NB/T 47022  法兰 C-RF 1700-1.

2 CRF 1700-1.

SO200A-25RF2501=10f450(092R6 MRF3F SCH RFRFBF f1=3150rf6F R24

WN25B)-160RF4200RFc

PL125(B)-16 RF--0.60Fhgf-10

BL50-16FFD=15/(B

WN400(B)-40 RF S=5.6Å(B)-40 RF

WN200-25 RF h=351D=5/u25 RF00-1000-1

pl32-40ffj/u0-15000 RF B=48

PL125-6 RF=1