![]() Water requirements will slowly increase as the packing gets worn out and eventually needs to be replaced. A new packing will take less gland water. ![]() The amount of gland water required depends mostly on pump design and how worn the packing is. However, excessively high gland water pressure is also not recommended since this will also reduce the life of the packing. If gland water pressure is too low, it will not be able to overcome back-pressure from the pump and cause the slurry to back-flow into the sleeve. ![]() The most important factor in designing a gland water system is to ensure the system is reliable and has sufficient pressure. Worn seal packing is far easier to repair than a damaged slurry pump. Operating without gland water, even for only a few seconds, will cause the slurry to back-flow into the pump’s sleeve and damage the rotating pump shaft. Maintaining sufficient gland water flow and pressure is critical to the proper operation of any slurry pumping system. It allows for a small amount of cooling of the pump shaft, which heats up as it rotates at high speeds. It prevents the slurry from back-flowing into the seals and damaging the shaft, and It enables the pump shaft to rotate within its sleeve with minimum friction, This gland seal water serves three important functions: Pressurized gland water is pumped into the seals of slurry pumps in order to keep them clear of bitumen, sand and fines. Clean and reliable gland water supply is a critical utility in any oil sands mining facility.
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