Products Description
3/4/6 Cylinder CNG LPG Sequential Injection Injector Rail Matching AT12 Reducer

Product Overview
This CNG LPG gas injector rail is key control component for multi-point sequential injection autogas systems, perfectly matched with AT12 LPG pressure reducer. Available in 3-cylinder, 4-cylinder and 6-cylinder specifications, the integrated rail assembly consists of solenoid valves, precision nozzle and alloy rail main body, the number of nozzles matches the engine cylinder count. It is a necessary spare part for complete petrol-to-gas retrofit kits, you can view full series equipment at CNG conversion kits page, all supporting gas parts are collected in autogas accessories category.
Core Product Advantages
1. High precision injection nozzles, consistent gas supply for each cylinder to improve combustion efficiency;
2. Integrated aluminum alloy main body, anti-corrosion and anti-vibration for long vehicle service life;
3. Fast opening & closing response (2.5ms each), stable air-fuel ratio during acceleration and idling;
4. Wide working pressure range, strong pressure resistance up to 8bar for safety operation;
5. Wide operating temperature from -20℃ to 120℃, adapt all climate vehicle environments;
6. Standard DC12V drive voltage, universal matching all mainstream autogas ECUs.
CNG LPG Injector Rail Technical Parameters
| Opening Time | 2.5 ms |
| Closing Time | 2.5 ms |
| Normal Working Pressure | 0.5~2.5 bar |
| Max Bearing Pressure | 4.5 bar |
| Ultimate Undertake Pressure | 8 bar |
| Driving Voltage | DC12V±10% |
| Rail Body Material | High Strength Aluminum Alloy |
| Nozzle Diameter | 1.5mm |
| Operating Temperature Range | -20℃ ~ +120℃ |
We support bulk wholesale of all sequential injection gas spare parts, provide matching technical guidance for global gas modification workshops and distributors.




