HG/T 20592  法兰 SW 40(B)-16 RF H=27��MTh4F16SMF38@wn100(b)-16R2F0aSFS1@

SW40(B)-16 RF H=27��MTh4F16SMF38@wn100(b)-16R2F0aSFS1@

LWN40-150 RF B=38 H=409

WN 50-300 T Sch80S

DN40-PN10 BL RF �SMmr0 RFf0- RF-2-.

LWN50-150RF

WN 300(B)-63 M S=3 RJfFhEFSf s

WN350(B)-63rf56 R

SO250(B)-16 RF

pl15-16tg00 RF0.700 B0-4.

SO 250-