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Supplier: UL Standards & Engagement
Description: 1.1 These requirements cover Type I commercial kitchen exhaust hoods intended for placement over commercial cooking equipment. Exhaust hoods with and without exhaust dampers are covered by these requirements. 1.2 Exhaust hoods with and without exhaust fire
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Supplier: Enervex, Inc.
Description: The MODS, Modulating Over-Draft Damper System™ is a demand controlled exhaust system that's designed for buildings that experience excessive chimney draft, which impacts the ability of the boilers and water heaters to operate efficiently. It maintains a precise draft by constantly
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Supplier: Bray Commercial
Description: These Bray direct-coupled spring return rotary electric actuators are designed for On/Off, Tri-State, or Modulating control of building HVAC valves and dampers. These actuators are used in constant or variable air volume installations for the control of return air, mixed air,
- Actuator Torque: 140 In-lbs
- DC Voltage: 24 volts
- AC Voltage: 24 volts
- Stem Diameter: 0.32677183 to 1.00000054 inch
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Supplier: Clark Solutions
Description: direct coupled 24 VAC spring return electronic actuators are designed for modulating control of building HVAC dampers and valves. These actuators are used in constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and
- Actuator Torque: 75 In-lbs
- AC Voltage: 24 volts
- Operating Temperature: -25 to 130 F
- Failsafe: Close at No Power
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Supplier: Clark Solutions
Description: EN310B2-ZS(-S) and EN310D2(-S) direct coupled 24 VAC non-spring return (NSR) rotary electronic actuators are designed for modulating control of building HVAC dampers or valves. These actuators are used in constant or variable air volume installations for the control of return
- Actuator Torque: 177 In-lbs
- AC Voltage: 24 volts
- Operating Temperature: -25 to 130 F
- Failsafe: Close at No Power
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Supplier: XeteX, Inc.
Description: This custom XVC unit was built so that the customer, a university laboratory complex, could provide their own exhaust air blower section. Unlike most XVC units, which have exhaust air inlets on the bottom and exhaust air outlet sections on top, exhaust air enters this
- System: Heat Recovery Ventilator (ERV)
- Application: Residential
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Supplier: Enervex, Inc.
Description: The EBC 30 Modulating Pressure Control is a draft and pressure control device that can monitor and maintain a constant draft or pressure by varying the speed of a fan or the position of an actuator. The control is capable of controlling multiple functions simultaneously. It could be
- Accuracy: 10 ±% FS
- Number of Inputs: 1 inputs
- Number of Control Outputs: 2 outputs
- Control Signal: Analog Voltage, Switch / Relay Output
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Supplier: Caterpillar Oil & Gas
Description: Thermostats and housing Jacket water pump, centrifugal Heat exchanger installed Expansion tank Control System Charging alternator 24 volt, 35 amp Governor control Hydra-mechanical governor Exhaust System Exhaust manifold Exhaust elbow, dry. 203 mm (8 in) on all Turbocharged
- Horse Power: 638 to 739 HP
- Displacement: 27.038633920324635 liters
- Length: 78 inch
- Width: 51.2 inch
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Supplier: Enervex, Inc.
Description: The EBC 35 Modulating Pressure Control is a draft and pressure control device that can monitor and maintain a constant draft or pressure by varying the speed of a fan or the position of an actuator. The control is capable of controlling multiple functions simultaneously. It could be
- Accuracy: 10 ±% FS
- Number of Inputs: 1 inputs
- Number of Control Outputs: 2 outputs
- Control Signal: Analog Voltage, Switch / Relay Output
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Supplier: TSI Incorporated
Description: Utilizing sash sensors Combining side-wall and sash sensors Flow Control Using pressure-based or thermal flow stations Utilizing linear Venturi valves Controls dampers or valves with fast-acting actuator, depending on application Features & Benefits Controls fume hood face velocity to
- Controller Type: Laboratory Controller
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Supplier: Caterpillar Oil & Gas
Description: Expansion tank Exhaust System Exhaust manifold, dry Dual turbo: exhaust elbow, dry 203 mm (8 in) Flywheels and Flywheel Housing SAE No. 1 flywheel SAE No. 1 flywheel housing Power take-off (PTO) flywheel stub shaft Fuel System Electronic unit injector Fuel filter, secondary (2
- Horse Power: 600 to 800 HP
- RPM: 1,750 rpm
- Displacement: 18.12407825204791 liters
- Length: 74.4 inch
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Supplier: Caterpillar Oil & Gas
Description: Aftercooler cooling pump (SCAC) — gear-driven centrifugal Diesel Fuel System Fuel filter Fuel transfer pump Flexible fuel lines Fuel priming pump Electronically controlled unit injectors Exhaust System Exhaust flexible fitting, adapter and flanges Dual turbochargers with water-cooled
- Wattage: 1,600 watts
- Volt-Ampere: 2,000,000 VA
- Frequency: 50 Hz
- Applications: Industrial
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Position Monitoring on Flue Dampers
Arc furnaces used to produce steel have large ducts in place to provide a flow of oxygen essential for the melting process and to capture and exhaust the fumes from that same process. These ducts contain dampers that, based upon their position, control the power to the main air fans supplying
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http://dspace.mit.edu/bitstream/handle/1721.1/61611/704682506-MIT.pdf?sequence=2
In the case of AHUs 9 and 10, the exhaust and outdoor air dampers are both directly modulated by the MixAirDmpSignal, however the exhaust damper actuator also includes a constant positive bias on the control signal in order to prevent those dampers …
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http://dspace.mit.edu/bitstream/handle/1721.1/37035/36815868-MIT.pdf?sequence=2
Exhaust Air Damper Actuator .
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Cold Vacuum Drying (CVD) Electrical System Design Description
This system supplies the 480Y/277 V power from a 100 kW diesel generator to the process bay local exhaust HVAC fans (one at a time), the local exhaust isolation damper actuator solenoid valves, the facility UPS system, the facility instrument air compressors …
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https://customer.honeywell.com/resources/techlit/TechLitDocuments/77-0000s/77-E1100.pdf
The connection exhausts the damper actuator which closes the damper.
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PUREX exhaust ventilation system installation test report
Each exhaust fan damper actuator system consists of five actuators, two for ,letdampers, two for the outlet dampers,and one for the fan vortex damper.
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https://customer.honeywell.com/resources/techlit/TechLitDocuments/77-0000s/77-1122.pdf
Figure 22 shows a typical air handling system controlled by two electronic controllers, C1 and C2; sequencer S; multicompensator M; temperature sensors T1 through T4; modulating hot and chilled water valves V1 and V2; and outdoor, return, and exhaust air damper actuators .
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Spent Nuclear Fuel (SNF) Project Final Safety Analysis Report (FSAR)
Upon loss of facility power, the diesel generator will be relied upon to provide power to the local exhaust fans and isolation damper actuator solenoids such that satisfactory local exhaust flow is maintained.