GB/T 12459  等径三通 DN 350-Sch60TS rf-1h160�п▒Б�

DN 350-Sch60 TS rf-1h160�п▒Б�

20592 SO200(B)-16RF50b-16 rf-1.6RFRFWN

DN400-PN2.5 WN RF Ⅱ S=3.5

PL65(B)-16 RF4010 S1=12RF)-16 RF5

1 RF 800-0.25 δs=4

HG20615 SO200-150 RF0-150 rf sch40.0/70-

WN500(B)-25 RFs1225RF1.0S=1010 RFrf h

PL10B-2.5RF=