| Model： | ||
| Standard or Nonstandard： | Standard |
|
| Pressure： | LowPressure |
|
| Media： | Water |
| PriceRange： | ||
| Structure： | Check |
|
| Power： | Pneumatic |
|
| Temperature of Media： | LowTemperature |
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Check valves are devices that are installed in pipelines in order to stop the backflow of material. In many cases, the material flowing through the pipe is water, and the check valve keeps the water from flowing backwards in the pipe. They do not require any outside activation, but are rather designed with mechanisms that block the water from reversing direction at a certain point.
Water check valves are used in several different devices, and they are advantageous for several reasons. For example, they stop flooding or overflowing in sump pumps and water heaters. They protect equipment in control valves, strainers and flow-meters. They also save power, because the backwards-flowing water would use up electricity even when the device was off.
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