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Butterfly Fix Screw Valve

A butterfly fix screw valve is a specialized butterfly valve engineered exclusively for intermediate bulk containers (IBCs), also known as tote tanks. It combines the reliable on-off control performance of a butterfly valve with the secure fixed threaded (screw) connection, making it an ideal component for controlling liquid discharge in various industrial scenarios. Unlike ordinary butterfly valves, this valve is tailored to the size and usage requirements of IBC tanks, ensuring seamless compatibility and efficient operation.

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Description

Features

The feature of the butterfly fix screw valve is its fixed threaded (screw) connection, which is a sturdy, detachable fitting that allows for secure installation and controlled disassembly. The fixed screw design consists of a threaded adapter (connected to the IBC discharge port) and a matching threaded valve end; by screwing the two components tightly together, a stable, leak-proof seal is formed. This not only ensures firm connection during transportation and discharge but also enables convenient disassembly when maintenance or replacement is needed, which is crucial for handling liquids-especially corrosive, hazardous, or high-value fluids.

In terms of structure and performance, the butterfly fix screw valve adopts a disc-type butterfly design, which features minimal flow resistance and efficient fluid transfer. The disc inside the valve is precision-machined to ensure smooth rotation, enabling quick on-off control with a 90-degree turn of the handle. The valve body and internal components are made of high-quality materials to adapt to different working conditions: common materials include stainless steel (304, 316L) for corrosion resistance, brass for general-purpose applications, and food-grade materials (compliant with FDA standards) for food and beverage industries.

This valve is widely used in industrial, chemical, food and beverage, pharmaceutical, and environmental protection sectors. In chemical applications, it is suitable for controlling the discharge of acids, alkalis, solvents, and other corrosive liquids, thanks to its corrosion-resistant materials and secure fixed screw seal. In food and beverage industries, it is used to transfer syrups, oils, dairy products, and drinking water, as its food-grade construction ensures no contamination of the medium. It is also applicable in water treatment, paint, ink, and other fields where efficient, leak-proof liquid discharge from IBC tanks is required.

When selecting and using this valve, it is important to match the threaded size (common sizes include 2-inch, 3-inch, corresponding to DN50, DN80) with the IBC discharge port, choose the appropriate material based on the nature of the transported liquid, and ensure that the threaded connection is fully tightened during installation to prevent leakage. Regular inspection of the valve seal and disc rotation is also recommended to maintain long-term stable operation.