NB/T 47021  法兰 RF 1500-0.25/616/65-145RF/

47021 rf1500-0.25616/65-145RF/

BI 2500 h=2H30

BL25(B)-10 RF®Â

so250b-16m/as/S=10 &quo S=F

ASME B16.5 WN500-300RF SCH80

3 CM 650-2.520δ0=20h806d4

3 RF 500-1.0200s5=380 RJ RF

WN 500-300 RF Sch80S

WN400-300 RF 8F5 RF S=3

PL100(B)-10fF26 ГғЖ’Г