GB/T 12459  异径三通 DN 1200×1200×750-Sch100TR

DN 1200×1200×750-Sch100 TR

DN40-PN16 LWN RF Ⅱ B=3

WN 10(B)-100 RF S=2.5

SO600-10 RF2/500-1./6000-00-1ampampa0/mpawn20

DN200-Class1500 SO RF

WN 65-16 TX50-

so00(b)-16rfS=1hch8F S=41.5RFF2@RF@4

WN125B-63M S=6

TH 450(B)-160 RFN Sc@/�a-j S

DN4