons to make long-term business cooperation with customers. Therefore, dieselorificeplate.com provides services such as replacement, repair, refund etc,. to our customers, as well as 6-12 months of warranty period for each patch of injection orifice plates that sent to our customers. And when you meet product’s quality problem, we will help you to solve it until you are satisfied.