AC-11B Automatic Shut Off Fuel Nozzle

Product Description

The AOCHENG AC-11B Automatic Fuel Nozzle is designed for self-service and card-lock fuel dispensing systems. Its automatic shut-off mechanism helps prevent overfilling by closing the nozzle when the appropriate pressure change is detected after the tank reaches its filling limit.

Featuring a lightweight aluminum body, replaceable spout, low-profile design, and full-hand insulator, the AC-11B combines practical handling with reliable fuel dispensing functionality. Its pressure-detecting main valve is designed to remain closed when the hose does not have sufficient pressure, supporting controlled operation in compatible dispensing systems.

Key Features

• Automatic Shut-Off: Designed to stop fuel flow automatically when the appropriate shut-off condition is detected.
• Pressure-Detecting Main Valve: Helps prevent fuel flow when sufficient hose pressure is not present.
• Lightweight Aluminum Body: Offers practical handling and a durable structure.
• Replaceable Spout: Simplifies maintenance and replacement.
• Full-Hand Insulator: Helps protect the user’s hand and the vehicle surface from direct contact with the nozzle body.
• Low-Profile Design: Provides a practical appearance and convenient handling.
• Selective Splash Guard: Helps limit fuel splash during dispensing.
• Multiple Insulator Options: Available in different colors for product identification and configuration.

Applications

• Self-service fuel dispensing systems
• Card-lock fuel dispensing equipment
• Diesel and gasoline dispensing
• Commercial fuel stations
• Compatible fuel transfer pumps and dispensing systems

Technical Specifications

Product Advantages

Designed for Self-Service Dispensing

The AC-11B is designed for self-service and card-lock fuel dispensing applications, where automatic shut-off and convenient handling are important operating considerations.

Pressure-Detecting Shut-Off Mechanism

The pressure-detecting main valve is designed to help keep the valve closed when sufficient pressure is not available in the hose, supporting controlled dispensing operation.

Easy Maintenance

The replaceable spout design simplifies servicing and helps reduce the need to replace the entire nozzle when the spout requires attention.

Practical Ergonomic Design

The lightweight aluminum body, low-profile form, and full-hand insulator support convenient operation during routine dispensing.

Configuration Flexibility

Different spout sizes and insulator options allow the nozzle to be configured for compatible equipment and distributor requirements.

FAQ

1. Why is the AC-11B suitable for self-service and card-lock dispensing systems?

The AC-11B is designed for self-service applications that benefit from automatic shut-off and controlled fuel delivery. Its pressure-detecting valve and automatic shut-off mechanism support dispensing operations where the nozzle must respond to changing filling conditions. System-level compatibility should be confirmed before installation.

2. How does the pressure-detecting main valve contribute to dispensing control?

The pressure-detecting main valve is designed to remain closed when sufficient pressure is not present in the hose. This supports controlled operation in compatible systems, but it does not replace the need for correct pump selection, system pressure control, and appropriate installation.

3. What should equipment integrators evaluate when specifying the AC-11B for a card-lock system?

Integrators should assess the nozzle’s inlet thread, spout size, flow rate, working pressure, fuel compatibility, and the operating characteristics of the pump and hose assembly. They should also verify that the nozzle’s automatic shut-off behavior is appropriate for the intended dispensing system.

4. How can buyers determine whether the AC-11B or AC-11A is the better option?

The AC-11B is specifically described for self-service and card-lock dispensing applications, while the AC-11A is positioned as a general automatic nozzle for compatible fuel dispensing. Buyers should compare the intended operating environment, shut-off requirements, equipment configuration, and preferred design before selecting a model.

5. How should nozzle specifications be matched to pump and hose performance?

The nozzle’s rated flow range and working pressure should be considered alongside the pump’s delivery characteristics, hose dimensions, and system pressure losses. The AC-11B is listed at 5–60 L/min and 0.18 MPa working pressure. The final configuration should operate within the manufacturer’s specified limits.