Smart Home: Counting water consumption and automatic water shut-off by ESP8266 and Domoticz

Hello,
I am building myself a smart home based on Domoticz in which I have, among other things, flood sensors.
I set out to make a system based on esp8266 which:
will count water consumption
shut off water from the building

And here my request for recommendation
a water consumption meter/flow meter with pulse count capability
a solenoid valve (and here I ask for an opinion whether it should be NO NZ or maybe one that closes on impulse and opens on impulse)

ESP connected to the above appliances and integrated with domoticz.
If the flood sensor is triggered it will cut off the water.
if it detects at odd times that the water consumption exceeds the norm (i.e. 1 bath) it will shut off the water
if no one is home and the washing machine or dishwasher is not running, it will shut off the water .
maybe you have some more ideas....
regards

Valve such recommend.

pier wrote:

Valve such recommend.

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I bought this for testing and it looks cool, is relatively quiet and has a lot of power.

KrzysztofS wrote:

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The photo shows the 230V version I have the 12V option. Faultless and available off-the-shelf in the country.You apply voltage to it and it closes. When it closes, it stops. There is a switch in the middle. You apply voltage to the other pin and it opens in the same way. And the disadvantage, it buzzes a little during operation .

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How many wires does it have for control and power?
In my case a problem because I will have to specially make a 12V power supply for it, but it looks interesting.
Greetings

Mine on 12v has 2 - reversing the polarity gives a turn in the 2nd direction

I will say yes for now I have chosen a makeshift solution and hope that this makeshift will not be for years.
And everything really depends on the meter, which has cables with the possibility of counting pulses.
Because when I buy it, then it will be necessary to change the installation and the possibility of installing a professional valve.

Can you recommend a meter/fluid meter?
kind regards

I raise a question .
I am looking for an impulse meter/litre minimum
I'm thinking about a flow meter link but I don't know how to figure out the formula in esp F=5*Q {Q=[L/m] F=[Hz]} so that it counts my litres .

doopa wrote:

Bump up the question .
I am looking for an impulse meter/litre minimum
I'm thinking about a flow meter .......................... but I don't know how to figure out the formula in esp F=5*Q {Q=[L/m] F=[Hz]} so that it counts my litres

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Hello Colleagues
I am looking for a similar water meter, with external pulse counting. Unfortunately the link provided no longer works. I plan to use this water meter to control the watering of the garden. It doesn't have to be too accurate (+-10% should be enough) Rather durability and threaded plumbing connections are important. The plastic gadgets found in chain stores are not the right solution for me.
Best regards
Andrew