HG/T 20615  法兰盖 BL 50(B)-900 RJSSch30

bl50(b)-900rjSSch30

PL 150(B)-100 RF S3.3F R

WN 125(B)-6RF50 RF Scht0RJ/Fc2@50mpa S�Ft

LWN20-150RF Sch80=220

SP-4-10-10 DN=1400 δ=10

SP-4-10-10

PL 250 B-16 RF

SO 85-16 RFf910CmpfRF0@R H=180 δ=85 h=80 δ1=)-

WN25-600RFSctg RF-1-G0606.2XS Rs

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