GB/T 12459  等径三通 DN 800-Sch10STSc

wn50(b)-10ffnbh2.5/

DN 800-Sch10S TSc

BL500)-16 RFampae1..0 RF SCH8059 RC.

SO40-150 RF061550

PL600-25 RF750RFf.0

WN400(B)-300 RFFM Sch12h16R7.5 RJF

SW20B-40 RFC=28

SO500-16RFFrf(a)

PL25(B)-16RF41.0h16R7.5 RJF/2@-R90F7.5 RJ2R/T2(ch16R7.5r

WN25(B)-25RF