HG/T 20615  法兰 WN 100-150 RFBh ScF@ï)a40FFFFFSc RJ RJ�� RF�a4u

wn100(a)-150RFBh ScF@ï)a40FFFFFSc RJ RJ�� RF�a4u

PL50(B)-16 RF b= B=59.5

SO 350(B)-16 FFpa.DM)M)/u00a3n35d60 RF Sch4

WN40-10M0RF7.5

WN500-300 RF S=12.5

WN350(B)-16 FM RF Sch80-h/72

bl80(b)-16RFpa sch40255/mpa

wn2"-150RF S=5.49

WN20(B)-15