HG/T 20592  法兰盖 BL 40-16 RFm

bl40-16 rfm

B WN 900-300 RF S=3.6

SO 8"-150 RF

sh/@wn100-150 rf

PL200-6RF

WN 3"-150 RF S=5.49

WN450-16 RF

WN 150(A)-40 RF S=7

PL32(b)-10 RF

SO 1 1/2"-150 RF0 RF S=7�@S7RFch0RF00.5 RJRFR-K 50ABFmn=8-20chpampamppp;amp;ampampquotHG20615