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1\" equals millimeters

2015-12-08View Original

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What is 1” equal to in millimeters? What does it represent?
Reply #22015-12-08
This post was last edited by ylb913 on 2015-12-8 at 19:29. 1 inch is equal to 25.4 millimeters. The nominal diameter is DN25.
Reply #32015-12-08
25 points 4 millimeters, in imperial units, is used to denote length; in Chinese, it is called inches or inch
Reply #42015-12-08
No, 1″ is metric, not imperial 25.4. It’s on a scale of 8 points
Reply #52015-12-08
Thank you for your guidance, master. I’ll take another look at the materials
Reply #62015-12-09
The standard conversion for one inch is approximately 25.4 millimeters. When talking about pipes, it is usually referred to in terms of diameter. 1-inch pipe is also known as 8-pipe.
Reply #72015-12-09
The answer is upstairs. Pipes with a diameter of 1 inch, 8/16 inch, DN25, and a diameter of 25.4 all have the same outer diameter. But it is used in slightly different ways. 1 inch, in imperial units, is generally used to denote steel seamless pipes. Grade 8, generally used in plumbing fixtures, usually made of PP plastic. DN25 is generally used to indicate pipes, especially valves; flanges usually come with a nominal pressure specification. It is also used in galvanized pipes. 25.4mm is basically rarely used; it is generally employed to denote steel seamless pipes, especially when design institutes replicate foreign drawings.
Reply #82015-12-09
This post was last edited by Dawn Bellows on 2015-12-9 at 16:55. “=25.4mm (millimeters)” refers to the diameter of pipes in imperial units; it is the diameter of a DN25 pipe. I’m not sure what the original poster is trying to ask – it doesn’t seem to be clearly expressed~

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