Valve seat plate and the sealing surface for the oblique cone structure, in the oblique conical surface of valve plate welding temperature, corrosion resistant alloy material;
阀板与阀座的密封面为斜圆锥结构，在阀板斜圆锥表面堆焊耐温、耐蚀合金材料；
Fairly good results have been obtained by using optimum parameters for surface strengthening and anti corrosion treatment of valve plate.
用优选的工艺参数对阀片进行表面强化与防蚀处理，获得了较好的效果。
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