GB/T 12459  异径三通 DN 400×400×300-Sch60TR

DN 400×400×300-Sch60 TR

WN 40(B)-25 FM

pl25(b)-16 rf d=

wn65-150 rf sch10 hch1

wn250-25rfwm250-230

SO 100(B)-16 RF

WN 100-300 RF Sch40S B=

PJ/SE 200(B)-10 RF S=5

WN500-150 FF S=

WN 10"-300 LFF B=247.scc=3.5RF6b=950x-rf1)0-3 b=46 RFأmpampampm