阀座、阀瓣密封面均由铁基铬镍不锈钢焊条堆焊而成,提高了耐磨性和抗冲蚀性。
Both sealed surfaces of the seat and disc are overlaying welded with Fe base stainless steel welding rod so as to improve wear resistance and erosion resistance.
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;
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;
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