HG/T 20592  法兰 PL 15-40 RF è50RF10ampampc

pl15(a)-40rf è50RF10ampampc

PL20(B)-40m/u00e2/

1 RF 1200-1.6

WN 600-150 RF s/600-1.0F b=62002150ASch40S10-16R

wn80-150rf s=Sc0f

AXA-4 2h/F

SO 600-150 RFl0 R00

3 RF 700-1.6F0-f sch40uo

WN 40-16 RF0-1/5

PL 80-2.5RFFF2B)-16 RFb=5-2Р°РҲР�