HG/T 20592  法兰 PL 150-25 FFF)-16 rf s=5 Rj12= H=165FH10amp Sch

pl150A-25ffF)-16 rf s=5 Rj12= H=165FH10amp Sch

WN 80-16 RF0r¡ SCH16.0 R40 rf300 RF b=7870-156/70 F

47023 fm1300-1.6/94-160

5 CT 2200-0.620δ0=1wn350-600rjB=500

pl100(b)-16 rf b=3 b1=44.5ch80f b=5 rfdn200F14

SO 50-150 RF1 H=79S=4.54.4 N=-2009 D=14