HG/T 20592  法兰 SO 450 (B)-16 RF b=

so450 b-16rf b=

WN40-300 RF Sch40

SO125(B)-16 FM

so15-150 rf r=п©Б

WN 500(B)-16 RF S=12h80sFfS=7ee2/u0-1.6/4FS=7ee2/u0-1.6/4FRFk0-0S÷0=1

3 FM 900-1.040ch40RF Sch60Cs0а‘тˆ δ0=8R

SO 100-150 RF H=30=1

C-FMWN500-150RFsc00S=55/1800-1.0fsch16=

hg-