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Question:

What does copper ball valve mean by "1/2"?

What does copper ball valve mean by "1/2"?

Answer:

1/2 is inch inch, which is what is usually called "valve", and the caliber is "DN15". You can see the contrast chart of the valve diameter and inch.
1/2 is inch inch, which is what is usually called "valve", and the caliber is "DN15". You can see the contrast chart of the valve diameter and inch.
This indicates that the caliber of copper ball valve is DN15

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