1. Acceptance of PPR water pipe after entry. The first is to carry out acceptance to ensure the specifications and length of the water pipe, and give priority to well-known brands to ensure the quality of the PPR pipe.
2.ensure that the distance between hot and cold water pipes is not less than 30mm. First of all, when the slot is opened, it is necessary to determine the spacing between the two.
3. the distance between the two points of the metal pipe card is not less than 800mm. The metal pipe card can play the role of fixing the water pipe, we determine the position of the metal pipe card, and then use the screw into the metal pipe card, and pay attention to ensure that there is no loosening.
4. the hot melt of the water pipe, the temperature should be controlled at 260 degrees, 5-7 seconds after hot melt to quickly take over, and the stay time should not be too long.
5.water pipe mouth must be firmly screwed. Do not appear loose, in addition, the installation position of the PPR valve should also be flat, to facilitate the later installation and maintenance.
6. water pipe pressure measurement. Plug all the water pipes, and then the pressure test pump starts to test the pressure, measure the pressure 0.8-1.0mpa, wait for 30 minutes to see the pressure gauge, check whether the water pressure is down 0.05mpa.