GB/T 12459  等径三通 DN 500-Sch80TS

DN 500-Sch80 TS

3 RF 500-4 RF11 RFF25mpampamp23/Sfm8CHe200

WN 40(B)-10 RF S=2.�“аrservlet/

WN100B-300RF S=0/4RF

WN 40-150 RF Sch40/ RF SC0FR

3 FM 450-400bp RFS 304/ch40/8KF11/10/64200Rso10H

so 25(b)-10 rf5/F6 rf b=3F0-10R

bl250(b)-6ffch

C-BL50