NB/T 47023  法兰 FM 1100-2.5 δ0=11

3 FM 1100-2.5 δ0=11

1 RF 550-1.0 δs=5

SO 125(B)-16 RF

1 CRF 700-1.0 δs=5 δ=50 DN=750 D=880 D1=840 D2=985 n=36

WN 40-150 RF Sch40S

1 CFM 1200-0.6 δs=6

pl50(B)-16RF360mpampampaRFFRc

PL450B-6RF

so 25-150 RF

pl125(b)-2.5 rf c=125SO100-rf s=60FS�ҝ