Here are some commonly used corrosion-resistant ceramic materials for valves:
1. Alumina (Al2O3): Alumina is a widely used ceramic material, known for its high mechanical strength, chemical stability, and resistance to corrosion. It can withstand exposure to a wide range of acids, such as HCl and H2SO4.
Alumina Valve Application Industry: chemical processing and wastewater treatment.
2. Silicon Carbide (SiC): Silicon carbide is a highly corrosion-resistant ceramic material that offers excellent resistance to acids, including strong acids like HCl and H2SO4. It also has good thermal conductivity and mechanical strength, making it suitable for high-temperature applications.
Silicon carbide valve application industry: oil refining, chemical processing, and power generation.
3. Zirconia (ZrO2): Zirconia is another corrosion-resistant ceramic material that exhibits high mechanical strength and excellent resistance to acids and bases. It has a low reactivity with HCl and H2SO4 and can maintain its properties even at elevated temperatures.
Zirconia valve application industry: corrosive chemicals and high-pressure conditions.
Above are just a few examples of corrosion-resistant ceramic materials for valve. The specific choice of ceramic material will depend on the operating conditions, chemical compatibility, temperature range, etc. It is essential to consult with valve manufacturers or experts in the field to determine the most suitable ceramic material for your specific requirements.
|
Material corrosion resistamce comparison chart |
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|
Medium |
HCl |
HCl |
H2SO4 |
H2SO4 |
H3PO4 |
H3PO4 |
HF |
HF |
HNO3 |
HNO3 |
NaOH |
NaOH |
|
Mass Fraction |
20% |
20% |
90% |
90% |
60% |
60% |
10% |
46% |
60% |
60% |
30% |
30% |
|
Temp |
60°C |
95°C |
60°C |
95°C |
60°C |
95°C |
60°C |
95°C |
60°C |
95°C |
60°C |
95°C |
|
99.0%Al2O3 |
a |
a |
a |
a |
a |
a |
b |
c |
a |
b |
b |
b |
|
99.5%Al2O3 |
a |
a |
a |
a |
a |
a |
b |
c |
a |
a |
a |
a |
|
ZrO2 |
a |
a |
a |
a |
a |
a |
a |
c |
a |
a |
a |
b |
|
SS 304 |
c |
Χ |
c |
c |
c |
c |
c |
Χ |
a |
b |
a |
a |
|
SS 316 |
c |
Χ |
c |
c |
c |
c |
c |
Χ |
a |
b |
a |
b |
|
Remarks: a-Recommended using for non-corrosive occasion or corrosion can be ignored. b-It is suitable used for slightly or less corrosive occasion. c-Don,t recommend using for moderately or strong corrosive occasion. x-Don,t allow using for severely corrosive occasion. |
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If any interested in ceramic valves, welcome to contact Johncera!
All Johncera valves are made of independently developed ceramic powder, and the ceramic material could be selected based on your own working conditions. We will promptly respond to your needs, to recommend the most suitable valve for you. Feel free to reach out! Email: [email protected]
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