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Ceramic Butterfly Valves-BCD

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Technical Parameters
Size
DN80 to DN300 (3" to 12")
Nominal pressure
1.0 to 1.6 MPa (ANSI Class: 150)
Applicable temperature
≤200℃ (≤392℉)
Materials
Ceramics

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


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

1、Sealing surface is made of structural ceramics which are through arc surfaced contact machining. Compared with conventional butterfly valve, this valve has better wear resistance property and longer service life when used for media with particles.  


2、Adopting eccentric structure, it can reduce friction when valve is open or closed instantaneously.   


Application areas

Power plant

Desulfurization unit, Lime & lime slurry, gypsum, filtrate, etc.

Waste incineration

Desulfurization, lime slurry, HCl absorption tower, etc.

Other

Boiler steam, sea water with particles, high strength particles and corrosive medium


Applicable medium: slurry, pulverized coal, sewage, sludge and other medium.


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