Description
### Product Overview
The injector control valve positioning base is assembled inside the common rail injector and is secured by three positioning pins to achieve precise alignment of the component, restricting the valve core's movement trajectory and ensuring uniform sealing surface contact. Under long-term high-pressure fuel erosion, high-frequency reciprocating impact, and friction from impurity particles, the end face of the base will wear, and the positioning pins will deform, causing the valve core to shift, malfunction in opening and closing, and leading to fuel leakage and abnormal injection. This product is standardized in terms of its size and positioning hole spacing. During the disassembly and maintenance of the injector, the components can be replaced separately, effectively restoring the injection control accuracy, and is suitable for maintenance of common rail engines of diesel construction machinery and heavy-duty freight vehicles.
Core advantages of individual products
1. **High-strength alloy steel substrate, resistant to wear and pressure, and not prone to deformation**
The base is made of high-quality alloy steel through precise processing, and the working surface is strengthened. It can continuously withstand the impact of the valve core without developing pits or wear, and is resistant to long-term erosion by high-pressure fuel.
2. **Integrated positioning pin structure, with high coaxial positioning accuracy**
The positioning pin is integrated with the base for processing. The position tolerance is strictly controlled, ensuring that the valve core runs vertically and reciprocally after assembly, significantly reducing the risk of movement jamming and maintaining continuous and stable sealing performance.
3. **Precise pressure-bearing plane, ensuring uniform force and sealing effect**
The end face is processed to a high standard of flatness. After assembly, it can uniformly withstand the spring preload force, avoiding local stress concentration that causes sealing leakage, and stabilizing the pressure range for fuel injection opening and closing.
4. **Uniform size standards, strong adaptability for disassembly, replacement, and assembly**
The overall outer diameter, thickness, and positioning pin specifications are strictly matched with the corresponding fuel injector housing. Maintenance and assembly do not require trimming, reducing the time for rework.
5. **Resistant to alternating high and low temperature conditions, suitable for complex working environments**
The material has excellent thermal stability. It does not deform under low-temperature cold start, long-term heavy-load high-temperature alternating conditions, and continuously ensures positioning accuracy.
6. **Each batch undergoes dimensional inspection, ensuring consistent parameters of individual pieces**
Each batch of products is sampled for thickness, pin spacing, and flatness testing. The specifications are unified, and the stability of large-scale maintenance and spare parts assembly is stronger.
### List of Accessories
33-1112382 Injector Control Valve Positioning Base 1 piece
### Applicable Scenario
It is suitable for trucks, buses, excavators, loaders and other construction machinery equipped with corresponding common rail diesel engines. It is used for disassembling and repairing fuel injectors, as well as replacing and repairing the wear of control valve bases.
### Product Basic Parameters
Product Name: Injector Control Valve Positioning Base
Part Number: 33-1112382
Main Material: Wear-resistant high-strength alloy steel
Structural Feature: Integrated three positioning pins, circular central through hole, flat bearing structure
Applicable Conditions: Internal components of diesel engine high-pressure common rail injector, high-frequency reciprocating impact, continuous high-pressure working condition precision limit position accessory
Product Condition: Brand-new complete positioning base, factory completed with size accuracy and flatness sampling calibration inspection
Packaging: Independent shock-proof protective packaging, protecting the positioning pins and bearing surface to avoid transportation impact damage; supporting single-piece retail and bulk purchase of the package, suitable for cross-border logistics transportation.
