Installation method of pp pipe fittings

1. Before the pipes and pipe fittings are bonded, the socket side and the outside of the socket shall be wiped with a dry cloth. When there is oil stain on the surface, it must be wiped with acetone. ventilation system

2. The pipe section shall be flat, vertical to the pipe axis and chamfered; Before bonding, the insertion marking shall be drawn and the test insertion shall be carried out. The test insertion depth can only be 1/3~1/2 of the original depth. If the gap is too large, the bonding method is strictly prohibited.

3. When the adhesive is applied, the inner side of the socket shall be applied first, and then the outer side of the socket. When the socket is applied, an appropriate amount of adhesive shall be evenly applied from the inside to the outside along the axial direction, without omission or excessive application (200g/m2).

4. After the adhesive is applied, the applied external force should be kept unchanged within 1 minute, and the straightness and position of the interface should be kept correct.

5. After the bonding is completed, the excess adhesive extruded shall be wiped out in time and shall not be forced or loaded during the curing time.

6. The bonding joint shall not be constructed in rain or water, and shall not be operated below 5 ℃.

7. Connection procedure: preparation → cleaning the working surface → trial insertion → brushing adhesive → bonding → curing.