弯头 DN 40-Ⅱ-390EL D=42

DN 40-Ⅱ-3 90EL D=42

PL 250(B)-10 RF

so80-150rf=6FM 900-1.0/54-110- RF 6

wN40-300rfM1 R MS

47023 FM1600-1.0 δ=12MS=3.H=122 b

nb/t47021 fm550-0.61.0/40钢

PL15b-16 rfS7000rf/10 rl RF10

WN300-300rf

wn20)-10rf/50

wn50(a)-16 ff d=155 aa=0a3/0 L=36 C00