日本NACHI不二越阀块M0B-01X-B2-10现货可提供报关单
时间:2023-10-12 阅读:439
日本NACHI不二越阀块M0B-01X-B2-10现货可提供报关单
NACHI不二越电磁阀M0B-01X-B2-10现货可提供报关单,2连以上使用电磁阀或模块化阀时的滑块,配管为双面取出。
NACHI不二越电磁阀M0B-01X-B2-10订货说明:
1.模块化阀用基座块:代码M0B
2.称径(尺寸):代码01、03
3.A、B端口配管直径:代码X:比呼叫直径提高1个尺寸,代码Y:比标称直径提高2尺寸
4.形式:代码B2、B3、B4、B5、B6
5.设计编号:代码10
类型板/基础块
标称直径(尺寸)01
最高使用压力(MPa)25
推荐流量(升/min)40
配管取出口尺寸(A、B)3/8
LA160
RoHS:10-
详见下图资料
日本NACHI不二越阀块阀块用于电液伺服控制系统,在TRT装置中,属于八大系统之一的分系统。作用:电液伺服控制系统,在TRT装置中,属于八大系统之一的分系统。根据主控室的指令,来实现TRT的开,停,转速控制,功率控制,炉顶压力以及过程检测等系统控制,要实现以上系统的功能控制,最终将要反映在控制透平机的转速上,就要控制透平静叶的开度,而控制静叶开度的手段就是电液位置伺服系统。控制系统的精度,误差,直接影响TRT系统各阶段过程的控制。由此可见,该系统在TRT中的地位,作用是十分重要的。
原理:经过方案设计,确定由机、电、液共同构成电液伺服控制系统,由自控系统发出的指令信号,在伺服控制器中与油缸的实际位置信号相比较,成为误差信号放大后,送入电液伺服阀,伺服阀按一定的比例将电信号转变成液压油流量推动油缸运动,由位置传感器发出的反馈信号不断改变,直至与指令信号相等时,油缸停止运动,即停在z定的位置上,是透平静叶稳定在此开度上。油缸的直线运动,通过一套曲柄转变成阀板的旋转运动,改变阀板或静叶的工作角度。通过以上的分析说明,随着系统信号的不断变化,透平静叶的开度也将不断改变,并通过静叶开度的变化,达到控制转数、控制煤气流量、控制透平出力的目的.
阀块失效:
阀块的失效主要表现有孔和杆之间配合间隙过大、动态密封磨损、控制台肩磨损、阅的气蚀等。归纳出形式有以下三点:
(1)性能退化:约占失效的15%;
(2)性能下降:约占失效的70%,分为腐蚀和机械磨损,机械磨损又可细分为磨损、老化、粘合损坏;
(3)意外事故:约占失效的15%。
出现阀块失效最主要的两大原因是:
(1)油液的清洁度不够;
(2)系统进入空气
日本NACHI不二越阀块M0B-01X-B2-10现货可提供报关单
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NACHI不二越M0B-01X-B2-10
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日本NACHI不二越阀块M0B-01X-B2-10现货可提供报关单