The foot valve is required to be installed at the bottom of the well suction line piping
Foot valves are utilized in numerous applications; they are straightforward to use and install yet serve as a crucial element for your pump, significantly affecting its performance. Failing to install a foot valve can lead to serious damage to your pump from water hammer, potentially resulting in expensive repairs. To avoid unnecessary risks, ensure you install a foot valve. It’s that simple.
| Rating | Inch | DN | Unit | S | H | D |
| 1.6Mpa | 1/2" | 15 | mm | 24 | 70 | 33 |
| 3/4" | 20 | mm | 30.5 | 76 | 40.5 | |
| 1" | 25 | mm | 38 | 91 | 45.3 | |
| 1-1/4" | 32 | mm | 46 | 99 | 57.8 | |
| 1-1/2" | 40 | mm | 51.8 | 118 | 66 | |
| 2" | 50 | mm | 67 | 138 | 82.6 | |
| 2-1/2" | 65 | mm | 81.5 | 154 | 96.6 | |
| 3" | 80 | mm | 95 | 172 | 110 | |
| 4" | 100 | mm | 124 | 191 | 146.5 |
1. Usually straightforward to operate and install, foot valves are often cost-effective.
2. Engineered with self-tapping male and female threads for hassle-free installation.
3. Made using advanced manufacturing techniques, they offer ease of installation, operation, and maintenance.
4. They provide benefits such as low friction resistance, extended durability, and energy efficiency.
1. The foot valve functions as a specific kind of lift check valve.
2. Typically, check valves are placed on the pump's discharge side, while foot valves are installed at the pump's intake.
3. Unlike check valves, foot valves include a screen on one end.
4. A check valve has threaded connections on both sides, whereas a foot valve has threads only on one side since it’s designed to be positioned at the pipe's end.
The foot valve is required to be installed at the bottom of the well suction line piping
Foot valves have arrows on them indicating the direction of flow, make sure that they are installed with the arrows in the right direction
A foot valve should be installed at the inlet to the suction line of the turbine, centrifugal, and jet pumps. If an additional check valve is required, it should be placed after the pressure tank to allow the pump and discharge pipe to remain pressurized.
To prevent sand and sediment from entering the pumping system, the foot valve/strainer should be at least 5 ft. (1.5 m) above the bottom of the well.
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