pumping sand slurry

  • 1.The selection of the pump is too large, and the flow and head are larger than the actual condition due to improper selection of the coefficient. This situation makes the pump in the operation process, cavitation phenomenon, resulting in premature damage of the pump flow parts under the combined action of cavitation and abrasion, in the case of serious cavitation, the pump will produce vibration and noise, and even lead to a sharp decline in the flow, head and efficiency of the pump can not run; In addition, the pump in the operation of large flow, will also cause motor overload, heat, serious will burn the motor.
  • ...
  • Bollards have been around for centuries, originally used for mooring ships or securing ropes in port areas. Over time, their purpose has evolved significantly. In contemporary urban settings, they are viewed not only as protective barriers but also as artistic elements that contribute to the character of a place. From simple steel posts to elaborately designed structures, architectural bollards come in an array of shapes, sizes, and materials, reflecting the site’s history and cultural context.


  • In contemporary times, cannon bollards are often found in heritage sites and historical waterfronts, serving as a tangible reminder of a bygone era. Many cities have preserved these unique structures as part of their commitment to celebrate and honor their maritime heritage. By maintaining cannon bollards, communities highlight the significance of their historical ties to the sea, encouraging education and interest in maritime history.


  • 4. Inspection Covers These provide access to hidden infrastructure such as HVAC systems, making routine maintenance and inspections more manageable. Inspection recessed covers ensure that technicians can easily reach critical areas without removing large sections of flooring.


    recessed cover & frame

    recessed
  • Together, let’s build a future where manhole covers aren’t just seen but truly appreciated for the vital role they play in our urban ecosystem.