DT0207
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Keyword： DT0207
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A check valve refers to a type of valve whose opening and closing components are circular valve discs that act by their own weight and medium pressure to block medium backflow. It belongs to the category of automatic valves, also known as check valves, one-way valves, return valves or isolation valves. The valve disc movement can be divided into lifting and rotating types. Lift check valves have a similar structure to globe valves, except for the lack of a valve stem that drives the valve disc. The medium flows from the inlet end (the rotary check valve has a valve disc that is inclined and can rotate around the axis, and its working principle is similar to that of a lift check valve. The check valve is commonly used as the bottom valve of a pumping device to prevent water from flowing back. When used in combination with a globe valve, the check valve can provide safe isolation. The disadvantage is high resistance and poor sealing when closed.
A bibcock, also known as a wall tap or hose bib, is a type of faucet designed for controlling water flow in outdoor or utility areas. Commonly installed on garden walls, patios, or laundry rooms, it allows easy connection of hoses for watering plants, washing vehicles, or cleaning surfaces. Made from durable materials such as brass, stainless steel, or chrome-plated alloy, bibcocks are resistant to rust and corrosion, ensuring long-lasting performance. Many models feature a simple lever or cross-handle design for easy operation and tight water sealing. Functional, sturdy, and convenient, the bibcock is an essential fixture in everyday water use.
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