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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.
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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Unit Price:USD 1 - 2 / Piece/PiecesBrand:Jinghui CeramicModel No:Standard or custom-madeTransportation:Ocean,Land,AirPackaging:Export cartonSupply Ability:2,000,000 pieces/monthPlace of Origin:ChinaProductivity:2,000,000 pieces/monthIndustry 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,... -
Unit Price:USD 6 - 10 / Piece/PiecesBrand:Jinghui CeramicModel No:Standard or custom-madeTransportation:Ocean,Land,Air,ExpressPackaging:Export cartonSupply Ability:2,000,000 Pieces/monthPlace of Origin:ChinaProductivity:2,000,000 Pieces/monthZirconium 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... -
Brand:Jinghui ceramicsMin. Order:Piece/PiecesModel No:Standard or custom-madeTransportation:Ocean,Land,AirPackaging:Export cartonSupply Ability:2,000,000 sets/monthPlace of Origin:ChinaProductivity:500,000 sets/monthIndustrial 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... -
Unit Price:1~10USDBrand:Jinghui CeramicMin. Order:Piece/PiecesModel No:CustomizedTransportation:Ocean,Land,Air,ExpressPackaging:Cartons with EPE foamSupply Ability:500000 Pieces/monthPlace of Origin:ChinaProductivity:500000 Pieces/monthWear Resistant Zirconium Oxide ZrO2 Ceramic Spacer Washer Zirconia ceramics and alumina ceramics are two common industrial ceramic materials, both of which are widely used in wear-resistant applications, and zirconia ceramics are better than alumina... -
Brand:Jinghui ceramicsMin. Order:Set/SetsModel No:Standard or custom-madeTransportation:Ocean,Land,Air,ExpressPackaging:Export cartonSupply Ability:2,000,000 sets/monthPlace of Origin:ChinaProductivity:500,000 sets/monthWear 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... -
Unit Price:2~50USDBrand:Jinghui ceramicsMin. Order:Set/SetsModel No:Standard or custom-madeTransportation:Ocean,Land,Air,ExpressPackaging:Export cartonSupply Ability:2,000,000 sets/monthPlace of Origin:ChinaProductivity:500,000 sets/monthIndustrial 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... -
Brand:Jinghui ceramicsMin. Order:Set/SetsModel No:Standard or custom-madeTransportation:Ocean,Land,Air,ExpressPackaging:Export cartonSupply Ability:2,000,000 sets/monthPlace of Origin:ChinaProductivity:500,000 sets/monthAdvanced 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... -
Unit Price:0.4~0.65USDBrand:Jinghui CeramicMin. Order:Piece/PiecesModel No:JH.CDR.003Transportation:Ocean,Land,Air,ExpressPackaging:Cartons with EPE foamSupply Ability:1000000 Pieces/monthPlace of Origin:ChinaProductivity:1000000 Pieces/monthSilicon Carbide Ceramic Seal Ring Silicon carbide ceramics can be used as ceramic mechanical seal faces because it has good thermal and mechanical properties, self-lubrication and small friction coefficient (about half that of cemented carbide). It... -
Unit Price:0.4~0.65USDBrand:Jinghui CeramicMin. Order:Piece/PiecesModel No:Standard or custom-madeTransportation:Ocean,Land,Air,ExpressPackaging:Individual packing first, then exported carton packedSupply Ability:500000 Pieces/monthPlace of Origin:ChinaProductivity:500000 Pieces/monthSiC Ceramic Mechanical Seal Faces for Booster Pump Silicon carbide ceramics have excellent comprehensive properties that cannot be matched by metal structural materials, such as excellent chemical stability, high temperature stability, wear... -
Unit Price:1~10USDBrand:Jinghui CeramicMin. Order:Piece/PiecesModel No:CustomizedTransportation:Ocean,Land,Air,ExpressPackaging:Cartons with EPE foamSupply Ability:500000 Pieces/monthPlace of Origin:ChinaProductivity:500000 Pieces/monthMirror Polished Alumina Ceramic Seal Face Alumina ceramics have extremely high hardness, super strong pressure resistance, corrosion resistance, excellent air tightness/water tightness and self-lubricating properties. After fine surface treatment,... -
Unit Price:0.05~5USDBrand:Jinghui CeramicMin. Order:Piece/PiecesModel No:JH.CDR.002Transportation:Ocean,Land,Air,ExpressPackaging:Cartons with EPE foamSupply Ability:1,000,000 Pieces/monthPlace of Origin:ChinaProductivity:1,000,000 Pieces/monthIndustrial Water Pump Ceramic Seals Our company has been producing and selling ceramic pump seals for 15 years. Our ceramic seal rings have fine texture, high hardness and stable performance. The ceramic seal faces are smooth, burr-free, and... -
Unit Price:1~5USDBrand:Jinghui CeramicMin. Order:Piece/PiecesModel No:Standard or custom-madeTransportation:Ocean,Land,AirPackaging:Cartons with EPE foamSupply Ability:500,000 Pieces/monthPlace of Origin:ChinaProductivity:500,000 Pieces/monthDiamond Polished Mechanical Seal Face Ceramic Seal Our ceramic seals are made of high-purity alumina ceramics, which are dry-pressed and sintered at temperatures above 1700°C, with excellent sealing properties. The outer dimensions are precision...
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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.
- 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).