NB/T 47065.2  支腿 b3=5f T25F�ز�000000.010rf-2586/public/wx/public

SW 20-1500 RF�ШЈВ ШўВёШ№ВҜШЈВ ШўВёШўВёШ·ВўШҘвҖҷШЈВ ШўВё�

WN 1"-150 RF Sch80

B WN 900-150 RF S=XS

WN 4"-1500 RF Sch160

PL 65(B)-16 RF

BL300-16 RF C=27

WN 40(B)-25 RF S=2.5

DN 150-Sch40S 90ES

BL50