GB/T 12459  偏心异径管 DN 150×80-Sch80RE

DN 150×80-Sch80 RE

WN400-600RJ SCHf2

BI 1900

DN32-PN400 WN RJ Ⅱ S=5

WN 150-150 RF S=12

BL 25-150 RF

SO 600-150 RF

LWN 500-300 FFFMch403h40F B

PL 150(B)-25 RF

PL 32(B)-16 RF.5F0.250h10 H=1655rf fm.5f100u009b=/rf00 SF SF Sch.5=0f92-2009.0ch0 rfF3RF