May I ask, does it mean that for steel-lined plastic pipes, one can first install the carbon steel pipe and then insert a layer of plastic pipe inside it?
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May I ask: does it mean that for steel-lined plastic pipes, one can first install the carbon steel pipe and then insert a layer of plastic pipe inside it (that is, directly put the plastic pipe inside the carbon steel pipe)? Then, make a flange on the heat capacity surface – is this okay? ?
What you mentioned are steel-lined polyethylene pipes; however, due to the limitations in construction conditions at the site, it’s difficult to ensure good quality. It’s best to have them manufactured by the manufacturer first and then installed at the site