Views: 2 Author: Site Editor Publish Time: 2019-07-09 Origin: Site
The connection mode of the PVC water supply pipe is the same as that of the drainage pipe. Select the UPVC water supply pipe to focus on the following aspects :
1.The user shall select first to apply the appearance and size, such as whether the wall thickness is uniform, the wall thickness is thick enough, and the ratio can be made more More.
2. The test report of the tube shall be obtained, and the test report of the health indicators shall be obtained and viewed.
PVC tube test method
1.Hydraulic test must be carried out before installation to confirm that the welding condition is good and eliminate the hidden danger.
2. The hydraulic test should be carried out 24 hours after the hot melt connection, the pipe should be fixed before the test, and the joint should be exposed.
3. The test pressure of the cold water pipe shall be 1.5 times of the working pressure of the piping system, but not less than 1.0 MPA, and the test pressure of the hot water pipe shall be 2.0 times of the working pressure of the system and not less than 1.5 MPA.
4. The water meter should be closed in order to avoid damage. Manual pressure test pump or electric pump should be used to boost the pressure slowly and the test time should not be lower than the gauge. Set the time.