Valve leakage and conforms to the ANSIB16.104 standard, valve equipped with multi spring actuator different, large output force.

阀门泄漏量符合ANSIB16.104标准，调节阀配用不同的多弹簧执行机构，输出力大。

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Consistent with the NAMUR standard to connect directly installed in the pneumatic actuator side without the tube connection.

符合NAMUR连接标准，直接安装在气动执行器侧面，无需管子连接。

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But the differences of material? Construction and work condition of actuator lead to difficulty of setting up a standard mathematic model to precisely formulate the dynamic non-linearity character.

但由于驱动器的材料、结构和工作条件各异，所以关于动态非线性的定量描述难以建立一个统一的数学模型。

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