GB/T 12459  异径三通 DN 350×350×250-Sch10STR

DN 350×350×250-Sch10S TR

bL35000(B)-16 RF150 RF B=6

WN25(B)-25 RF S=2S41-1-1.0/52-116=3

WN300-150RF S=5RF SCH RFMn45mpampa1

WN125(a)-600RFH4574=11 b-0c=5/6/FrfRFRFB

DN 800×800×550-Sch140 TR

BL125-1500FMC=45RFampnbs

wn200-150rf a=168.3 n=1920RF

WN