GB/T 12459  偏心异径管 DN 80×65-9REF B-10

DN 80×65-9 REF B-10

so65-25m

WN150-2500 G

WN50-150 Fm Sc

21RF800-1.0 S=10-9RF Sc/9=3.5 &F

WN100-600 RF Sch80

WN 40-150 RF25 RF

法兰WN600(B)-25RF S=12FSch4ch30hf0090 l=33740RF S=5bb=

WN25A-25RF D=150 N

PL 40(B)-16 RF S=5=70.0/63-u00=RF=382F S=2.777