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What is DN? DN stands for ‘Diameter Nominal’. 본문

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What is DN? DN stands for ‘Diameter Nominal’.

태뽕이 2021. 10. 25. 00:13
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What is DN?


DN stands for ‘Diameter Nominal’.

Put simply, it is a rough translation of mm from imperial sizes, assuming that an inch is 25mm.

We refer to a 12″ flange as DN300, when in fact it is 304mm.

Please use the table below for your reference and if you have any other questions, please ask the Just Valves team.

 

½” DN15
¾” DN20
1″ DN25
1¼” DN32
1½” DN40
2″ DN50
2½” DN65
3″ DN80
4″ DN100
5″ DN125
6″ DN150
8″ DN200
10″ DN250
12″ DN300
14″ DN350
15″ DN375
16″ DN400
18″ DN450
20″ DN500
24″ DN600

 

 

 

 

출처: https://www.justvalves.com.au/what-is-dn-when-referring-to-valves/

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