GB/T 12459  异径三通 DN 1200×1200×500-Sch10TR

DN 500×500×1200-Sch10 TR

wn100(b)-25 gsc-150 wn2

DN400/PN10/01B rf,s=8=40

A BL 32"-150 RF B=Sch40S

WN15(B)-160 RF S=6ƒ6 δ=4F-25R1

LWN 100-150 RF SCH80S H=300 d=5

BL 250-900 RJpn300096F sch40s00 C=6 S

BL600-16RF12f s00-0.

PL 400(B)-10 RFFFRF