译文：
　调节阀的测试方法及主要性能: 　　1.1 气动调节阀主要性能及测试： 气动调节阀的性能指标有：基本误差、回差、死区、始终点偏差、额定行程偏差、泄漏量、密封性、耐压强度、外观、额定流量系数、固有流量特性、耐振动性能、动作寿命，计13项、前9项为出厂检验项目。由于调节阀的运输、工作弹簧范围的调整等因素，安装前往往需要对如下性能进行调整、检验： 1）基本误差将规定的输入信号平稳地按增大和减小方向输入执行机构气室（或定位器），测量各点所对应的行程值，计算出实际“信号－行程”关系与理论关系之间的各点误差。其{zd0}值即为基本误差。试验点应至少包括信号范围0、25％、50％、75％、100％这5个点。测量仪表基本误差限应小于被试阀基本误差限的1/4。 2）回差试验程序与上面第1）点所述相同。在同一输入信号上所测得的正反行程的{zd0}差值即为回差。 3）始终点偏差方法同第1）点。信号的上限（始点）处的基本误差即为始点偏差；信号的下限（终点）处的基本误差为终点偏差。 4）额定行程偏差将额定输入信号加入气动执行机构气室（或定位器），使阀杆走xx程，实际行程与额定行程之差与额定行程之比即为额定行程偏差。实际行程必须大于额定行程。 5）泄漏量试验介质为10～50℃的清洁气体（空气和氮气）或液体（水或煤油）；试验压力A程序为：当阀的允许压差大于350KPa时，试验压力均按350KPa做，小于350KPa时按允许压差做；B试验程序按阀的{zd0}工作压差做。试验信号压力应确保阀处于关闭状态。在A试验程序时，气开阀执行机构信号压力为零；气闭阀执行机构信号压力为输入信号上限值加20KPa；两位式阀执行机构信号压力应为设计规定值。在B试验程序时，执行机构的信号压力应为设计规定值。试验介质应按规定流向加入阀内，阀出口可直接通大气或连接出口通大气的低压头损失的测量装置，当确认阀和下游各连接管道xx充满介质后方可测取泄漏。 1.2 电动调节阀主要性能及测试： 电动调节阀主要性能指标有：基本误差、回差、死区、额定行程偏差、泄漏量、密封性、耐压强度、外观、额定流量系数，固有流量特性、耐振动、温度、长期工作可靠性、防爆、阻尼特性、电源电压变化影响、环境温度变化影响、绝缘电阻、绝缘强度等。前10项指标的要求和试验方法均与气动阀相同或相似，其中基本误差、回差、死区、泄漏量、密封、外观、阻尼特性、电源电压变化影响、绝缘电阻为出厂试验项目，后3项性能指标的要求和试验方法为： 1）阻尼特性电动调节阀的阻尼特性，在正、反行程的两个方向上规定为阀杆不超过3次“半周期”摆动。试验方法是在输入端分别加入输入信号范围值的20％、50％、80％信号，观察阀杆在正、反行程相应位置上“半周期”摆动次数。 2）电源电压变化影响电动调节阀的供电电压在220+20-30V范围内变化时，阀杆的位移变化值不应超过全行程的1.5％。试验方法是在电源电压为220V时，在输入端加入信号范围值的20％的信号测量相对应的阀杆行程值，然后将电源电压调到190V和240V，测量相对应的阀杆行程变化值。再依次加入信号范围值的50％、80％的信号、测量阀杆行程的变化值。 3）绝缘电阻当环境温度为10～35℃、相对湿度不超过85％时，电动调节阀的绝缘电阻应符合下列规定：各输入端子对机壳不小于20MΩ；各输入端子对电源端子不小于50MΩ；电源端子对机壳不小于50MΩ。试验方法是采用500型兆欧表测试。

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原文：
Control Valve Test Methods and Performance: 1.1 The main properties of pneumatic valves and test: Pneumatic control valve performance indicators: basic error, hysteresis, dead band, and always point bias, rating schedule deviation, leakage, sealing, compressive strength, appearance, rated flow coefficient, the inherent flow characteristics, vibration performance, action life, namely, 13, before the 9 test items for the factory. Regulating valve as transportation, work to adjust the scope of such factors as the spring, before installation often requires the performance of the following adjustments to test: 1) The basic error will provide a smooth input signal increases and decreases according to the direction of input actuator chamber (or locator), measurement points corresponding to the trip value, calculate the actual "signal - travel" relationship with the theoretical relations error between the points. The maximum value shall be the fundamental error. Test points should include at least the signal range of 0,25%, 50%, 75%, {bfb}, which is 5 points. Measuring instruments are basic error limit should be less than the basic error limit test valve 1 / 4. 2) The hysteresis test procedures and the above paragraph 1) above the same. The same input signal measured by the difference between positive and negative shall be returned to visit the biggest difference. 3) always point deviation method with 1) point. Signal limit (starting point) Department shall be the basic starting point bias error; signal limit (end) Office of the basic error of the end bias. 4) Rated input stroke deviation would be rated by adding pneumatic actuator chamber (or locator), to stem the whole journey, the actual trip and the difference between nominal and rated travel itinerary of the trip than the deviation shall be rated. Actual travel itinerary must be greater than the rated. 5) The leakage test medium for 10 ~ 50 ℃ clean air (air and nitrogen) or liquid (water or kerosene) are; test pressure A procedure: When the valve to allow pressure greater than 350KPa, the test pressure Junan 350KPa do , less than 350KPa allow pressure to do when the press; B testing procedures according to the maximum working pressure valve to do. Should ensure that the valve pressure test signal is turned off. A pilot program in, the air pressure to open valve actuator signal is zero; gas closing valve actuator input signal pressure to the upper limit of plus 20KPa; 2-type valve actuator pressure signal design requirements should be for the value. In the B test program, the executing agency for the design of the signal pressure should be the specified value. Test medium should be required to join the flow valve, the valve can be directly exported through the atmosphere or to connect the first export through the atmosphere, the loss of low-pressure measuring device, when recognized downstream of the valve and connecting pipe completely filled with medium taken after the leak be detected. 1.2 Main performance electric control valve and test: Electric control valve key performance indicators are: the basic error, hysteresis, dead zone, rated stroke deviation, leakage, sealing, compressive strength, appearance, rated flow coefficient, the inherent flow characteristics, vibration, temperature, long-term operational reliability , explosion, damping characteristics, supply voltage change, temperature change, insulation resistance, dielectric strength and so on. Before the 10 indexes requirements and test methods are the same or similar with the pneumatic valve, Qi Zhong Jibenwucha, Hui Cha, dead zone, leakage, sealing, appearance, damping 特性 the power supply voltage Ying Xiang, insulation resistance for the factory 试验 project, post three performance requirements and test methods are: 1) The damping characteristics of the damping characteristics of electric control valve, the positive and negative direction of travel of the two provisions of the stem not more than 3 times "half cycle" swing. Test method is to input the input signal range values were added to 20%, 50%, 80% signal, observe the valve stem in positive and negative stroke position corresponding to "half-cycle" swing number. 2) The power supply voltage affect the power control valve 220 +20-30 V supply voltage in the range of changes, changes in the value of the displacement of the stem should not exceed 1.5% of the whole trip. Test method is for the 220V power supply voltage when the input signal range by adding 20% of the value of the signal corresponding to the valve stem stroke measurement value, and then transferred to 190V supply voltage and 240V, measured the corresponding changes in the value of stem travel . Signals are then added to the value of another range of 50%, 80% of the signal, measured changes in the value of stem travel. 3) Insulation resistance when the ambient temperature is 10 ~ 35 ℃, relative humidity of not more than 85%, the electric control valve of the insulation resistance should meet the following requirements: the input terminal of the casing is not less than 20MΩ; the input terminals of the power supply terminals are not less than 50MΩ; power supply terminal on the casing is not less than 50MΩ. Test method is used 500 megohm meter test.