译文：
减温减压阀的基本性能 (1) 调压范围：它是指减压阀输出压力P2的可调范围，在此范围内要求达到规定的精度。调压范围主要与调压弹簧的刚度有关。 　　(2) 压力特性：它是指流量g为定值时，因输入压力波动而引起输出压力波动的特性。输出压力波动越小，减压阀的特性越好。输出压力必须低于输入压力—定值才基本上不随输入压力变化而变化。 　　(3) 流量特性：它是指输入压力—定时，输出压力随输出流量g的变化而变化的持性。当流量g发生变化时，输出压力的变化越小越好。一般输出压力越低，它随输出流量的变化波动就越小。 减温减压阀技术参数： 　　1、公称压力：1.0MPa、1.6MPa、2.5MPa 　　2、壳体试验压力：P=1.5PN 　　3.密封试验压力：P=1.1PN 　　4、出口压力：PN1.0MPa调节阀0.09~0.8MPa 　　PN1.6MPa调节阀0.10~1.2MPa 　　PN2.5MPa调节阀0.15~1.6MPa 　　5、适用介质：水 　　6、适用温度：0℃～80℃

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原文：
The basic performance Reduction Valve (1) Voltage range: it is the regulator output pressure P2 of the tuning range, in this context requests the required accuracy. The major areas of Voltage Regulator and the stiffness of the spring. (2) Pressure characteristics: it is the flow g as the set value, the pressure fluctuations caused by input output characteristics of pressure fluctuations. Smaller fluctuations in output pressure, pressure reducing valve features the better. Output pressure must be lower than the input pressure - it basically does not set value varies with the input pressure. (3) Flow characteristics: it means that the input pressure - time, the output pressure with changes in the output flow g support of change. G when the flow changes, the output pressure changes as small as possible. Generally the lower the output pressure, which changes with fluctuations in the output flow smaller. Reduction Valve Specifications: 1, Nominal Pressure: 1.0MPa, 1.6MPa, 2.5MPa 2, shell test pressure: P = 1.5PN 3. Sealing test pressure: P = 1.1PN 4, outlet pressure: PN1.0MPa valve 0.09 ~ 0.8MPa PN1.6MPa valve 0.10 ~ 1.2MPa PN2.5MPa valve 0.15 ~ 1.6MPa 5, Suitable medium: water 6, for temperature: 0 ℃ ~ 80 ℃