HG/T 20592  法兰 WN 65-63 RFI S-16 FF�∙ rf sF Sch40-

WN 65-63 RFI S-16 FF�∙ rf sF Sch40-

wn80(b)-63fm s=5.8-1.0RJFR1000-1.0/6

SO 100(B)-25 RFK

TH 1/2"-150 RF5

47022 FM1000-1-/7 hg/t200

pl80b-10rf D/6.4 RF1100-fF8000RJ

SO 80-150 RF2/u00a-900 rj00(0-1.u00c500-150 rf sch40

BL 40-10 RF FM S=6B=621