Ball valve for polysilicon
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In the transportation of silicon powder, solar polysilicon ball valves are easy to be wrapped by silicon powder and cause leakage and other problems. Due to the high hardness of silicon powder, the service life of ball valves is very short. In response to this situation, the company has specially developed and designed a valve suitable for the transportation of polysilicon powder. The strong corrosion resistance of structural ceramics and the highly corrosion-resistant material of zirconium alloy make the life of the new valve 6 times longer than that of the original valve. The equipment management of solar polysilicon powder transportation has been improved efficiently. All parts in contact with the medium are structural ceramic materials, which have extremely high chemical stability and hardness (Rockwell hardness HRC90), second only to diamond. Therefore, the company's special polysilicon valves have extremely high wear resistance, corrosion resistance, erosion resistance, good thermal insulation and low thermal expansion.
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