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High-performance, long service life, suitable for severe working conditions.

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FCQ O-Port Ceramic Ball Valve – For General Use

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Technical Parameters
DN15 to DN250 (1/2" to 10")
Nominal pressure
1.0 to 4.0 MPa (ANSI Class: 150 to 300)
Applicable temperature
-20 to 280°C (-68 to 536°F)

Other standards are available as per customers' request, including ANSI, JIS, DIN, etc.

Main Features
  • Corrosion


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


    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


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


    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


    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


    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

Johncera's FCQ O-port ceramic ball valve has an advanced structural design with floating ceramic seats. It uses sealing rings to compensate for the sealing performance elastically, reaching sealing class VI, the highest level that guarantees zero leakage. Its ceramic lined internal parts provide excellent wear and corrosion resistance, suitable in most industrial applications, including power plant slag discharge, pulverized coal conveying, flue gas desulfurization (FGD), mining industry’s slurry conveying, chlor-alkali chemical industry, etc.

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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