HG/T 20592  法兰盖 BL 500(B)-6 RF��ยฐ1-150 RF Sch40S�

BL500(B)-6 RF��ยฐ1-150 RF Sch40S�

DN50/PN10/11B S=2.9

SO 150-150 RF

PL 50(B)-6 RF

PL200(B)-10 RF

so15b-40mrf7F-2010240fC-150 rf0s1.6B)-16/

wn50-300 rf b=42.82

so65(a)-16RF6 RF6TT 20F SCH40SDI0-16505 bch84 S=5

B WN800-150 RF.530-1.6 38/1

5