The AT09 Repair Kit is a professional diaphragm maintenance solution designed for AT07 LPG and CNG pressure regulators. Manufactured to meet strict automotive gaseous fuel system standards, this repair kit effectively restores original regulator performance, solves air leakage, pressure instability and aging failures during long-term use.
Made of high-strength aluminum, premium rubber and copper materials, the kit features excellent pressure resistance, temperature adaptability and sealing performance. It supports stable operation under extreme working conditions, perfectly matching various GLP and NGV vehicle gas conversion systems for passenger cars and commercial vehicles.


Core Features
Standard replacement kit for AT07 gas pressure regulator, precise matching and easy installation
Adopts aluminum, rubber and copper composite materials for durable sealing and anti-aging performance
Supports maximum 30 bar inlet pressure, suitable for high-load autogas system operation
Wide temperature tolerance from -20℃ to +120℃, adapting to various vehicle working environments
Applicable for LPG, CNG, GLP and NGV dual-fuel conversion maintenance projects
Supports engine power up to 350HP, stable output without pressure fluctuation
Technical Specifications
| Product Name | AT09 Reducer Diaphragm Repair Kit |
| Applicable Model | AT07 Regulator |
| Main Material | Aluminum, Rubber, Copper |
| Maximum Inlet Pressure | 3 MPa (30 Bar) |
| Supported Engine Power | 350HP |
| Product Weight | 0.8KG |
| Working Temperature | -20℃ ~ +120℃ |
| Application | LPG / CNG / GLP / NGV Conversion System |
Frequently Asked Questions
What is the AT09 repair kit used for?
The AT09 repair kit is specially used for overhauling and replacing the diaphragm and sealing parts of AT07 gas regulators, solving common faults such as gas leakage and unstable pressure.
What vehicles and systems does this kit fit?
It is widely compatible with LPG, CNG, GLP and NGV vehicle gas conversion systems, suitable for most gasoline dual-fuel modified cars and light commercial vehicles.
What is the maximum pressure resistance?
The repair kit supports a maximum inlet pressure of 30 bar, meeting the working pressure requirements of most automotive autogas regulators.
Can it work in high and low temperature environments?
Yes. The working temperature ranges from -20℃ to +120℃, ensuring stable sealing performance in extreme cold and high-temperature engine compartments.
Is professional installation required?
Yes. Regulator diaphragm replacement involves high-pressure gas systems. Professional autogas technicians are required for disassembly, replacement and calibration to ensure safety and stability.
Application & Maintenance Tips
Regular replacement of aging diaphragms and sealing accessories can effectively avoid gas leakage and power attenuation. After repair, test the system pressure and air tightness to ensure the regulator works stably. This high-quality repair kit provides long-term reliable protection for vehicle gas conversion systems.


