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Dn200 Steel Pipe

Dn200 Steel Pipe, NPS 'Nominal Pipe Size' and DN 'Diametre Nominal'For instance, a 2inch galvanized steel pipe has an inside diameter of about 2 1/8 inches and an outside diameter of about 2 5/8 inches. In plumbing pipe size is referred to as nominal pipe size NPS, or "Nominal Pipe Size". The metric equivalent is called DN or "diametre nominel". The metric designations conform to International Standards

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