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The foot valve is required to be installed at the bottom of the well suction line piping
Foot valve is used in a variety of applications, it is a simple product to use and install but are a key component to your pump, they make a big impact. Not installing a foot valve could cause significant damage to your pump due to water hammer, you could be looking at costly repairs. Don't take the chance, install a foot valve. As simple as that.
| 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. typically simple to use and install and are generally inexpensive
2. designed with self-tapping male and female threads to ensure easy installation
3. Advanced manufacturing technology, easy installation, use, and maintenance.
4. With the advantages of small friction resistance, long service life, and energy saving
1. Foot valve is a special type of lift check valve
2. Check valves are normally on the discharge side of pumps, and foot valves are on the intake of pumps.
3. Foot valve has a screen on it and a check valve does not
4. check valve has threads on both ends, but the foot valve only has threads on one end, it's meant to be at the end of a pipe
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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