double face valve 两面阀 ; 双面阀
Glass - lined face valve 搪玻璃平面阀
tape-face valve 气门锥面
carbide-face valve 硬质合金座面气阀
detachable valve face 可卸阀面 ; 可拆阀面
valve-face width 气门接触面宽度
slide valve face 滑阀面 ; 滑阀滑面
No matter how the valve is installed, the back of the upstream seat protects the face of the downstream seat.
无论阀门如何安装，上游阀座的后背都能够保护下游阀座的表面。
Many studies were carried on the technologies and properties of laser cladding on the seal face of valve, but lack of contrast data with plasma spraying Alloy applied at present.
气门密封面激光熔覆的工艺和性能研究较多，但激光熔覆的合金组织和性能与现在气门密封面生产应用的等离子喷焊合金的对比数据较少。
Raised-face seat. A groove around the seat collects particles pushed aside by the knife and prevents clogging. When the valve opens, media pressure cleans the groove.
凸面阀座。阀座周围的槽将颗粒收集起来，并排挤到闸刀旁边，以避免出现堵塞。当阀门开启时，流体介质压力就会清洗槽内的颗粒。
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