HG/T 20592  法兰盖 BL 40-25 RF

BL40-25 RF

SOP RF 10K 100A

A BL1500-150RF/6/CSch160R10

WN 1 1/4"-2500 RF Sch40S

WN50-16RF

WN100-16RF

WN 12"-150 RF Sch80

so15B-900 RF

SO 300(B)-16 FMmf sch80s-1.0t/

WN 150-150 RF4s=12-25 fm-300 RF Sch816 RFu2RF0s25RF0=1-150 RFrfch-f/u5FFp3F