The two-way pressure butterfly valve is designed to allow the medium to flow in either direction, meaning that the installation does not require attention to the flow direction. Unlike one-way butterfly valves, there is no arrow marked on the valve body to indicate the flow direction. Additionally, the stem of a two-way butterfly valve is generally stronger and more durable compared to that of a one-way version, ensuring better performance under varying pressure conditions.
After over 20 years of continuous development and experience, Huatong Valve has grown into a modern comprehensive enterprise integrating research and development, manufacturing, sales, and service. We have built a professional team with advanced technical expertise and strong production capabilities. The company is certified by the National Pressure Pipeline TS standard, ensuring high-quality products that meet industry requirements. Our product range includes two-way pressure butterfly valves, high-pressure sealing butterfly valves, telescopic butterfly valves, special butterfly valves for water supply and drainage, vacuum butterfly valves, and ventilation butterfly valves. These products are widely used in industries such as power generation, petroleum, chemical processing, metallurgy, shipbuilding, food, medical equipment, and urban water supply and drainage systems.
The one-way pressure butterfly valve, on the other hand, allows the medium to flow in only one direction. When the butterfly plate closes, the flow direction is determined by the orientation of the disc. Therefore, the valve body is clearly marked with an arrow indicating the correct flow direction, and proper installation must follow this guidance to ensure optimal performance and safety.
In contrast, the two-way butterfly valve can be installed without concern for the flow direction. This makes it highly versatile and suitable for applications where the flow may change or be uncertain. The absence of an arrow on the valve body simplifies installation, while the stronger stem design ensures greater structural integrity. For butterfly valves of the same size and pressure rating, the stem of the two-way sealing model is typically larger in diameter than that of the one-way version, enhancing its reliability and durability.
Our company’s two-way butterfly valves are capable of handling full bidirectional pressure, making them ideal for critical applications where flow reversal is common. We guarantee the quality and performance of all our products, and we take pride in delivering reliable solutions to our customers. Whether you are a new or returning client, we welcome you to explore our wide range of high-quality valve products.
At Huatong Valve, we are committed to providing excellent customer service and support. If you are looking for dependable and efficient valve solutions, please feel free to contact us. We look forward to serving you.
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