Model 25 Reversing Relay，美国FAIRCHILD仙童25型换向继电器
Model 25 Reversing Relay，美国FAIRCHILD仙童25型换向继电器
Model 25 Reversing Relay，美国FAIRCHILD仙童25型换向继电器
Model 25 Reversing RelayPart Number: M25
Model 25 Reversing Relay is designed for applications requiring an output that equals a manually preset spring load minus a variable signal pressure. This high quality unit combines excellent sensitivity with unusually high flow capacity. The Model 25 is ideally suited for a variety of precision control applications, including converting direct acting valves to reverse action, controlling opposite acting valves from a single transmitter, and cushioning cylinder loads. The basic mathematical expression for the Model 25 is PO = K - PS where PO is output pressure, PS is signal pressure and K is the spring constant.Features
Control sensitivity of 1/8" water column
Balanced supply valve
Aspirator tube design
Separate control chamber isolates
Unit construction
Benefits
Allows for use in high precision applications
Minimizes the effects of supply pressure variation
Compensates for output pressure droop under flow conditions
Isolates the diaphragm from the main flow to eliminate hunting and buzzing
Allows servicing without removal from air line
型号25换向继电器部件编号:M25
25型换向继电器设计用于需要输出等于手动预置弹簧负载减去可变信号压力的应用。这种高质量的装置结合了优异的灵敏度和异常高的流量。25型非常适合各种精密控制应用，包括将直接作用阀转换为反向作用，控制来自单个变送器的相反作用阀，以及缓冲气缸负载。模型25的基本数学表达式为PO = K - PS，其中PO为输出压力，PS为信号压力，K为弹簧常数。特性
1/8”水柱控制灵敏度
平衡供应阀
吸引管设计
单独的控制室隔离物
单位工程
好处
可用于高精度应用
最大限度地减少供应压力变化的影响
在流动条件下补偿输出压力下降
将隔膜与主流隔离，以消除摩擦和嗡嗡声
无需从航空管道上拆卸即可进行维修
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