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气体调节阀KV值计算
Selected 调节阀, KV.
调节阀
KV
调节阀
KV
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依据:调节阀口径及Kv计算
调节阀Kv值计算
(气体)
名称
单位
公式/来源
值
1
输入
2
阀前压力,P
1
MPa(A)
1.45
3
阀后压力,P
2
MPa(A)
1.18
4
气体温度,t
℃
90
5
标准状态下气体密度,ρ
N
kg/Nm³
36
6
标准状态下气体流量,Q
N
Nm³/h
3
7
气体压缩系数,Z
/
1
8
过程
9
0.5P
1
MPa
0.5P
1
0.725
10
结果
11
K
V
/
K
V
=K
V
′/F
R
121.8483337
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