HG/T 20592  法兰盖 BL 200-10 RFh99050RFs0.5 RJ�6data@f2s1�F40�@RF@4 RRF@44F-R�@10(B sch@4400

BL200-10RFh99050RFs0.5 RJ�6data@f2s1�F40�@RF@4 RRF@44F-R�@10(B sch@4400

WN 65-150 RF S=4

PL 250(A)-6 RF16 r

WN40-300RF s=3

BL10-6RFm8S D-R6B/0F

A WN 700-150 RF S=10

pl80(b)-10rf hg/F

SP-72

WN 175-16 RF40l2RJb=

WN 150(B)-10 M S=6d=afbRF1ГҰ�