GB/T 12459  弯头 DN 100-Sch4090EL600-300RFhgII0=h160)-25rf S0F0Rwcc2030ã…�0=20³/RF

DN100-Sch40 90EL600-300RFhgII0=h160)-25rf S0F0Rwcc2030ã…�0=20³/RF

SO 16"-150 RF

PL50B-6RF=42 D=110(b)-10rfbl250-40rff p /�

WN450-900 RF Sch60

B WN900-150 RF S=26

4 B4S=50Sch40WN125-900 RFB=4/

wn80-300rfsch80

wn15-25 ff s=F

SO 100(B)-25 R