Cast Aluminum D-Type Female Dry Coupler with Butterfly Valve for Fuel Unloading

Cast Aluminum D-Type Female Dry Coupler with Butterfly Valve for Fuel Unloading

The HBD-BFV series D-Type Female Dry Coupler with Butterfly Valve is a high-performance safety device engineered for gasoline and fuel station operations, designed to meet stringent environmental and operational standards. Built in compliance with Chinese GB20592-2020 emissions regulations, this coupler ensures minimal vapor emissions during fuel unloading, making it an ideal solution for environmentally conscious fueling systems.

Its interlock mechanism guarantees that the butterfly valve must be fully closed before the hose assembly can be disconnected, preventing potential fuel spills, cross-contamination, and safety hazards. Crafted from premium cast aluminum alloy, the coupler combines robustness, lightweight handling, and straightforward operation, making it suitable for high-frequency use in fuel depots, service stations, and tanker unloading platforms.

Across the globe, this product is known by a variety of names reflecting regional preferences: Dry Coupler, Butterfly Valve Camlock, D-Type Female Fuel Coupling, Vapor-Safe Fuel Coupler, Environmental Protection Quick Connector, Fuel Discharge Safety Coupler, Anti-Spill Dry Coupling, Gasoline Station Dry Disconnect Adapter. Despite differences in terminology, all highlight the product’s focus on safety, environmental compliance, and reliable liquid transfer.

Key Features
Environmental compliance: Meets GB20592-2020 emission standards for gasoline filling stations.
Interlock safety mechanism: Ensures the butterfly valve is closed prior to hose disconnection.
Universal compatibility: Works seamlessly with Chinese GB standard Camlock couplings.
Durable construction: Cast aluminum alloy body for long-lasting performance.
User-friendly design: Lightweight, simple operation, and easy to handle.
Sealing flexibility: Female coupler gasket options include Buna-N or Viton, while the butterfly valve disc uses Viton for chemical and fuel resistance.
Working pressure: Rated up to 0.6 MPa, suitable for standard fuel transfer applications.

Ordering Specifications
Item No. Size Description
HBD-BFV-100-100 4-inch Female × 4-inch Female BSPP Thread
HBD-BFV-80-80 3-inch Female × 3-inch Female BSPP Thread

Replacement parts, such as gaskets and handle pins, are available for extended service life and maintenance convenience.

Typical Applications
The HBD-BFV D-Type Female Dry Coupler is widely applied in fuel tank truck unloading, gasoline station fuel transfer, liquid depots, rapid loading and unloading platforms, and environmentally sensitive fuel handling operations.