Stainless Steel 304 API Gravity Unloading Coupler (3-Inch Male Connector for Low-Corrosive Liquid Transfer)

Stainless Steel 304 API Gravity Unloading Coupler (3-Inch Male Connector for Low-Corrosive Liquid Transfer)

The HB8061-S-3 Series API Gravity Unloading Coupler is specifically engineered for safe and efficient bottom loading of diesel, kerosene, and other low-corrosive chemical liquids. Constructed entirely from stainless steel 304, this coupler offers superior corrosion resistance and durability, making it ideal for harsh chemical handling environments. Its Viton seals provide excellent chemical compatibility, ensuring leak-free operation under demanding conditions.

The coupler features a 70-degree inclined design, simplifying hose connection while minimizing wear, which prolongs hose service life and enhances overall operational efficiency. The inner lip interface is engineered for seamless compatibility with connectors conforming to API 1004 standards, enabling rapid and secure coupling and uncoupling.

Globally, this product is known by multiple names depending on the region: API Drop Adaptor, Stainless Steel Gravity Coupler, Bottom Loading Quick Connector, Chemical Fuel Coupling, API Chemical Transfer Coupler, Low-Corrosive Liquid Unloading Adapter, Diesel & Kerosene No-Drip Coupler. Despite variations in terminology, all these names highlight its safety, reliability, and versatility in liquid transfer applications.

Key Features
Premium stainless steel 304 body: Exceptional corrosion and chemical resistance for long service life.
Viton seals: Chemically compatible with diesel, kerosene, and mildly corrosive liquids, ensuring leak-free operation.
Optimized connection design: 70-degree inclined male connector for smooth hose engagement and extended hose durability.
High-pressure capability: Designed for working pressures up to 1.0 MPa and a temperature range -20°C to +120°C.
Easy maintenance: Main gaskets and spare parts are replaceable, minimizing downtime and ensuring continuous operation.
Compact and precise: 3-inch male connector designed for easy integration with standard API bottom adapters.

Typical Applications
The HB8061-S-3 stainless steel gravity unloading coupler is widely used in chemical tank truck bottom loading, industrial fuel and kerosene transfer, low-corrosive liquid depots, chemical plant piping systems, and rapid liquid unloading platforms.