Product Features
Compact and lightweight structure: adopts streamlined design, few parts, small overall size and light weight, easy to install and maintain, and can adapt to a variety of complex space layouts.
Quick and flexible switch: only 90° rotation is required to quickly achieve full opening or full closing, easy operation, fast response speed, and timely response to the system's needs for fuel on-off and flow regulation.
Low fluid resistance: When the butterfly plate is in the fully open position, there is minimal obstruction to the flow of fuel, and the pressure drop is small, ensuring efficient fuel delivery, reducing energy consumption, and improving the economy of the system.
Reliable sealing performance: equipped with high-quality sealing materials, such as corrosion-resistant rubber or metal sealing components, to ensure that the valve can maintain good sealing at different pressures and temperatures, prevent fuel leakage, and ensure safe and stable operation of the system.
work principle of fuel butterfly valve
Rotation adjustment
The valve stem drives the butterfly plate to rotate around the axis in the valve body, and the fuel flow rate is adjusted by changing the angle between the butterfly plate and the fuel flow direction. The smaller the angle, the larger the flow area and the greater the flow rate; otherwise, the smaller the flow rate.
Fully open and fully closed
When the butterfly plate rotates to be parallel to the valve body channel, the valve is fully open and the fuel can pass through without obstruction; when it rotates to be perpendicular to the valve body channel, the valve is fully closed to cut off the fuel flow.
Torque transmission
During manual operation, the operator applies torque through the handle, which is transmitted to the butterfly plate through the valve stem to realize the rotation of the butterfly plate; if it is an electric or pneumatic actuator, the actuator converts electrical energy or gas energy into torque to drive the butterfly plate to move.
Sealing mechanism
In the closed state, the butterfly plate fits tightly to the valve seat, and the elastic deformation of the sealing material is used to fill the gap to form a seal to prevent fuel leakage; some valves use metal hard seals, relying on high-precision processing and reasonable structural design to achieve reliable sealing.
FAQ
1. Is there a big price difference between Fuel Butterfly Valves of different calibers?
Caliber is one of the key factors affecting the price. Large-caliber valves are usually more expensive than small-caliber valves due to the large amount of materials used and the difficulty of processing. The specific price difference needs to be determined according to the actual specifications and materials.
2. What is the applicable fuel temperature range of the valve?
Generally speaking, ordinary Fuel Butterfly Valves are suitable for fuel temperature environments of - 20℃ to 80℃. If the temperature is too high or too low, special material valves can be selected, such as high-temperature resistant metal materials or low-temperature resistant rubber sealing materials, and the applicable temperature range can be expanded to - 50℃ to 200℃.
3. What are the installation methods of this valve?
Common installation methods include flange connection and clamp connection. Flange connection is suitable for high-pressure and large-caliber pipelines, and the connection is firm; clamp connection has a simple structure and small installation space, and is often used in medium and low-pressure pipelines.
4. How long is the maintenance cycle of the valve?
Under normal use, it is recommended to conduct a routine inspection every six months, including sealing performance, butterfly plate and valve stem wear, etc.; and conduct a comprehensive maintenance once a year, such as cleaning the interior and replacing wearing parts. The actual maintenance cycle can be determined according to the fuel quality, frequency of use and working conditions.
5. What are the quality assurance measures?
Before leaving the factory, the products are strictly pressure tested, sealed and tested for performance. Provide a certain period of quality assurance period. During the warranty period, if the failure is caused by quality problems, free repair or replacement will be provided.
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