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Showing 25–48 of 88 results

  • Manifold Kits for T6000, T7800 and T7950 Transducers Current to Pneumatic (I/P or E/P)

    The Manifold Kits for the T6000, T7800 and T7950 Series Transducers are available for mounting 3, 5, 10 or 15 transducer units. These manifolds have a common supply port to all the transducers. Internal check valves in the inlet and outlet ports permit the installation and removal of individual transducers without affecting other units on the manifold. Supply port connections are provided on the end and rear of the manifold. Outlet ports are located on the rear and bottom of the manifold. Mounting brackets for flush or extended mounting from the back wall are available. These options allow the user to select the combination of supply ports, outlet ports and mounting configurations to maximize usage of available space.
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  • Manifold Kits for T8000 Series Transducers Pneumatic to Current (P/I)

    Manifold kits for the T8000 Series Transducers are also available for mounting 3, 5, 10 or 15 transducer units. All input ports on the manifold have internal check valves to seal off the input signal(s) if a transducer is removed from the manifold. Since each housing may contain two individual P/I transducers, the quantity of P/I's on the manifold has the capability of doubling. Rear and bottom input port connections and flush or extended mounting brackets allow the user to configure the manifold to maximize the use of available space.
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  • 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 or low flow service in critical applications such as control loops requiring precise, automatic monitoring of signal pressures.
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  • 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 precisely control pressure switching and pressure monitoring functions make the Model 91 the logical choice in dead end or low flow applications such as precision control loops.
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  • 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 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.
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  • 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 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. The combination of multiple configuration options and accurate response characteristics make the Model 22 the ideal choice in a variety of applications with specific input/output requirements such as override or multi-element control, or as an ON-OFF valve. When used as an ON-OFF valve, the Model 22 may open or close a pneumatic circuit, moving rapidly to a full open or a full closed position when signal pressures deviate from set point. In the full open position, the valve passes full supply pressure without modulation or regulation. The function is achieved by connecting output pressure to the signal chamber. This connection forms a feedback loop so that, once flow is started, the valve is driven wide open. The relay always goes full open or full closed when conditions are as shown in the diagrams on the Fairchild specification sheets and catalog.
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  • Adjustable Ratio 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 amplification of 1:30 or signal reduction of 30:1 by rotation of the ratio adjustment knob which moves the fulcrum. . Output pressure is a function of signal pressure times the ratio of lever arm lengths on either side of the fulcrum. Bias may be introduced by means of the set screws. 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. The basic mathematical expression for the bias in this relay is Po = (Ps-K1) R+K2, where Po = Output pressure, Ps = Input signal, R = Ratio of setting, K1= Input bias, (-) only, and K2 = Output bias, (+) only.
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  • 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 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.
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  • 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 Range Spring force and closes the Supply Valve to decrease output pressure, according to the formula (Po = K - Ps); where Po is output pressure, K is the spring constant, set by the screw, and Ps is signal pressure. The M2500A pneumatic relay delivers this performance at a flow capacity of 150 SCFM (255 m3/HR), to provide fast response and tight control over your application.
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  • 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 its ability to provide either positive or negative biasing in a single unit. The output of the Model 14 relay is the sum of the spring bias, set with the Range Screw, plus a pneumatic input signal. (Po = Ps � K); where Po is output pressure, Ps is signal pressure, and K is the combined spring constant.
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  • 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 pressure that represents the input signal pressure plus a preset bias. Mathematically Po = Ps + K where Po is output pressure, Ps is signal pressure and K is the spring constant. This unit, available in several bias range configurations to meet a variety of output requirements, offers excellent sensitivity and high flow capacity in a small volume. The Fairchild Model 15 Pneumatic Biasing Relay is well suited to a variety of control applications, including range shifting, and tension control, and pressure control from a remote location.
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  • 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 unusually high output capacity with minimal air consumption, while providing excellent protection against supply or output pressure variations. The versatile Model 85D is recommended for use in systems requiring precision pressure maintenance and instrument biasing, in dead end service and instrument panel supply applications. The basic mathematical expression for the Fairchild Model 85D is PO = PS + K where PO is output pressure, PS is signal pressure and K is the spring constant.
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  • 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 output flow at an output pressure that represents the input signal pressure plus a preset bias. The output of the relay is the sum of the spring bias, set with the Range Screw, plus a pneumatic input signal. (Po = Ps + K); where Po is output pressure, Ps is signal pressure, and K is the spring constant set by the Range Screw.
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  • Lock in Place I/P Pressure Transducers (T6100)

    Uniquely designed by Fairchild, the T6100 "Lock in Last Place" I/P pressure transducer provides flexibility, reliability and safety in applications requiring protection from signal failures to critical control system instruments. Its simple yet effective voice coil actuation now Locks in "Last Position" to accurately capture the setpoint with extremely low drift after a power loss permits the T6100 to maintain set point. The unit's IP65 rating allows you to handle moist applications with ease. Design of the T6100 relies on a proprietary integrated solenoid valve module interposed between the flapper-nozzle pilot and the booster section. Upon signal failure, an electrical charge stored within the active electronic circuit controlling the integrated solenoid valve module maintains the current to the voice coil at its last setpoint. Simultaneously, a high energy pulse closes the solenoid valve, trapping the signal pressure within the signal chamber at the last setpoint. The booster continues to provide its normal forward and exhaust flow, with the constant signal pressure now captured and maintained within the signal chamber. Advanced valve orifice design of the T6100 increases its forward flow capacity to a minimum of 5-scfm at 21-psig supply pressure.
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  • Voice Coil EP, E/P, I/P Pressure Transducers (TXPD6000)

    The TXPD6000 I/P transducer is a field reversible unit that provides an output directly or inversely proportional to the input signal. Its six available output pressure ranges and six available input signal ranges meet most process and machine requirements. The TXPD6000 Series is designed for precision applications providing maximum versatility. In this explosion proof NEMA 4X configuration, the TXPD6000 is approved by FM, CSA and ATEX and ready for your installation in hazardous duty.
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  • High Precision I/P Pressure Transducers (TXI7800)

    Designed for use in hazardous environments, the Fairchild TXI7800 series product is an explosion proof I/P pressure transducer. It operates under the same principles as the T7800 product; however the TXI series includes NEMA 4X explosion proof construction. Our design isolates the electronics chamber from the pneumatic section, thereby creating a safer and longer service life product, especially for applications handling natural gas. In the Extended Range units, the TXI7800 series will also deliver up to 0-120 psi [0-8.0 BAR], (0-800 kPa) output. The TXI7800 series is approved for hazardous use and carries FM. CSA, ATEX and IECEx approvals.
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  • Moisture Resistant I/P Pressure Transducers (TXI7850)

    Fairchild's TXI7850 I/P Pressure Transducer operates under the same basic principles as the TXI7800, yet improves upon the design. By encapsulating and otherwise protecting the critical components, Fairchild designed the Explosion proof TXI7850 I/P Pressure Transducer to be highly resistant to moisture within the supply air lines. Available in both standard and extended range configurations, the TXI7850 delivers vibration, shock and moisture resistance in output pressures up to 0-120 psi [0-8.0 BAR], (0-800 kPa). It carries full Agency Approvals, including FM, CSA and ATEX certifications.
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  • Explosion Proof P/I Pressure Transducers (TXI8000)

    Our TXI8000 P/I Transducer Series is a miniature two wire pressure device that converts a pneumatic input signal to a linearly proportional output current. It is field reversible and offers output choices of 4-20 mA or 10-50 mA. The TXI8000 Series is designed for precision applications providing maximum versatility. The TXI8000 Series may be configured as a Single or Dual Channel Unit. The Dual Channel Unit consists of two PC Boards that are enclosed within the same housing and function independently of each other. This unit may be offered in any one of the seven standard input pressure signals or in any combination.
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  • Compact E/P, I/P Low Pressure Transducers (T7500)

    T7500 Series Low Pressure Proportional Valve

    The T7500 series low pressure transducer converts DC electronic input signal to a proportional low pressure pneumatic output. The transducer employs electronic closed loop feedback in conjunction with a piezoceramic actuator flapper nozzle system in the pilot stage to control the signal pressure of an integral pneumatic volume booster. The volume booster employs a highly sensitive control diaphragm and main valve to accurately control the flow of air to the downstream system in response to the pressure received from the pilot stage. The electronic closed loop feedback senses the output pressure of the volume booster directly to affect the ultimate in accurate pressure control.

     
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  • Compact E/P, I/P Pressure Transducers (T7800)

    High performance at economical process is available from the Fairchild T7800 series of piezo-ceramic actuated I/P transducer. These units offer state of the art accuracy up to 0.15% FS. The disc actuation mechanism provides a product that is totally impervious to shock, vibration and positional orientation. In the Extended Range units, an additional Relay Section amplifies the output pressure to obtain up to 0-120 psi [0-8.0 BAR], (0-800 kPa) output. The T7800 series is approved for Intrinsic Safety and Non-Incendive use carries FM, CSA, ATEX and IECEx approvals.
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  • Explosion Proof I/P Pressure Transducers (TXI7800)

    Designed for use in hazardous environments, the Fairchild TXI7800 series product is an explosion proof I/P pressure transducer. It operates under the same principles as the T7800 product; however the TXI series includes NEMA 4X explosion proof construction. Our design isolates the electronics chamber from the pneumatic section, thereby creating a safer and longer service life product, especially for applications handling natural gas. In the Extended Range units, the TXI7800 series will also deliver up to 0-120 psi [0-8.0 BAR], (0-800 kPa) output. The TXI7800 series is approved for hazardous use and carries FM. CSA, ATEX and IECEx approvals.
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  • P/I Pressure Transducer (T8000)

    Our T8000 P/I Transducer Series is a miniature two wire pressure device that converts a pneumatic input signal to a linearly proportional output current. It is field reversible and offers output choices of 4-20 mA or 10-50 mA. The T8000 Series is designed for precision applications providing maximum versatility. The modular construction permits any basic unit to be used in the explosion-proof, rack, wall, pipe, panel, DIN rail or 3, 5, 10, or 15 unit manifold configurations. Servicing or calibration is quick and easy. The Zero and Span adjustments are easily accessible from the front of the unit. The T8000 Series may be configured as a Single or Dual Channel Unit. The Dual Channel Unit consists of two PC Boards that are enclosed within the same housing and function independently of each other. This unit may be offered in any one of the seven standard input pressure signals or in any combination.
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  • Explosion Proof Moisture Resistant I/P Pressure Transducers (TXI7850)

    Fairchild's TXI7850 operates under the same basic principles as the TXI7800, yet improves upon the design. By encapsulating and otherwise protecting the critical components, Fairchild designed the Explosion proof TXI7850 I/P transducer to be highly resistant to moisture within the supply air lines. Available in both standard and extended range configurations, the TXI7850 delivers vibration, shock and moisture resistance in output pressures up to 0-120 psi [0-8.0 BAR], (0-800 kPa). It carries full Agency Approvals, including FM, CSA and ATEX certifications. I/P Pressure Transducer, I/P Pressure converter.
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  • Electro-Pneumatic Pressure Controller (T9000)

    The Fairchild T9000 Series Electro-Pneumatic Pressure Controller has a closed-loop, integrated, microprocessor control system that regulates outlet pressure. The Model T9000 controls pressure in proportion to an analog electrical input signal. An internal feedback sensor monitors output pressure to achieve high accuracy. You can control the output from the Model T9000 using the keypad or from an analog control signal. You can control the output from the Model T9000D using the keypad and through DeviceNet™ Communication network. With its integral booster sections, the T9000 series of I/P pressure controllers delivers high accuracy at flow capacities of 1 SCFM in the T9000, 90 SCFM in the T9020, 110 SCFM in the T9040, 220 SCFM in the T9060, and 700 SCFM in the T9080.
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