GB/T 12459  异径三通 DN 580×580×80-Sch100TR

DN 580×580×80-Sch100 TR

BL 100-100 G=73 d=50c6/data

bl20(b)-16m=11905

LWN80-300 RF Sch400-600

PL500(B)-10 RFS=12RF S=1

wn 15-300t/H260 B=2R/&/f/5/RF4

WN 250-600 RF SCH40S= Gaaa RF RFWN800-50-150 RF S

WN250(A)-16RFD==14F4F,Sch40s021 c0

WN10B-63GSc