GB/T 12459  异径三通 DN 900×900×250-Sch140TR(fwnf-/865 k=602

DN 250×250×900-Sch140 TR(fwnf-/865 k=602

WN50-600 t5.252i7 S1=1a wn1000-150 rf

wn40B-160M-2.5.

PL 200(B)-16 RF

BL50-150RF D=130 K=94 L=1/FFrfB)-161

WN 250(B)-16 RF S=7 rf b=4

BL25-150RJ20D==65TF00=m

SO 6"-150 RF

20615 wn350-150 rfp0=5R2-800-

P