Introduction of the main process of testing water after installation of PVC layflat hose

The general process for its test the water the following steps:

  First installed, the initial inspection can be qualified to test the water,test the water first open the control valve, filled the entire pipe, remove the tube -cut debris, and then all levels of pipe tail plug with a good plug.

  Next to the wheel irrigation area as the unit, according to the corresponding pressure water supply, adjust the gate valve, check the joints, pipes with or without leakage, dripping head dripping is uniform, a variety of instruments are sensitive and so on. If a fault, it is necessary to deal with in time.

  Finally, it is necessary to pay attention to the normal water test, the backfill pipeline. Backfill should be stratified, close to the pipeline with a certain fine sand, and fill into the tamping side to prevent the pipeline uneven stress. Winter construction, the best backfill in the afternoon to reduce the thermal expansion and contraction of the pipeline linear changes.