GB/T 9124.1  法兰 DN500-PN6 PL RF Ⅱ 6-1.02b1sc6-1RF0sc@S0AMo2f

DN500-PN6 PL RF Ⅱ6-1.02b1sc6-1RF0sc@S0AMo2f

wn350(b)-40ms=

WN250-25 RF0--0=61.5 R-

pl50(b)-10 rf-c

BL 400(B)-16 RF S=10

WN 500(A)-10 RF S=7.5

3 CM 1500-2.520δ0200Sch21RF00m/u

WN 500(B)-16 RF S=12

WN150 -100 RFSch40)-061(b)-

WN 10-300 MRFf s M S=5