Cleaning of IPS (PPH) pipes and fittings
1. Check cleaning objects of IPS (PPH) pipes and fittings
Before cleaning IPS (PPH) pipes and pipe fittings, first of all, the distribution of pipes should be made clear, and the service life, service condition, blockage, buried and exposed parts of buildings should be understood for damage. Before dredging, pay attention to understand the material. In addition to cast iron and ceramics, there are other materials in the system, such as equipment and pipes with structural materials such as cement.
2. Subsection cleaning
In order to facilitate the cleaning of IPS (PPH) pipes and pipe fittings, it is generally divided into several small cleaning sections. The method of segmentation is mainly based on the volume of pipes, the height of floors, the convenience of cleaning, and the possibility of segmentation. Generally, three or four floors in a unit is a better section.
After the cleaning of IPS (PPH) pipes and pipe fittings, the acceptance shall be carried out to check whether the pipes are dredged, cleaned and unblocked to meet the customer’s requirements.