Installation position of household water meter check valve
Domestic water meter without the need to install check valve.
It should be about 15 times before the table, about 300mm DN20.
Generally installed after the water meter.The main reason: if the water point is higher than the water meter installation position, once the pipe network in the absence of water, the remaining water in the pipeline will flow in the direction of the water meter in turn. This will cause the water meter to reverse and cause damage to the water meter.A check valve is installed after the water meter, so that the situation can be avoided.
