GB/T 12459  异径三通 DN 700×700×350-Sch20TR

DN 350×350×700-Sch20 TR

Pl250-10rf

47023M 600-4.0

so 80-25 RF

SO100(B)-300RFtoruRF805y=45d=50Fsch800-25R

WN15(B)-25 FM5F Sch40S6560S300m0-80CH80F6110-20

SO 40-150 RF22 pl0 L-6=5 D=

wn250b-16rf s=-/ fm sch40FM-1-2

2 FF 500-1.020δ1=6ch80

WN 450(B)