Standard Valves

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HomeCeramic Ball ValvesStandard Valves
Ceramic Ball Valves (DCQ Type)
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Technical Parameters
Nominal diameter
DN15~DN250
Nominal pressure
1.0MPa~4.0MPa
Applicable temperature
-20℃~280℃
Materials
Zirconia / Alumina / ZTA

Main Features
  • Corrosion

    Resistance

    Johncera's advanced ceramics have very stable chemical properties for most acid-base media, performing excellent corrosion resistance.
  • High

    Strength

    Johncera adopts high-performance advanced ceramics as valve ball and lining materials — flange connection, three-stage structure design, forged steel shell, ensuring easy maintenance and high strength.
  • High

    Hardness

    Johncera's zirconia ceramics valve balls have hardness up to HRA88, second only to diamond.
  • Wear

    Resistance

    Advanced ceramics' ultra-high hardness allows Johncera's ceramic valves to operate against the erosion of solid particles in fluid flow. Also, the conveying medium will not be contaminated by the peeling material caused by scouring.
  • Zero

    Leakage

    Johncera's ceramic ball valves adopt a surface contact sealing structure between ball bodies and valve seats. The sealing surface is well polished with high roundness and accuracy. ANSI VI sealing level achieved.
  • Self-lubrication

    With precise ground surface between ball bodies and valve seats, Johncera's ceramic ball valves are self-lubricated in the On/Off process with slight resistance and smooth On/Off switch.
  • Low Torque

    Value

    Since Johncera's ceramic ball valves are self-lubricated, therefore they have low torque value and easy to switch.
  • Long

    Service Life

    Because of the abovementioned properties, Johncera's ceramic ball valves significantly extend service life and reduce maintenance rates.

Product Details


Application areas

Power plant

Desulfurization unit, fly ash, lime and lime slurry, gypsum, filtrate, etc.

Waste incineration

Desulfurization, lime slurry, HCl absorption tower, etc.

Steel plant

Pulverized coal injection, steel desulfurization, lime, silicate, MgO

Paper-making industry

Kaolin, porphyry, talc, quartz, MgO, CaCO3, other paper fillers, bleaching agents, NaOH, filtrate, etc.

Chemical plant

Various acids, metal slurries, organisms, polymers, TiO2 slurries, TiCl4, FeCl2, corrosives, mixed solutions, etc.

Pneumatic conveying

Sand, lime, glass, cement, ore, gypsum, powder, etc.

Fertilizer

Amine nitrate, phosphoric acid and phosphate



PS.Our ceramic ball valve is an industrial valve specially designed for polysilicon transportation, slurry transportation, blanking transportation and other harsh working conditions, and there are V-shaped and O-shaped valve balls for you to choose.

For other sizes and specifications, please contact [email protected] for more information.


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