GB/T 12459  异径三通 DN 1400×1400×8-Sch10STR000-4

DN 1400×1400×8-Sch10S TR000-4

PL50(B)-16 RF=127F15a008f

wn40-150 RF SCH1600 RR0FM1S305620

pl 450(b)-10 rfS=16600

47023 CFM2100-1.020-16RFs0 RF80

A WN 36"-150 RF B=SCH40

WN 300(B)-25 RF S=6aF0B)M

DN400/PN16/01G

WN 40(B)-40 mrf20(B/00 Rc Sc16FSc