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Wuxi Special Ceramic Electrical Co.,Ltd

  • China,Wuxi ,Jiangsu
  • Verified Supplier
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China Low-Wear Al2O3 Ceramic Valve Seats High Density Alumina Seal Discs for Slurry
China Low-Wear Al2O3 Ceramic Valve Seats High Density Alumina Seal Discs for Slurry

  1. China Low-Wear Al2O3 Ceramic Valve Seats High Density Alumina Seal Discs for Slurry
  2. China Low-Wear Al2O3 Ceramic Valve Seats High Density Alumina Seal Discs for Slurry

Low-Wear Al2O3 Ceramic Valve Seats High Density Alumina Seal Discs for Slurry

  1. MOQ: 10 Pieces
  2. Price: US$1~US$35/Piece
  3. Get Latest Price
Payment Terms T/T, L/C, Western Union
Supply Ability 100,000 Pieces per Month
Color Ivory
Shape Valve Seat / Disc, Custom
Alumina Content 99% Al2O3
Feature Erosion Resistant Sealing Surface
Delivery Time 15-30 days after confirmation
Packaging Details Export-grade cartons with foam inserts, palletized for sea or air freight
Application Slurry Pump Valve
Max Use Temperature 1650 deg C
Density 3.85 g/cm3
Hardness HRA 88
Model Number WS-AL-LW07
Certification ISO 9001:2015
Place of Origin Jiangsu, China
Brand Name Wuxi Special Ceramic

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, L/C, Western Union Supply Ability 100,000 Pieces per Month
Color Ivory Shape Valve Seat / Disc, Custom
Alumina Content 99% Al2O3 Feature Erosion Resistant Sealing Surface
Delivery Time 15-30 days after confirmation Packaging Details Export-grade cartons with foam inserts, palletized for sea or air freight
Application Slurry Pump Valve Max Use Temperature 1650 deg C
Density 3.85 g/cm3 Hardness HRA 88
Model Number WS-AL-LW07 Certification ISO 9001:2015
Place of Origin Jiangsu, China Brand Name Wuxi Special Ceramic
High Light Low Wear Alumina Valve SeatHigh Density Ceramic Seal DiscSlurry Pump Valve Component

In slurry pumping duty, valve seats and sealing discs face a continuous barrage of abrasive particles travelling at high velocity. Rubber seats erode, metal seats groove, and every failure stops the pump and drains production time. Our Low-Wear Al2O3 Ceramic Valve Seats are sintered from high density alumina to create a sealing component whose hardness approaches that of diamond, resisting particle erosion that would destroy conventional seat materials in weeks.

The ceramic body is ground and lapped to produce a perfectly flat, smooth seating surface that mates cleanly with the valve ball or disc, reducing leakage and extending the interval between maintenance shutdowns. Because alumina is chemically inert, the seats also survive the corrosive reagents often mixed with slurries in mineral processing and chemical duty.

Key Features
  • Outstanding erosion resistance: High density alumina seats resist particle impact and scouring far longer than rubber, nylon and hardened steel.
  • Flat lapped sealing surface: Optical grade flatness ensures low leakage seating and consistent pump efficiency between overhauls.
  • High hardness: 1600 HV hardness resists indentation by trapped particles that would embed in softer seat materials.
  • Chemical stability: Withstands acidic and alkaline slurry media without swelling, softening or surface attack.
  • Dimensional stability: Ceramic seats hold their geometry under pressure and temperature, avoiding distortion related leakage.
  • Wide size range: Seats and discs are produced from small instrumentation valves up to large heavy duty slurry pump sizes.
  • Interchangeable designs: Parts can be made as direct replacements matching original seat geometry and fixing arrangements.
Technical Specifications
ParameterSpecification
Alumina Content99% Al2O3
Density3.85 g/cm³
Vickers Hardness1600 HV
Rockwell HardnessHRA 88
Flexural Strength330 MPa
Fracture Toughness4.0 MPa×m1/2
Sealing Surface Flatness0.0006 mm
Sealing Surface RoughnessRa 0.05 µm
Water Absorption0%
Maximum Use Temperature1650°C
Coefficient of Thermal Expansion7.6 ×10-6/°C
ColorIvory
Manufacturing ProcessIsostatic Pressing, Lapping
Typical SizesDN25 to DN300
ApplicationSlurry Pump Valve Components
Inspection100% Flatness and Dimension Check
Applications

These components serve slurry pump valve components in mineral processing plants, dredging operations, coal preparation, cement plants, ash handling systems and chemical transfer duties where abrasive and corrosive media must be reliably contained.

Beyond valve seats we supply matching ceramic valve balls, seats for piston and diaphragm pumps, and custom wear discs for special valve geometries, all manufactured to the original equipment dimensions.

Packaging & Quality Assurance

Valve seats are wrapped individually in protective foam and packed in reinforced cartons with partition inserts to protect lapped surfaces during handling.

Each batch is 100% checked for flatness, surface finish and critical dimensions, and inspection reports are provided with the shipment on request.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Importer,Exporter

  • Year Established:

    2008

  • Total Annual:

    >200000

  • Employee Number:

    >100

  • Ecer Certification:

    Verified Supplier

Our History Wuxi Special Ceramic Electrical as a leading special ceramic manufacturer,the factory is located in Chinese famous pottery town “YiXING” city about 200 km from Shanghai. From the beginning of businees ,has been dealing with export business for more than 10 years.... Our History Wuxi Special Ceramic Electrical as a leading special ceramic manufacturer,the factory is located in Chinese famous pottery town “YiXING” city about 200 km from Shanghai. From the beginning of businees ,has been dealing with export business for more than 10 years....

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  • Wuxi Special Ceramic Electrical Co.,Ltd
  • No4 Longshan Road,Xinwu District,Wuxi City,Jiangsu Province
  • https://www.al2o3ceramics.com/

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