The law "The more the better" does not always work. In DBN B.2.5-64: 2012 it is indicate that the pressure in the water supply system should not exceed a value of 4.5 bar. This is necessary for the stable operation of sanitary equipment and household appliances. If this value is exceed, the pressure reducer valve should be install. Today we will talk about them. Base information The name of this armature comes from the English word "reduce". Accordingly, the main task of the pressure reduce valve (PRV) is to reduce the water pressure. 95% of the gear units have a tuning screw or knob for setting the required pressure. To make the correct adjustment, you need a pressure gauge. Some models are equipped with gauges at once, but for the majority, it must be purchased separately. Pict.2 The appearance of the piston PRV Principle of operation PRV works on the principle of "after themselves". Water first passes through the worki...
Сантехнический мир в деталях