GB/T 9124.1  法兰 DN300-PN10 BL RF Ⅱ d=&

DN300-PN10 BL RF Ⅱd=&

PL200B-16MF2010 Smp2-5jb700-15

WN25(B)-150FM8 b=4

47021 C-FM 600-1.00 700-

WN25-300 RF S=50/80srumf56rf5)M

wn125(B)-150 RFjundh5lJDr/

WN50(B)-10RFRF SCH850 RF2M0/FD=280 K=241.3H1=8f4 Sch100 B=58RFM B=61.93=130 d=20h===b2290