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Foot Valve
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Foot Valve
| Name | Foot Valve |
| Size | DN50-DN1000 |
| Pressure | PN10~PN16 |
| Applicable standards | |
| Design standard | BS4504-PN16/DIN2532-2533 |
| Flange drilled standard | BS4504-PN16/DIN2532-2533 |
| Flange | RF flange |
| Body | Ductile iron |
| Disc | ductile iron |
| Disc sealing | EPDM/NBR |
| Reguiation spring | SS304/SS316 |
| Coating | FBE ablve 250um |
A foot valve is a crucial part in many fluid - handling systems.
Functionally, it is a type of check valve. It is typically installed at the inlet of a pump. The primary purpose of a foot valve is to prevent the backflow of fluid. When the pump is turned off, it ensures that the fluid in the pipe does not flow back, maintaining the prime of the pump. This is especially important in applications such as water wells, where losing the prime can be a significant inconvenience.
In terms of construction, foot valves are usually made of durable materials. They often consist of a valve body, a valve disc or ball, and a strainer. The valve body is typically made of metal, such as brass or stainless steel, providing strength and resistance to corrosion. The valve disc or ball is designed to seal tightly against the valve seat when the flow stops, preventing any reverse flow.
The strainer attached to the foot valve is an important feature. It filters out debris, sand, and other particles from the incoming fluid. This not only protects the pump from damage caused by these foreign objects but also ensures the smooth operation of the foot valve itself.
Foot valves come in various sizes to fit different pipe diameters, making them suitable for a wide range of applications, from small - scale domestic water systems to large - scale industrial fluid - handling setups. Their simple yet effective design makes them an indispensable component in maintaining the efficiency and integrity of fluid - based systems.
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