Si3N4 Silicon Nitride Lined Ball Valve

Brand : FOYO

Product origin : XIAMEN

Delivery time : 40DAYS

Supply capacity : 300PCS

Silicon Nitride Lined Ball Valve is used for high pressure, high temperature, high thermal shock, high corrosive and high abrasive applications.

Silicon Nitride Ceramics

Silicon nitrides (Si3N4) is a kind of advanced ceramics, which has high strength, toughness, hardness and excellent chemical stability and thermal shock resistant.

Sintered Silicon Nitride Si3N4 Ceramics (SSN)

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SSN is a high purity grade of silicon nitride having a density of approximately 70-80% of theoretical that can be produced in a cost effective manner such as dry pressing, and isostatic pressing, to complex net shapes.  SSN has excellent thermal shock resistance and outstanding compatibility with non-ferrous molten metals.  This lower cost alternative to the fully dense silicon nitride grades can be manufactured to close tolerance without the need for expensive diamond grinding.

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Properties of Silicon Nitride (Si3N4)

Excellent wear resistance and corrosion resistance thanks to high hardenss

High temperature resistance

Good flexural strength and high fracture toughness

Excellent thermal shock resistance

Excellent chemical stability

Dimensional stability and aging resistance

Excellent sliding properties (tribology)


Thanks to the above excellent properties, Silicon Nitride ceramics has been successful used in industrial valves. As a professional ceramic valve manufacturer, Foyo has developed Silicon Nitride lined and seated valves for some extreme severe applications.

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