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FAIRCHILD Higher Pressure Selector Relay (M91)

The Model 91 High Pressure Selector Relay is designed to select the higher of two signal pressures, and to provide a continuous output pressure (or pressure range) to a controller. The ability to prec...

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FAIRCHILD Lower Pressure Selector Relay (M90)

The Model 90 Low Pressure Selector Relay is designed to select the lower of two signal pressures to provide a continuous output pressure to a control device. The Model 90 is recommended for dead end o...

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FAIRCHILD Snap Acting Relay (M24)

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 set...

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FAIRCHILD Computing Relay (M22)

The Model 22 Pneumatic Computing Relay is a highly versatile control valve designed to perform a number of specialized functions, including averaging, differential, inverting, and totalizing. This hig...

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FAIRCHILD Adjustable Ration Relay (M21)

The Model 21 Adjustable Ratio pneumatic relay has a signal chamber lever arm, whereby the ratio of output pressure to signal pressure is infinitely adjustable. The adjustment range permits signal ampl...

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FAIRCHILD High Flow Reversing Relay (M2500A)

The Model 2500A Bias Reversing Relay provides an outlet pressure that decreases in direct proportion to increases in input signal. The input signal that acts on the Diaphragm Assembly opposes the Rang...

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FAIRCHILD Reversing Relay (M25)

The 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 sens...

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FAIRCHILD High Flow Positive Bias Relay (M1500A)

The Model 1500 Positive Bias Relay is designed for applications that require an output pressure that is the sum of a controlled input signal plus a fixed bias. This pneumatic relay provides high outpu...

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FAIRCHILD Multi-Stage Positive Bias Relay (M85D)

The Model 85D Multi-Stage Biasing Relay is a precision control combining the sensitivity of a precision pressure regulator with positive biasing capability. This compact, pilot-operated device offers ...

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FAIRCHILD Positive Bias Relay (M15)

The Model 15 Positive Bias Relay is designed for applications that require an output pressure that is the sum of a controlled input signal plus a fixed bias. This pneumatic relay provides an output pr...

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FAIRCHILD Positive and Negative Bias Relay (M14)

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 Model 14 Biasing Pneumatic Relay provides versatility in ...

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