Problems with the packing seal of water pumps

Any seal will have a certain level of leakage; please determine the amount of leakage – how many drops per minute, and has it already formed a stream?

Packing seals are bound to leak; for pumps used for transporting water, the allowable leakage rate from a packing seal should be 10 to 20 drops per minute.

Look up the standards – industry standards as well as those set by various design firms –; there should be requirements regarding leakage levels, though it’s not clear exactly what those levels are. Check it out.

Packing seals are rarely used in the petroleum and chemical industries. But it is still widely used in water pumps. First, select an appropriate filler based on the operating conditions; at the same time, it is necessary to ensure that the outer surface of the shaft sleeve has sufficient wear resistance, and there must be clean flushing water available. When installing the filler, avoid forcing it in; otherwise, the lubricating material used will be damaged.

The packing seal allows for some leakage; the amount of leakage is, as mentioned above, typically 10 to 20 drops per minute

The leakage standard for mechanical seals is 5 drops per minute; the specifics regarding the packing are not clear, but it should be the same as what was mentioned upstairs.

There should be a certain amount of leakage; nowadays, mechanical seals are used, which can reduce leakage and improve the environment.

It is normal for a packing seal to leak, but the amount of leakage needs to be taken into consideration. For a boiler feed pump, 15–20 drops per minute is considered normal. Please check whether heat steam is emitted along with the leak, and also examine the temperature of the leaking water. Sometimes, if too much water is used for cooling the packing, and the return water cannot flow back quickly, it may leak out through the packing as well. The boiler feed pump is a critical piece of equipment in power plants; it is recommended to use high-quality packing. The GFO packing used by our factory has given good results. If the leakage is really severe, it may be due to severe wear of the shaft sleeve; it is recommended to replace it. Or it can be modified into a reverse helical labyrinth seal. One of the pumps in our factory has been modified, and it’s working well now!

It seems that Haiyou on the 9th floor indicates that your factory is quite wealthy! Using Gore’s products is like using gold bars – it’s extremely expensive. Both packing seals and mechanical seals have their advantages and disadvantages; packing seals are easy to install and remove. Mechanical seals are difficult to adjust and require professional technicians. Langfang Xianghe Sealing Products Co., Ltd. is a leading manufacturer of packing materials. It has a quality comparable to that of GFO products, with a price that is roughly 1/10 of theirs. Welcome to: http://www.xhsealing.com

A packing seal inherently allows for a small amount of leakage; as long as it isn’t in a continuous stream, there is generally no major problem.