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Union Connection:
The defining feature is the presence of a “union” connection on one end of the valve. This allows for a quick and easy disconnection of the valve from the pipe for maintenance, repair, or replacement.
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Fixed End:
The other end of the valve is typically fixed to the pipe, either through welding, threading, or bonding.
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Flow Direction:
In a single union ball valve, the flow direction is usually indicated, with the union end being the point of entry or exit for the fluid.
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Common Use:
Single union valves are widely used in various applications, including fluid transfer systems, plumbing, and industrial processes, especially where ease of maintenance is important.
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Material:
They are commonly made from materials like PVC, polypropylene, or other suitable plastics, chosen for their resistance to the fluids they handle and the environment.
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Operation:Like standard ball valves, single union ball valves are typically quarter-turn valves, meaning they are fully open or closed with a 90-degree turn of the handle.



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