ASME B16.47  法兰 SO 28"-150 FF

B SO 28"-150 FF

WN 500-600 RF Sc�

WN 20-1500 RJ Sch1200 RF900 FFAFF@PFFt5 RJMF@..R66orumothg2061A5 RJScF&577.5 RJpam��F@5@°F1Ff@41F SCf6�S

wn 25-150 rf3l=33 n HG

LWN 50-300 RF H=289 B=

BII 30235

3 B5988

IF 10-900 G4RF5 RJ-160

PL 32-16