安全阀计算书中英文.pdf
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安全阀选型(集汽集箱安全阀)
Safteyvalvemodelselection(safetyvalvecontainer)
整定MPa
P2.81
Setpressure
排放MPa(绝压)
PdReleasepressure(absolute1.03×2.81+0.12.99
pressure)
喉部面积mm32
0.785
A
laryngealacreaged
排量系数releasecapacity
K0.75
coefficient
过热修正值
M0.82
Overheatcrrectvalue
W所需额定排放能力Kg/h45000
t
Releaseratingcapacity
2Wt
=
d
5.25×0.785Pd×K×0.9×0.82
d
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