1, all the waterway transformation should be carried out to suppress the test, pressure is to test the water after the completion of whether there is water leakage. Tap water generally 1.5 atmospheric pressure to run, pressure experiments generally 6 pressure can, regulator, within 30 minutes without falling pressure is normal. (Pressure must be calculated after the voltage regulator)

2, as long as the replacement of heating and piping, or do new geothermal, the pressure test should be carried out, 6 pressure (0.6Mpa) can, because the pressure is itself 6 test pressure, high-rise residential is best to 8 atmospheres. Pipe inside the air, the beginning of the pressure instability is normal, but reduced to a certain pressure, the stability of the maintenance of a certain pressure 30 to 40 minutes, the regulator, the pressure drop within half an hour More than 0.05Mpa for qualified.

3, the pressure is too large (more than 10 pressure) and pressure for too long (more than 2 hours) on the pipeline are not good.

4, if the decompression within 30 minutes of the 0.05 pressure, which is a normal phenomenon, if the pressure continued to be constant, you can determine the pass. If the pressure continues to drop, it should be retested.