GB/T 12459  异径三通 DN 80×80×15-Sch120TR1=2.5 C=20 D=6

DN 15×15×80-Sch120 TR1=2.5 C=20 D=6

20592 BL600-40RF/90RFFfF35

WN 100-1500 RF S=11F9300rf21mh3500-S/ B=26 b=3II0FSch40 S=3.91 Sch40

WN 100(B)-10 RF S=8

BL 100-25 RF

2 A16RF450(b)-14.0-300 RF

WN 300-300 RF Sch40SJ B D=19

B BL700-300RF00m K=

PL10B-2.