法兰 BL 80-16 FF bom20/F Sf b=4 î´1=126rfH80SpaFc41=SSch40

BL80-16FF bom20/F Sf b=4 î´1=126rfH80SpaFc41=SSch40

WN50-300 RF B16.5A150 RC

WN50-25 RF

wn80(b)-16rf b=3

BL65-6RFm0RFF09b= n=32 l=39 d=1330 f1=5 δ1DMf

PL65(B)-6RF BB=3/u00e2B=4 b=70

PL250(B)-10RFch

WN80-25RF+S=10.

BL65-2500RJ S=4.F FMF155 B=51600