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FAIRCHILD继电器,FAIRCHILD仙童授权代理商
更新时间:2017-12-28   点击次数:610次

FAIRCHILD继电器,FAIRCHILD仙童授权代理商
我们广泛的气动继电器系列适用于多种控制应用:正偏压继电器,正偏压和负偏压继电器,无级可调比率继电器,可逆继电器,平均和计算继电器,高低压选择器以及高低压限制继电器。
偏置继电器
正偏置和负偏置继电器设计用于需要输出压力为受控输入信号加上或减去固定偏置的总和的应用。飞兆半导体的气动偏压继电器产品线包括正偏压继电器,例如型号15,85D和1500A以及处理正偏压和负偏压功能的继电器,如14型。
反向继电器
反向继电器设计用于要求输出等于手动预设弹簧负载减去可变信号压力的应用。这些高质量的设备,例如25型和2500A型,结合了的灵敏度和异常高的流量。这些飞兆逆变气动继电器非常适用于各种精密控制应用,包括将直动阀转换为反向动作,控制来自单个变送器的相反作用阀,以及缓冲气缸负载。
可调比率继电器
飞兆半导体的21型是一款可调比率气动继电器,输出压力与信号压力的比值是无限可调的。调整范围允许信号放大1:30或比例调整旋钮的旋转信号减少30:1。 21D型可提供输入和输出可调偏置。zui大输入偏压为3 psig,zui大输出偏压为9 psig。
气动计算继电器
22型气动计算继电器专为设计用于执行多种专业功能(包括平均,差分,反相和积算)的高度多功能控制阀而设计,是一款多功能的飞兆半导体产品。这种高质量的设备可提供多达四个输入以及大范围的正负偏置,可提供多种配置以满足大多数应用需求。
快动作继电器
24型快速动作继电器是一款高精度差动继电器,具有快动式开关功能。当信号等于或大于设定值时,设备的输出将会提供压力。信号压力必须低于设定值才能将输出恢复为零。这款气动继电器的接近零节流和先导分级功能可以在您的应用中实现真正的快速切换。
选择继电器
90型低压和91型高压选择继电器设计用于选择两个信号压力中较低或较高的压力,为控制装置提供持续的输出压力。 90和91型推荐用于关键应用中的死端或低流量服务,例如需要自动监控信号压力的控制回路。
FAIRCHILD继电器,FAIRCHILD仙童授权代理商

Relays

Our extensive line of pneumatic relays serves a multitude of control applications: positive biasing relays, positive and negative biasing relays, infiniy adjustable ratio relays, reversing relays, averaging and computing relays, high and low pressure selectors, and high and low pressure limiting relays.

  • Biasing Relays

    Biasing Relays

    Positive and Negative Bias Relays are designed for applications that require an output pressure that is the sum of a controlled input signal plus or minus a fixed bias. Fairchild's line up of biasing pneumatic relay products includes both positive biasing relays, such as the Models 15, 85D and 1500A and relays that handle both positive and negative biasing functions such as the Model 14.

  • Reversing Relays

    Reversing Relays

    Reversing Relays are designed for applications requiring an output that equals a manually preset spring load minus a variable signal pressure. These high quality units, such as the Model 25 and Model 2500A, combine excellent sensitivity with unusually high flow capacity. These Fairchild reversing pneumatic relays are 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.

  • Adjustable Ratio Relay

    Adjustable Ratio Relay

    Fairchild's Model 21 is an Adjustable Ratio Pneumatic Relay, whereby the ratio of output pressure to signal pressure is infiniy adjustable. The adjustment range permits signal amplification of 1:30 or signal reduction of 30:1 by rotation of the ratio adjustment knob. The Model 21D is available with both input and output adjustable bias. Maximum input bias is 3 psig, with a maximum output bias of 9 psig.

  • Pneumatic Computing Relay

    Pneumatic Computing Relay

    Designed for highly versatile control valve designed to perform a number of specialized functions, including averaging, differential, inverting, and totalizing, the Model 22 Pneumatic Computing Relay is a versatile Fairchild product. This high quality unit, which offers up to four inputs as well as positive and negative biasing over a broad range, is available in several configurations to meet most application requirements.

  • Snap Acting Relay

    Snap Acting Relay

    The Model 24 Snap Acting Relay is a highly accurate differential relay with snap-acting switching. The output of the unit will go to supply pressure when the signal is equal to or greater than the setpoint. The signal pressure must fall below the set point to return the output to zero. This pneumatic relay's Near Zero Throttling and Pilot Staging result in true snap-action in your application.

  • Selector Relays

    Selector Relays

    The Model 90 Low Pressure and Model 91 High Pressure Selector Relays are designed to select the lower or higher of two signal pressures to provide a continuous output pressure to a control device. The Model 90 and 91 are recommended for dead end or low flow service in critical applications such as control loops requiring precise, automatic monitoring of signal pressures.


FAIRCHILD继电器,FAIRCHILD仙童授权代理商

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