法兰 BL 40-16 RF.2600 RF S=28.580(B)-6.RFRF C-1 î´F1.0=65mpam1600

BL40-16RF.2600 RF S=28.580(B)-6.RFRF C-1 î´F1.0=65mpam1600

PL 32-16 RF d=10/

pl80b-2.5 rf

WN150B-25RF S=≥4

PL50-16RF MX=N b=3.5 D=160 C=21 f1=3 d=100

SO 100-10 RF f

PL 150(B)-10 RF8116RFRF2070mpa=5.60F 606Gch4…0SRF4h

WN200-150 M S=16

wn250