GB/T 9124.1  法兰 DN180-PN16 PL RF Ⅰ �

Bl 50-16 RF S3 S=4h160FFFh60

DN180-PN16 PL RF �

PL 25(B)-10 RF430p1200-f

47065.4 B2CF SCH1409.5

DN65/PN16/11B S=3

PL100(B)-16 RF B=78 C=20 b=5

HG/T20592-2009WN40B-25 RF RF S=140 RF S=10=32

WN100-160RF B/80-165r4o/0-40RF95 LFMS/RF S-2.5 dn

47023 C-