GB/T 12459  同心异径管 DN 800×750-Ⅱ-14RC

DN 800×750-Ⅱ-14 RC

SOP FF 10K 125A

A 1600-251125

WN 20(B)-16 FM8=1

bl400(b)-25fm0840rfR

PL 150(B)-10 RF0-300 RF Sch40f b1=13150 RFh9F-.5°FS10R@R4Sc2@RF@

WN 1/2"-150 RF Sch40S

WN 200(B)-16 RF

bl25-6ff75.6RF1000-0.6

so50(a)-150RF000S5tch9h80Sn