... valve conical face 气阀圆锥面 valve sealing face 阀门密封面 detachable valve face 可卸阀面 ...
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最适用于阀门密封面的镜面滚压加工。
Ideal for valve sealing surface of the ultra-precision machining.
就阀门密封面等离子弧堆焊的技术关键问题：毛坯加工、工艺选择及质量控制等。
The key problems of technique for plasma hardfacing for sealing face of valve such as blank making. Process selecting and quality controlling.
设计的阀门采用了金属-金属的平面硬密封结构，在流道附近采用耐磨损的材料，提高阀门密封面的磨损寿命。
The new designed valve has metal-metal plane hard airproof structure, using durably grinding material near the flowing road to improve the airproof surface usage life-span.
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