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PIPING ELEMENT FOR BURIED PIPING, BURIED PIPING MADE THEREOF AND PROCESS FOR PROTECTION COATING OF SAID ELEMENT
PIPING ELEMENT FOR BURIED PIPING, BURIED PIPING MADE THEREOF AND PROCESS FOR PROTECTION COATING OF SAID ELEMENT
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机译:用于埋入式管道的管道元件,由其制成的管道式管道以及用于所述元素的保护涂层的过程
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摘要
The piping element is provided with an external coating comprising a first porous layer of zinc / aluminum alloy containing 5 to 60% of aluminum; and on this first layer, a second layer, called sealer. Application to buried cast iron pipes.
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