NB/T 47021  法兰 C-RF 500-1.0 δs=8RJampamp

1 CRF 500-1.0 δs=8RJampamp

SO 18"-300 FF tf

LWN 80-600 RF B=24.5 H=240

WN 40-600 M S=6b=4-CH40SF RFR�@4�o5 RF��

LWN 25-300 RF B=5RF16Mn HG/

WN 1600(A)-16 FF5×50-9 TR=6F2ampap S=5s400-1.0Fg=8

SO 50-150 RF B=61=6 16=695

WN65-150RF S=7ذ�