O-ring and packing
O-ring is very easy to install, which makes it always in demand. O-ring is the most common and convenient type of seal used for felt bowls, moving parts and seals on shafts and other parts. The felt bowl is also used in all parts where it is necessary to prevent the spread of oil or liquids.
packing
Rotary seals that are used only for sealing the piston and shaft of pumps are called packing. would take Early steam engines were started with this type. The progress of crude oil production and extraction in the 19th century improved the materials used in packing. In the 19th century, packing was considered one of the most used seals because of its simple architecture, affordable price, and favorable accessibility.
Why is it necessary to have a seal for the pump?
In parts of the pump, there is leakage or air entering the pump, so by choosing a high-quality sealing system, you can protect the fluid and prevent air from entering the pump. Various raw materials are used in the production of packings, such as; Plastic, natural rubber and synthetic rubber. Packing will work by creating fluid pressure that causes the edge of the seal to stick to the wall and make it work better. The consumption of packings is about one pack, of course, you can put several seals together in one groove.
Packing sealing consists of different parts:
< b>- felt bowl
- lining
- sealing cap