HG/T 20592  法兰 SO 80-25 RF b=0150 RFh40RF6Mrfch40sBL45

SO 80(A)-25 RF b=0150 RFh40RF6Mrfch40sBL45

WN25(B)-100GF

SO 80-10 FF6ftM00=m Sc1

so 250-16 rf245F5h40FS=ª=510 RF S=9F0

pl80(b)-16 rf bb=

WN 25-1500 RJhg/

pl40(b)-16rf b=51.0=5 sch40 HfF

WN100-16 RF S=60 f3 d=210f FF S

WN50-1500 RF,S=30S62Fc3-19