弯头 DN 50-Ⅱ-490E3D¦

DN 50-Ⅱ-4 90E3D¦

wn600(b)-25rfRF BB=39SC sch80 RF0 RF880-1.40

WN 50(B)-25 RF01.

pl600-6rf-4702

bl250(b)-16 rf-1

Wn40(a)-16RF6/3

WN65(b)-25gf

nb/t 47021 fm 500-1.05 δ=32´

so 40-16 RFf50-2.5 H=125 S1.0

so 50-16rf20592(o2ÃÂ00T0300Re('/',/

pl