GB/T 12459  异径三通 DN 1100×1100×80-Sch40STR

DN 1100×1100×80-Sch40S TR

B WN 900-150 RF B=

PL600(b)-6RFF00-1FH150 RF Sa27FM-140sR=44 H8 BI2000W

WN100-16RF½Ã‚´=301500rfsch

PL600-10RF D=895 K=

WN 300(B)-40 RF S=10

BL500-25RFF

BⅡ1700-617R/�5um.Sc6.40)-10rf9r-0.6raS=42 S=F(

WN100-600RF