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Ceramic Seal Faces

Mechanical Seal is one of the media sealing forms commonly used in modern industry. It refers to the use of mechanical methods to bring the sealing surfaces into close contact and relative movement, and to use the pressure of the medium to prevent medium leakage. There are many types of seal face materials for mechanical seals, and the common ones are as follows:


- Graphite: A very common material for mechanical seals. It has the advantages of high temperature resistance, corrosion resistance and good thermal conductivity, and can be used in the range of -240℃-500℃. However, graphite seals are not suitable for sealing corrosive media.


- PTFE: A plastic with excellent corrosion resistance and low temperature resistance, it is also one of the commonly used materials in mechanical seals. It can be used in the temperature range of -70℃-260℃, and is suitable for use in acid, alkali and other media.


- Synthetic rubber: one of the commonly used sealing materials in mechanical seals. It is oil-resistant and corrosion-resistant, can be used in the range of -70℃-200℃, and is suitable for low-pressure and low-speed sealing.


- Metal: such as nickel alloy, carbide, stainless steel, cast iron, etc. Metal materials have good mechanical strength and corrosion resistance, and are suitable for sealing low-speed, low-pressure, low-temperature, and corrosive media.


- Ceramics: Ceramic Seals are mainly made of Engineering Ceramics such as alumina, zirconia, silicon nitride, silicon carbide, etc. Among them, Alumina ceramic is the most widely used ceramic sealing material at present. It has excellent wear and corrosion resistance, high hardness, high strength, high temperature resistance and other characteristics, suitable for sealing under severe working conditions such as high speed, high temperature, high pressure and strong corrosion.


Ceramic Seal Faces (1)


Mechanical seals made of different materials have different characteristics and application ranges. Choosing the appropriate mechanical seal face material can improve the effect and life of the mechanical seal and reduce maintenance costs.

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    Industry Zirconia Ceramic Sealing Disc for Valve This ceramic sealing disc is made of zirconia ceramic and is used in liquid control systems in valves. Zirconia ceramics have the characteristics of low friction coefficient, high wear resistance,...
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    Zirconium Oxide Ceramic Oil Ink Cup Ring The ceramic rings produced by our company can be applied to various brands of pad printing machines. At the same time, we can also customize various types of oil cup rings. Welcome to contact us. Due to the...
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    Industrial Precision Zirconia Ceramic Ring With different with traditional ceramics which tend to be hard and brittle, zirconia ceramics offers high strength, high fracture toughness wear resistance, and flexibility far beyond those of most other...
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    Zirconium Oxide ZrO2 ceramic Spacer Washer The ceramic spacer washer is made out of zirconium oxide ceramics, zirconia offers superb resistance to chemicals and corrosion without the typical brittleness in technical ceramics. When compared to other...
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    Wear Resistant Zirconia Ceramic Rotary Valve We offer numerous of custom-made all-ceramic rotary valve that are with precise dimensions and fitting relationship, these ceramic rotary valves are made of extreme tough zirconium oxide ceramics. it...
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    Industrial Wear Resistant Zirconia Ceramic Ball Valve The ceramic ball valve is made of advanced grinding equipment via the state of the art technology. It`s characteristic of high precision roundness, excellent working surface, high chemical...
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    Advanced Ceramic Piston Cylinders Zirconium oxide ceramic seals for mechanical construction are superior to other materials in chemical corrosion resistance, wear resistance, high temperature resistance and antimagnetic properties. Therefore, it is...
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    Large Size Alumina Ceramic Seal Component Our ceramic seals generally use 95%/99% alumina ceramics. For those with higher sealing performance requirements, we will use zirconia ceramics. Alumina ceramics have low density, high melting point,...
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    Working Principle of Double Mechanical Seals The sealing principle of double mechanical seals is to use the sealing chamber between two mechanical seals to maintain the pressure difference between the inner and outer rings. This can ensure that...
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    SiC Ceramic Seal Rings Silicon Carbide Ceramic Seals Brief Introduction of Silicon Carbide Ceramic Materials Silicon carbide ceramics is a type of modern engineering ceramics. Its hardness is second only to diamond. It has a small thermal expansion...
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    SSiC Ceramic Valve Seat for Mechanical Seal The silicon carbide has numerous advantages of excellent abrasive resistance, anti-corrosion, high coefficient of heat conductivity, self-lubrication and low thermal expansion. The frictional factor of the...
  • Unit Price:
    USD 2 - 5 / Bag/Bags
    Brand:
    Jinghui ceramics
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    Bag/Bags
    Model No:
    Standard or custom-made
    Transportation:
    Ocean,Land,Air
    Packaging:
    Individual packing first, then exported carton packed
    Supply Ability:
    500,000 sets/month
    Place of Origin:
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    Al2O3 Alumina Ceramic Seal Washer We are capable of working with a variety of customized ceramic seals, like ceramic seal faces, ceramic seal discs, ceramic ball valve and so on. We offer a selection of technical ceramic material for these ceramic...
Material Selection
Alumina
- 95% Al2O3: Mainly used for agricultural pumps and automobile cooling pumps.
- 99% alumina: Mainly used for external mechanical seals of acid-resistant pumps.
Zirconia
Compared with Al2O3, ZrO2 has better mechanical properties such as wear resistance and fracture toughness, so it has better sealing performance.
Silicon Carbide
For high-speed, high-pressure, high-temperature and other heavy-load conditions, choose SISIC or SSIC with good thermal conductivity. When it may suffer from corrosion, choose HPSIC with better chemical stability.
Others
E.g., the thermal shock resistance of Si3N4 is the best among engineering ceramic materials, and its performance can be maintained stable even in environments with rapid temperature changes (0-1000°C).
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