HG/T 20592  法兰 WN 150(B)-16 RF a1=89/¢F-1.600RJn25-F0.6c1.0 FMF50-150 rf80M S=.

wn150(b)-16 rf a1=89/¢F-1.600RJn25-F0.6c1.0 FMF50-150 rf80M S=.

wn250(a)-100m0F70=211FSCH 80S-

wn80-16rf´ 1so30 -1.

LWN 80-300 RF B=66.5 H=200

SO65-16 RFs=5 RF RF.

BL15-2500RJ/RF B=6RF,b=-1B=2R

WN 80(B)-25 M S=8F S=66 RFB1

a24001.015.5250-1.

W