HG/T 20592  法兰 WN 500(B)-40 RF S=12 C=77 H=160Б∙║я├Б∙▓п▒Б■▄Б∙⌡п

WN 500(B)-40 RF S=12 C=77 H=160Б∙║я├Б∙▓п▒Б■▄Б∙⌡п

47023 m300-1.S-1.0 /h=540.00F0-2.aa=20=1640-1.0/0 S=3.22

SO 150(B)-25 RF b=5F=f8sc H.51(

BL 450-10RFmpa=7h60-H= δs=100CH40SF SCH40SS0

WN500B-10Gothg2�=37F D=340 d=240

BI