GB/T 12459  偏心异径管 DN 650×10-Sch120RE

DN 650×10-Sch120 RE

WN100-16RF

PL 400(B)-10 RF

bL 500(B)-16 RF

WN500(B)-16 RF S=12

wn65-16 rjSme6Fh11439p

WN600-16RF S=/ B= L=23 HG0 RF4mmFM S=5F R150rfh

bl 20-40 fmt/m

WN500(a)-10 RF0B=600

WN500(a)-16RF81f s/52000l00RF Sch6JS-hamp00ch40SSt51/forl=m