There are six types of asbestos packing , each of which has its own unique function. For example, Acrylic PTFE packing has good sealing properties. For example, the oil-containing tetrachloro asbestos packing can prevent corrosion, for example, lead powder oil asbestos packing can be heat resistant and so on. We need to use different types of asbestos packing in various fields. Not all asbestos packings are universal. We must use the same kind of asbestos in its proper field and it will play a role. Only by playing its best can it be used as its greatest feature.
Asbestos packing specifications
P1161-Asbestos Soaked PTFE Packing: Dynamic and static sealing, especially suitable for high speed pumps under moderate pressure.
P1162-oil asbestos packing (graphite coated): Dynamic seal, mainly used as pump, valve packing (boiler feed pump is particularly suitable). Suitable for alkaline solutions, viscous liquids (such as oil), water, steam, gases, hot water, and salt solutions.
P1163 - Asbestos-crossing nickel wire reinforced packing: Static sealing is the main method, and static sealing is used for hand holes, manholes, and shell covers. It is suitable for places where the seals such as steam hammers, reactors, and steam valves are rough and uneven. It can also be used for valves and slower speed equipment in high temperature and high pressure conditions.
Asbestos packing type
High pressure packing
High pressure asbestos packing
Asbestos packing
Asbestos immersion oil packing
Asbestos oil dip packing
Oil-immersed asbestos packing
Asbestos cloth packing
Acrylic PTFE packing
Acrylic PTFE packing is made of high-performance and high-strength polyacrylonitrile composite textile thread, pre-impregnated with PTFE PTFE emulsion, and is fully impregnated with a special lighter PTFE emulsion and barrier agent in the square weaving process. Has a good seal, lubricity extremely resistant to medium. Can be used for rotary pumps, plunger pumps, valves, mixers and other equipment. Suitable for all media except strong acids, strong bases and strong oxidants.
Oil-bearing PTFE asbestos packing
Oil-enriched PTFE asbestos packing is woven with PTFE and immersed in PTFE. The surface is treated with PTFE and special lubricants. It is used in stainless steel or chrome-plated shafts and will not erode them, and at high peripheral speeds. . Applicable to alkalis, dilute mineral acids, water, steam, organic acids, oils, alcohols and other liquids. And applies to paper mills, dye factories, food factories, pharmaceutical factories and so on.
Lead oil asbestos packing
The lead-powder oil-impregnated asbestos packing is woven with heat-resistant lubricating oil and graphite asbestos threads. It is suitable for sealing materials on rotary shafts, reciprocating pistons or valve rods. The medium is steam, air, industrial water, and heavy petroleum products. According to the working conditions, it can produce lead-powder-impregnated asbestos packing with pinch wire (or nickel wire, stainless steel wire).
Asbestos packing
The dustless asbestos packing is woven from squares of asbestos and used for heat insulation materials of various thermal equipments and heat conduction systems. Dry-spun asbestos packings with wire (copper, nickel or stainless steel wire) can also be produced according to operating conditions.
Dipping PTFE Asbestos Packing
The PTFE-impregnated asbestos packing is fully immersed in a PTFE emulsion with white asbestos filaments to improve corrosion resistance and wear resistance. The sealing performance of tetrafluoroethylene is stronger after thermal expansion. Longer service life. Can be used for a variety of dynamic and static seals, especially for medium-pressure high-speed pump. Applicable to alkaline solution, viscous liquid, water, steam, gas, hot water and salt and other media.
Graphite-coated asbestos packing
Graphite-coated asbestos packing is coated with high-grade asbestos packing and coated with graphite. It has good rebound and good lubricity. It is a universal packing and is mainly used as a packing for dynamic seals, pumps and valves (for boilers. Feed pump is particularly suitable). Applicable to alkaline solution, viscous liquid, water, steam, gas, hot water and salt and other media.
The use of asbestos packing
Roll sealing
The side wall of the lid is squeezed tightly against the flange of the bottle mouth by rolling the roller of the sealing machine to seal the bottle mouth. Rolling seals were found earlier in wide-mouth bottles, and the lids were made of tin-plated sheets that were molded and opened, making opening extremely inconvenient. Rolling seals are now basically replaced by screw caps.
Plug seal
Press the inner plug into the mouth of the container to seal it. This type of sealing is mainly used for the sealing of plastic or cork and glass bottle combined containers, such as bottled soy sauce, bottled wine and other sealing. Because it is difficult to achieve a complete seal within the plug, it is often necessary to add auxiliary sealing methods, such as plastic seals, wax seals, screw cap seals and so on.
Edge sealing
The flange of the can body is hooked with the inner periphery of the can lid coated with the packing (sealing packing), crimped and pressed to achieve the container sealing. The can body and the bottom or cover joint layer are filled with elasticity sealant to enhance the tightness of the crimp seal. This type of sealing is mainly used for metal containers such as tin cans and aluminum foil cans.
Three Asbestos Packing Manufacturers
1. Dacheng County Xinding Sealing Material Factory
Hebei Asbestos Packing Plant is located in Chengxi Development Zone, Dafang County, Langfang City, Hebei Province. It mainly produces asbestos packing, asbestos rubber packing, etc. Our products are widely used in various pipeline flanges, containers, towers, heat exchangers, storage tanks, boilers and other static seal joint gasket and various types of pumps, valve packing, special resistance to acid corrosion, Resistant to high and low temperature, high pressure resistance, aging resistance, can effectively solve the sealing problem in various complex environments. Applicable to chemical, electric power, petroleum, metallurgy, automobiles, machinery, ships, food and so on.
Manufacturer's Address: No. 88, Dacheng Industrial Area, Langfang City, Hebei Province, China
2. Dacheng Yunxiang Sealing Material Co., Ltd.
The company mainly produces advanced sealing materials. The products include large-diameter, basic-type, internal and external reinforced, (304 graphite or asbestos), (316L polytetrafluoroethylene) and other metal spiral wound gaskets. Ladle gaskets, toothed gaskets, corrugated composite gaskets, corrugated composite gaskets, high-strength graphite composite gaskets, graphite sheets, graphite packing rings, graphite packing, and asbestos packing. Teflon gaskets, PTFE rods. Plates, tubes, and packings of various materials, PTFE packing, carbon fiber packing series, high water-based packing, aramid fiber packing series, graphite packing series, PTFE oil-free raw materials Belts, and other products.
Manufacturer address: Chengnan Industrial District, Dacheng County, Hebei Province
3. Hebei Dacheng Huaying High-tech Materials Co., Ltd.
Hebei Dacheng Huaying High-tech Materials Co., Ltd. specializes in the production of various packings, gaskets and chemical materials, including:
Packing series: Carbon packing, PTFE packing, graphite packing, high water-based packing, aramid packing, gfo packing, PTFE cutting wire packing, PTFE packing, expanding four Fluorine Packing, American Gore Packing, Asbestos Packing, Carbon Fiber Packing, Butter Packing, Oil Asbestos Packing, Asbestos Rubber Packing, Glass Fiber Packing, Ceramic Fiber Packing, Nylon Packing, Composite Fibers Packing, ceramic packing and other products.
Graphite products: Graphite packing, graphite rope, graphite gasket, graphite high-strength composite mat, flexible graphite packing ring and other special-shaped graphite parts.
Manufacturer's address: Bichengma Industrial Zone, Dacheng County, Hebei Province
Editor's summary: The appearance of asbestos packing is white. It is very thick and long, and it is clumped into a group that is easier to transport and use. If we buy back the asbestos packing and have not had time to use it, we must store the asbestos packing in a ventilated and dry place, not near oil or gas, or the asbestos packing will not cause qualitative change.
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