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天饋線防雷器價格
天饋線防雷器價格
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防雷防靜電接地總結

發布日期:2021-03-02瀏覽次數:942標簽:天饋線防雷器價格

        桿上避雷器、路燈、換熱器、金屬支架、電纜保護管、以及悉數電氣設備非載流金屬局部均作穩定接地,接地電阻r≤4ω。

         場區工藝金屬設備均做防雷、防靜電接地。地上金屬管道在進出裝配處、委曲了、分岔、拐彎、變徑等處均做防雷、防靜電接地。平行管道凈距小于100mm時,每隔20m加跨接線,當管道交叉凈距小于100mm時,加跨接線,跨接線給與-25×4鍍鋅扁鋼;閥門、法蘭銜接螺栓小于5個時,加跨接線,跨接線給與bvr-6mm2多股銅芯軟線。
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欧美 亚洲 另类 丝袜 自拍 动漫