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Polycrystalline Silicon Ball Valves: Critical Component for High-Purity Manufacturing

Views: 112     Author: Site Editor     Publish Time: 2025-03-29      Origin: Site

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Polycrystalline silicon ball valves (Polysilicon ball valves) are engineered for extreme conditions in photovoltaic and semiconductor production. Featuring metal-to-metal sealing technology, these valves ensure zero leakage in high-temperature, corrosive, and ultra-clean environments.

Key Technical Features

  • ‌Superhard Sealing‌: Tungsten carbide/silicon carbide sealing surfaces (Hardness ≥HRA90) resist particle erosion and chemical corrosion

  • ‌Extreme Performance‌: Operate at -196℃~550℃ with pressure ratings up to PN420, suitable for polysilicon reactors and HCl synthesis systems

  • ‌Contamination Control‌: Electropolished surfaces + EP-grade sealing meet ISO Class 1 cleanliness standards

  • ‌Extended Service Life‌: ≥100,000 cycle durability with 3x longer maintenance intervals

Primary Applications

✅ CVD systems in poly-Si crystal growth
✅ SiHCl₃ distillation purification units
✅ Silane (SiH₄) gas distribution pipelines
✅ Photovoltaic silicon crushing systems

Optimize your polysilicon production with ACCTON brand metal-sealed ball valves. Contact our engineers for customized valve solutions today!


If you have any questions, please contact us via email or telephone and we will get back to you as soon as possible.

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