What does 1/2 mean in valve specification?
1/2 is the representative of American Standard size is DN15.
1/2 inches mean, converted to metric unit is 15mm, belong to small caliber, if the valve specifications, that is, the pipe diameter is 15
1/2 is American Standard, said 1/2. Equivalent to GB DN15, nominal diameter 15mm, indicating that the diameter of the pipe is 15mm. In the plumbing industry, it's called 4 points.Valve specifications in common use:Say: American Standard - GB4 points - 1/2 - DN156 points - 3/4 - DN201 inches - 1 - DN251 inches 2 - 1 and 1/4 - DN321 and a half - 1 and 1/2 - DN402 inches - 2 - DN50
