product

Company News

  • CENTRIFUGAL PUMP CAN NOT HIT THE WATER CAUSE

    CENTRIFUGAL PUMP CAN NOT HIT THE WATER CAUSE

    There is air in the inlet and pump (1) some users do not fill enough water before the pump starts; sometimes the water that appears to have overflowed from the vent hole, but did not turn the pump shaft to air completely exhausted, leaving a little air still in the inlet pipe or pump The (2) wi...
    Read more
  • BORED PILE CONSTRUCTION MUD SLURRY TREATMENT SCHEME

    BORED PILE CONSTRUCTION MUD SLURRY TREATMENT SCHEME

    How is the working mud out of the bored pile? This is a difficult problem of drilling pile construction. The traditional drilling and grouting pile slurry treatment program is: in the process of drilling the use of sieve, mud in the small gravel, sand and other solid particles for separation, pil...
    Read more
  • CAUSE ANALYSIS OF MECHANICAL SEAL FAILURE OF CENTRIFUGAL PUMP

    CAUSE ANALYSIS OF MECHANICAL SEAL FAILURE OF CENTRIFUGAL PUMP

    Centrifugal pump shutdown is mainly caused by the failure of the mechanical seal. Failure of the performance of most of the leakage, the reasons for the following leakage: ① static and dynamic ring seal surface leakage, the main reasons are: the end plane flatness, roughness did not meet the req...
    Read more