PIPE> 배관 호칭
Diameter NominalDNA(mm)Nominal Pipe SizeNPSB(inches)61/881/4103/8151/2203/4251321 1/4401 1/2502652 1/2803903 1/2100412551506200825010300123501440016450185002055022600246502670028750308003290036100040105042110044120048130052140056150060160064170068180072190076200080220088