HG/T 20592  法兰 PL 80(B)-16 FF b=042ALRFF5@PFRF-150 FF5RF2@F9@RFR

PL80(B)-16 FF b=042ALRFF5@PFRF-150 FF5RF2@F9@RFR

BL 500-6 RF

TPB-55Rsch10 s=3.5

pL 50(B)-10 RF

DN 50-3.6 90EL

WN250-300RF S=10

WN 50-150 RF/RF S0-9/RF

WN 600-150 RF50L44.9FmC=2H=6pd=100

DN40/PN10/12B

WN 80(B)-25 RF S=4 RF ⅡRF-150 RF8 C=47 H=1054.5/