Main function
The LPG dispenser is a terminal metering and refueling execution unit that connects the LPG storage tank to the LPG vehicle fuel system. Its main function can be summarized as:
- Realize safe and controlled fuel transfer
As a physical interface, it safely refills fuel from the station storage tank into the vehicle cylinder under controlled pressure and flow through an air gun and hose.
- Complete accurate trade settlement
Its core commercial function is to accurately measure (in liters or kilograms) the amount of LPG added each time, and based on this, price and charge, which is a key equipment for gas stations to achieve sales revenue.
- Provide a user interaction interface
Through the display screen, keyboard, and payment interface (IC card, scan code, swipe card, etc.), interact with the driver to display unit price, amount, and amount, and complete the transaction.
- Implement security logic control
The built-in microprocessor controls the refueling logic, manages emergency shutdown (ESD) response, communicates with the station control system, uploads refueling data and alarm information, and is an important part of the safety closed-loop
Main parameters and performance
|
Category |
Typical Parameters and Performance Description |
|
Work pressure |
0.8 - 2.5 MPa |
|
Flow range |
30-60 liters per minute |
|
Measurement units and accuracy |
Mainly in liters (L) or kilograms (kg). |
|
Key component |
LPG dedicated pump, liquid phase flowmeter, disconnect valve, emergency shut-off valve |
|
Environmental adaptability |
-20℃ ~ 50℃ |
Application positioning
Advantages summary:
Mature technology, low cost, user-friendly operation, safe and reliable.
Parameter core:
Centered around "medium and low pressure (~1MPa), liquid volume measurement (liters), and moderate flow rate".
Performance key:
Measurement accuracy, long-term reliability, safety interlock.
Core functions:
Safe refueling, precise measurement, and trade settlement.
Main application scenarios
Taxis and private cars: LPG taxis are still the main force in many cities around the world (such as South Korea, Italy, Poland, Türkiye and some cities in China).
City buses and municipal vehicles.
Light logistics vehicles in specific regions.
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