HG/T 20592  法兰 WN 500-16 RF6RF40@6R b0T239f10sch405ARB@4000RF00RF1RFbs

WN500(a)-16RF6RF40@6R b0T239f10sch405ARB@4000RF00RF1RFbs

BL80-300RFฐโ�

WN 40-150 RF S=4 B

WN350-300 RF S=40

SO 400-10 RF S=10T

WN 40(B)-150 RF S=4

BL 300-16 RFch40SFSF0 sch80f16 RF Sh0

SO50(B)-40 RF S=4

WN 250-600RF S=12.5

WN 400(A)-40 RF S=11