Таг Арцхивес: 1ТП1Т

Standard Pipe Diameters and DN Equivalents in Steel Pipes Pipe Diameters and DN Equivalents in Steel Pipes DN (Nominal Diameter): A term used in European standards that indicates the nominal inner diameter of the pipe in millimeters. Standard Pipe Diameters: Steel pipes are produced in various diameters. The most commonly used standard pipe diameters and […]