Pre-Welded Female Thread Tanker Bottom Valve Mounting Flange
(Tank Truck Bottom Valve Welding Sump)
In the manufacturing of fuel tankers, chemical liquid transport vehicles, and hazardous material tank trucks, the connection between the bottom valve and the tank body plays a decisive role in vehicle safety, sealing performance, and long-term operational reliability.
The HBBVTSFL-XXXRA Series Tanker Bottom Valve Welding Flanges are specifically engineered for this critical installation point, serving as a high-stability tank-side connection component.
Providing a More Stable Mounting Base for Bottom Valves
This series is designed to be welded directly onto the tank bottom outlet, forming a rigid and secure mounting base for tanker bottom valves that comply with EN13308 or TTMA standards.
Unlike conventional flanges, the HBBVTSFL-XXXRA adopts a pre-welded female thread (nut) structure. The internal-thread nuts are permanently welded to the flange during manufacturing, allowing bolts to be installed directly from the valve side during final assembly. This significantly improves installation efficiency and minimizes alignment issues caused by on-site welding inaccuracies.
Pre-Welded Female Thread Design Optimized for Vehicle Manufacturing
In regions such as Europe, the Middle East, Southeast Asia, and South America, tanker manufacturers and body builders increasingly prefer welding flanges with integrated female threads. This design supports standardized assembly processes and simplifies future maintenance.
The HBBVTSFL-XXXRA Series follows this proven concept by integrating the nuts into the flange body itself, creating a robust and unified connection solution that meets the practical needs of modern tanker production lines.
A Versatile Tank Connection Solution for Multiple Industries
This product is widely used in:
Fuel transportation tanker trucks
Chemical liquid tank trailers
Hazardous material transport vehicles
Special-purpose liquid storage and transport equipment
In different countries and regions, this type of component may also be referred to as:
Tanker bottom valve welding base
Bottom valve mounting flange
Tank-side welding flange
Bottom discharge valve connector
Tank Bottom Valve Welding Sump (widely accepted industry term)
Although the terminology varies, the core function remains the same: to provide a secure, leak-tight, and long-term stable mounting interface for tanker bottom valves.
Material Selection and Manufacturing for Strength and Durability
The HBBVTSFL-XXXRA Series is available in carbon steel or stainless steel, making it suitable for different transported media and operating environments.
Through precision machining and optimized structural design, the flange ensures proper coaxial alignment between the bottom valve and the tank body after installation. This helps reduce uneven gasket loading and significantly lowers the risk of leakage over long-term service.
Compatible with Multiple Bottom Valve Sizes and Standards
This series supports commonly used 3-inch, 4-inch, and 6-inch tanker bottom valve sizes, meeting the application needs of various vehicle models and regional markets. It is particularly well-suited for standardized tanker projects targeting international compliance.
Building a Solid Foundation for Vehicle Safety
In hazardous liquid transportation, every connection component is more than just an accessory—it is a critical part of the overall vehicle safety system.
Selecting a properly designed bottom valve welding flange not only improves assembly efficiency but also contributes to reduced maintenance costs and enhanced operational safety throughout the vehicle’s service life.
For additional sizes, material options, or customized solutions, please feel free to contact us. We are able to provide tailored support based on different national standards and project requirements.
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