HG/T 20592  法兰 PJ/RJ 0(B)-16 FF615 wn4-1=18.rf6 sch401b0R rf50 f2=4 l S=5B=1

DN40-PN16 WN RF Ⅱ S=5�0=10 FF0RFmRJ0(b)-16 ff615 wn4-1=18.rf6 sch401b0R rf50 f2=4 l S=5B=1

bl 20-150 rf52 h=6045-95ch800-S5=0pampo40(b)-16 ff615 wn4-1=18.rf6 sch401b0R rf50 f2=4 l S=5B=1

pl350-6ff

BL 500-10 RF

SO 4"-150 RFSF S

pL50b-25RF

BL