电动双阀座蒸汽减压阀采用压力平衡式阀瓣,通过阀瓣升降调节压力可配用ZKZ-BC型或其它型直行程电动执行器实现遥控和自动控制。本蒸汽减压阀的减压比用到0.6较为合适。本蒸汽减压阀主要用于蒸汽管路,调节压力。广泛应用在热电联产、轻纺、印染、石化、制糖等行业。编辑本段一、主要技术参数和性能指标公称压力Mpa1.62.54.06.410.016.0壳体试验压力Mpa2.43.756.09.615.024密封试验压力Mpa1.762.754.47.0411.017.6***高进口压力Mpa1.62.54.06.410.016.0出口压力范围Mpa***佳减压比0.6渗漏量0.5%QMax温量-压力等级ANSIB16.34编辑本段二、主要零件材料零件名称零件材料阀体阀盖底盖WCB阀座304阀瓣2Cr13阀杆2Cr13垫片柔性石墨/1Cr18Ni9导向套2Cr13填料柔性石墨螺栓35CrMoA螺母45编辑本段三、流量系数DN506580100125150200250300350400500Cv15203560701101502304205407101020编辑本段四、外形尺寸PN1.6-4.0公称通径DN外形尺寸LL1HHl50300150880190653401708902058038019091021510040021595024012543022599027515045023010903202005002601160340250550285123037030075039513704603508504451450530400950550157066050011306801780800编辑本段五、外形尺寸PN6.4-16.0公称通径DN外形尺寸LL1HHl50300150880200653401708902158038019091022510040021595025012543022599028515045023010903302005002601160355250550285123039030075039513704803508504451450550400950550157070050011306801780820编辑本段六、电动执行器选配及性能指标公称通径506580100125150200250300350400500配执行机构型号ZKZ-310BCZKZ-410BC/ZKZ-510BCZKZ-510BCZKZ-610BC/BZ250/F1800行程253050/305060100推力N40006400/1600160002500全行程时间S20323762输入信号4-20mADC供电电源220V50Hz380V50Hz基本误差%≤±2.5基本误差%≤±1.5基本误差%≤3)