HG/T 20592  法兰 PL 500(B)-10 RFb=3 65B)-F/h805B=1224 C=15 n=32

PL 500(B)-10 RFb=3 65B)-F/h805B=1224 C=15 n=32

WN 40-150 RF Sch120jSch16

PL 25(B)-10 FF=16 l=30 c=38ampampampampampah40/6 M)-

WN100-150 RF0δ1=10/8N5/fF A=159 B=0(b)-16 r

WN80-16RF d=137 L=19 S=5 AA=89 H1=12

SO 6"-150 RFB) δ=151=RF＝Sch80-4j s