Basics of compression packing

Compression packing is a sealing device in a mechanical component. It works as a seal, often controlling water or gas leaks. Compression fittings are usually made of soft and flexible material, consisting of several rings that are inserted into an annular space (packing box) between the rotating or rotating element and the body of a pump or valve.

By pressing the follower or gland against the upper ring, pressure is applied to the packing assembly, spreading the ring to be shiny around the edges of the packing.

boxes and objects that move or rotate, giving marks. Compression fittings find their main use in processing industries such as petrochemical, paper, and metallurgy, as well as in utilities such as utilities, water, wastewater, sewage, food, and nuclear. They seal all types of fluids including water, steam, acids, caustics, solvents, gases, oils, fuels, and other chemicals at a wide range of temperatures and pressures. They are used in rotary, centrifugal, and reciprocating pumps, valves, expansion joints, soot blowers,

and many other kinds of resources. Compression fittings are easy to install and maintain. With proper attention, great success can be expected.

The quality of the compression package depends on several important factors: 

Good selection of packaging materials to meet the needs of logistics. The complete measurement of surface velocity, pressure, temperature, and fluidity reuse.

Pay attention to proper installation and termination procedures. High standards of equipment maintenance.

Compression packings used in pumps, whether in rotary or reciprocating work, often rely on a liquid film between the surfaces of the moving parts of the equipment and packing, for lubrication. The source of this water film is fuel (liquid, solid, or mixed), leaks from processed water or aromatics. During equipment start-up, oil can be released from the packing by gland pressure to provide initial lubrication and seal. 

During the break-in period, these lubricants bridge the period between dry running and the introduction of the normal forced-air cycle. Little by little, by changing the pressure of the gland, the fluid that flows, or the source of lubrication, takes over the forced function by providing a continuous fluid film. glandular pressure

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