HG/T 20592  法兰 WN 300(B)-25 RF s=1�

wn 300(B)-25 RF s=1�

WN 3/4"-300 RF80S52.25/70-1

WN80(A)-40 RF SCH80S BLF0-1

SO 1"-150 FF

BL500-300 M

PJ/RJ 350(B)-10RF

1 RF 500-1.0 δs=10

WN 350-300 RF SCH600�Sch80S=10FRFFM235.2/F Sch160M@RFFF SL200-1hj@5@RFS8150 R

PL 25(B)-10 RF

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