GB/T 12459  异径三通 DN 1300×1300×200-Sch10TR���hg/t216

DN 200×200×1300-Sch10 TR���hg/t216

WN150(B)-10RFS=4.6L��hg/t216

WN15-150RF

PL150(B)-25RF0 s=5=88

hg/t20592-2009 pl150(b)-16rfa�5

WN20-150 RF S=3.5

PL600-10RF/3BIFf s96..

WN 20-300 RF Sch40Sh=700S=832

WN15-150RF SCH80S

PL600-25 RF6 PLB