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Underground chilled water piping !

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  • Underground chilled water piping !

    I have to embed around 15 meters of chilled water supply and return lines. I will give them min two coates to epoxy paint, insulate them with rigid fiber glass pipe insulation having vapor barrier over it, and finally wrap around the whole length with denso tape. Please do share if I have missed something. *I have read somewhere that pipe should be painted with two coats of zinc chromate, does it give a better protection against moisture. Thanks
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