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I have a basement which floods, the water comes through a drain in the floor. I am therefore looking to use an HFT Pipestoppers to stop the water coming in

I think the water comes from an old tank (B) (which I can't find).

Does anyone know what pressure I would expect in the pipe to the basement (x) and advise if this is a good option.

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The pressure will be:

$$P = \text{density} \times \text{gravity} \times \text{height}$$

Density is 1000 kg/m3, and gravity is 9.81 m/s2

But your problem is defining the height above the measuring point as you say you don’t know where the tank is.

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  • $\begingroup$ I could guess the bottom of the basement to the top of the tank would be 2.5m max $\endgroup$ – peter byrne Jun 18 at 14:58
  • $\begingroup$ Then plug the numbers in, h is in meters and pressure in Pascals $\endgroup$ – Solar Mike Jun 18 at 15:00
  • $\begingroup$ thanks Solar,Looks like the pressure would be 0.2 bar and those plugs are good to 2 bar $\endgroup$ – peter byrne Jun 18 at 15:04

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