For industrial production that needs to handle a variety of slurries, slurry pumps are one of the essential machinery.
When purchasing and using slurry pumps, the difference in the form of mechanical seals is a very important point. First of all, we can divide the slurry pump into three types according to the form of mechanical seal: the first is packing seal, which is relatively simple in structure, mainly composed of packing box, packing and shaft sleeve. However, because the packing seal is a contact seal, the friction is large, and the wear is also relatively large, so the packing needs to be adjusted and replaced frequently during use. The second is the mechanical compression seal, which has a complex structure and is mainly composed of a mechanical pressing mechanism, a shaft sleeve, a sealing ring, etc. Mechanical press-fit seals automatically compensate for packing wear, extending the life of the packing. However, mechanical compression seals are prone to leakage due to their high friction. The third is labyrinth sealing, which has a relatively simple structure and is mainly composed of labyrinth rings and shaft sleeves. The principle of labyrinth sealing is to achieve the sealing effect by increasing the resistance of the fluid to pass through.
In general, the choice of which sealed form of slurry pump to choose needs to be decided according to the actual operating conditions. So, do you know which sealed form of slurry pump is suitable for your application? Welcome to leave a message in the comment area to discuss!