NB/T 47021  法兰 C-RF 900-0.6/50-16h00img)-1

47021 C-RF900-0.6/50-16h00img)-1

3 CM 1200-1.620δ0=14602fH1

WN 10(B)-10 M0Rh851 b=3/S=3FMSH10S0-150 RFWN200-15 RF

WN50(B)-63RFoker=jFScMSc0Fm0Sh30=20/HG/635F pl40rf)-16rf/

3 FF 900-1.6

47021 M500-1.6 /cS=1n2.-1.fs=42RFM8

SO 1 1/2"-150 RF

BL300-