GB/T 12459  等径三通 DN 40-Ⅱ-3.5TSâ€3.5 9

DN 40-Ⅱ-3.5 TSâ€3.5 9

wn150-25 rfs=12

B WN900-150 RFSCH10.f/(A

WN 250(B)-40 RF S=11.5

3 CRF 2600-1rf60RF-1.0Rrf00-1

nb/t47021 fm400-1.0

47021 ff1200-0.6 d=240b=FffRf s

wn250-2500 rfn=32 C=45 undefined=h1000-1.6-1.

wn300b-40rfs=12°/

wn40b-25m s=