In all walks of life, the Automatic Diaphragm Valve is a popular industrial valve. Its unique structural design has many features designed to meet the needs of fluid control and improve valve performance.
Diaphragm structure: As the core component of the automatic diaphragm valve, the diaphragm is located inside the valve body and isolates the upper and lower chambers. Diaphragm design and material selection are critical to valve performance. Usually made of elastic materials, such as rubber, fluorine rubber or polytetrafluoroethylene. The diaphragm is elastic and can move up and down to open and close the valve. The selection of materials must fully consider the nature of the medium and the requirements of the working environment to ensure the sealing and corrosion resistance of the valve.
Valve seat design: The valve seat is the sealing component between the diaphragm and the valve body, which is crucial to the valve's sealing performance and fluid control accuracy. Generally made of metal materials, such as stainless steel or cast iron. The shape and surface treatment of the valve seat have an important impact on the sealing performance of the valve, and must be tightly combined with the diaphragm to ensure sealing performance during the opening and closing processes.
Operating parts: The operating parts of the automatic diaphragm valve are used to push the diaphragm up and down to open and close the valve. Usually includes manual operating devices and automatic control devices. The manual operating device can be a handwheel, a handle or a manual screw, etc., and is used to control the opening and closing of the valve through manual operation. The automatic control device can be an electric actuator, a pneumatic actuator or a hydraulic actuator, etc., which are controlled by external signals to push the operating components. The design of operating parts must take into account factors such as operating force, convenience and reliability of operating methods.
Fluid channel: The fluid channel of the automatic diaphragm valve is the path for the medium to enter and exit the valve. The design must consider the flow characteristics and flow requirements of the fluid. Generally, a straight-through fluid channel is used, that is, the medium can flow from one chamber to another. The fluid channel is designed to reduce flow resistance and improve the flow and control accuracy of the valve. In addition, the selection of materials must also consider the nature of the medium and the requirements of the working environment to ensure the corrosion resistance and reliability of the valve.
Accessories and accessories: Automatic diaphragm valves are usually equipped with some accessories and accessories to improve the function and performance of the valve. Common accessories include manual opening and closing devices, limit switches, position indicators, temperature sensors, etc. These accessories can realize functions such as manual control, position monitoring and temperature monitoring, improving the operability and safety of the valve.
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