HG/T 20592  法兰 WN 50(B)-63 RF/F Sch40SSc@RF@443RF0@S5 80A18.FB)-16 RF348780�FS

WN 50(B)-63 RF/F Sch40SSc@RF@443RF0@S5 80A18.FB)-16 RF348780�FS

LWN50-150RF H=281

PL 125(B)-16 RF0 R

B WN800-300 RF-16

pl80-16 rf b1=g/t20RF/t42 d=254.3 k=215.5

so 100B-10RF=5 Sch800-0.25/36FF019=8-1

so20-25rfï150 RF/6/503 K=0=49 S=/fo b1=1638

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