HG/T 20592  法兰盖 BL 400(B)-6 M00-1.6/250R

BL400(B)-6 m00-1.6/250R

3 FM 600-0.620δ0=80 h=12SC

wn15b-63m-300.0

WN50B-25RFfm92-20

PL 50(B)-16 FF0=100-0ampamp

BI 800(B)-

WN 15(B)-40 FM S=4.5

WN 200-150 RF Sch40S≈�5c92093e-200/0-1.6chot-1-1000b=31905920

SO 250-150 RF b=Sch40f-1.040S° so 100