GB/T 12459  等径三通 DN 50-Sch40TS6RF S=9.5b)-10rf-B I

DN 50-Sch40 TS6RF S=9.5b)-10rf-B I

WN450-16 RF S=≥9/

wn125b-25rfFMRFb)600-4.0T7F0rfc=153FRF sXch10s040110

PL100(B)-16 RF f1=122/

WN 500(B)-10 RF0-1.6-10Rs RFF RFF Sch.50

wn300(a)-150RF sch

WN 4"-150 RF

WN700B-150RF S=140=6mpqu(Ah40h40sAA=4N5