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Supplier: Enervex, Inc.
Description: The EBC 14 Pressure Control is designed to monitor and maintain a constant pressure in a mechanical room by modulating the speed of a supply fan. It is a true PID-based control with infinitely variable speed settings. The EBC 14 is typically used in
- Accuracy: 10 ±% FS
- Number of Inputs: 1 inputs
- Number of Control Outputs: 2 outputs
- Control Signal: Analog Voltage
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Supplier: Enervex, Inc.
Description: The EBC 12 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 an exhaust fan. It is a true PID-based control with infinitely variable
- 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: 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
- 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: 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
- 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: Thermocold Costruzioni Srl
Description: with variable fan speed modulation for external temperature up to -20°C. MOUNTED ACCESSORIES • Compressor jacket s sound. • Power factor correction to cos phi 0.91. • Control panel electric heater with thermostat. • Phase failure protection relay. • ECO-PROFILE ELECTRONIC
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Supplier: Thermocold Costruzioni Srl
Description: point temperature. • Condensing and evaporating pressure control with variable fan speed modulation for external temperature up to -15°C. MOUNTED ACCESSORIES • Power factor correction to cos phi 0.91. • Control panel electric heater with thermostat. • Phase failure
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Description: Compressors G-BH8 Volume flow up to 950 m³/h up to 558,8 cfm The G-BH8: Half as large – twice as strong Volumetric flow up to 950 m³/h Differential pressure +720 mbar Small design volume Low weight Energy-saving operation Variable electronic speed control Intrinsic safety
- Air Flow Rate: 12.4 to 1,441.2 SCFM
- Design: Centrifugal
- Drive Type: Direct Drive
- Environment: Light Solids / Powder / Dust
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Supplier: HVACQuick.com
Description: Enervex (EXHAUSTO) chimney fans. The fan speed control is specially engineered to provide variable speed control of split-capacitor motors. This control is accomplished by reducing the line voltage to the motor thereby using only the energy required
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Supplier: Thermocold Costruzioni Srl
Description: pressure switch and antifreeze protection electric heater. • Hydraulic circuit with expansion vessel, water pump and safety valve. • Microprocessor. • Low ambient condensing pressure control with variable fan speed modulation for low outdoor temperature up to
- Cooling Capacity: 5.7 to 33.3 kW
- Process Flow: 11.35939825062 to 36.14754249519 GPM
- Process Pressure: 7.85519521958579 to 11.3186749434357 psi
- Compressor Motor Horsepower: 6.7011019245141 to 16.3104820842673 HP
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Supplier: Thermocold Costruzioni Srl
Description: Air/water inverter heat pumps with axial fans and scroll or rotary compressors. • DC INVERTER scroll or rotary compressor. • Fans propeller type. • Air side heat exchanger with seamless copper tubes and aluminium fins. • AISI 316 stainless steel brazewelded plates type with
- Cooling Capacity: 5.1 to 12.2 kW
- Process Flow: 3.87452343432 to 7.26473143935 GPM
- Process Pressure: 8.70221036143182 to 10.1525787550038 psi
- Compressor Motor Horsepower: 2.14435261584451 to 5.20005509342294 HP
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Supplier: Mile-X Equipment, Inc.
Description: Differential Pressure A EGR Temperature B EGR Differential Pressure B EGR DPS Counts EGR Mass Flow Rate Barometric Pressure Turbo Speed Accelerator Pedal Position Battery Voltage Active Governor Torque Reduction Percentage Vehicle Speed Engine
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Supplier: Mitsubishi Electric Cooling & Heating
Description: conditions Capacities range from 6,000 to 54,000 Btu/h Extremely quiet, with sound ratings as low as 26 dB(A) Auto-fan feature to adjust fan speed based on temperature differentials between space and set point Side access to control panel Integrated condensate lift
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Supplier: HVACQuick.com
Description: UltimateAir pressure control option for 200DX ventilator. PressureGuard contol. Monitor and adjust fan speeds to maintain indoor pressure differential. The king of ERVs! The RecoupAerator is a whole-house air filter and ventilator that circulates fresh air
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Supplier: Mitsubishi Electric Cooling & Heating
Description: conditions Capacities range from 6,000 to 54,000 Btu/h Extremely quiet, with sound ratings as low as 26 dB(A) Auto-fan feature to adjust fan speed based on temperature differentials between space and set point Side access to control panel Integrated condensate lift
- Application: Commercial, Industrial
- System: Heat Energy Recovery
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Rosenberg electronically commutated (EC) fans with built-in Modbus controls increase fan efficiency and significantly reduce power consumption. They are available in axial and backward-curved radial (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
28V version and from 77V to 137V for 110V version. Performance is exceptional for compact fans, with speeds up to 5020 rpm for 28V version and 5190 rpm for 110V version. Tachometric output, 0-10V speed control, and salt/spray protection are available as options. The ETRI 200D is IP55 (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
Three sizes of Rosenberg backward curved fans with electronically commutated (EC) motors are now available with three-phase 5.5 kW motors for greater power and efficiency. They are 100% speed controllable and are CE, UL and RoHS approved. Other features include closed motor protection (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
200 to 277 Volt, single phase in 50-60 Hz frequency. Like all Rosenberg EC motors, the new motor runs cooler and more efficiently, while increasing airflow. CE-approved and ErP compliant with an excellent FEI, it offers easy speed control, long life and low operating costs. For more (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
easily speed controllable via integrated electronics. Air volume can be adjusted to any possible operating point. The integrated, intelligent electronics also allow for pressure or air quality control. Rosenberg’s standard AC models are often specified for use where variable frequency drives (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
allows for 33% greater airflow at 1.2-inches of static pressure while reducing noise levels by 6 dB(A). This is a very significant reduction, as noise levels double every three dB(A). Motors for the new fans are CE approved and UL recognized. They are 100 percent speed controllable. Thermal (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
known as the Fan Laws, which dictate how changes in speed, diameter, and density affect airflow, pressure, and power consumption. A key takeaway is that a small change in fan speed results in a significant (read more)
Browse Fans and Blowers (industrial) Datasheets for Hartzell Air Movement -
can vary widely depending on blade width and shape, the number of blades and the rotational speed. In general, axial fans can generate a large amount of air flow with a small pressure gain with high efficiency. Axial fans are well suited for low-resistance, high flow applications such as (read more)
Browse Fans and Blowers (industrial) Datasheets for Pelonis Technologies, Inc. -
Rosenberg USA has introduced six new double inlet Ecofit forward-curved centrifugal blowers with speed-controllable EC (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
-phase, 50/60 Hz EC motors. They run at speeds as high as 2255 RPM and generate a maximum airflow of more than 1000 CFM at free air. Speed control is possible through PWM, 0-10VDC, or a potentiometer. They are CE-approved and meet ErP 2015 efficiency requirements. Standard features include IP54 (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA
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International Space Station Sustaining Engineering: A Ground-Based Test Bed for Evaluating Integrated Environmental Control and Life Support System and Interna...
The development hardware consists of a manual/motorized bypass valve, variable- speed control fan , differential pressure sensor, inlet and outlet temperature sensors, a collection system for the condensate, and commercial inlet and outlet transitions which are identical to the flight configuration.
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Detail design of a 10.4-m stretched-membrane dish. Phase 2, Final report
The vacuum is maintained with a small, variable speed fan controlled by a differential pressure transducer.
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Heliostat cost reduction study.
Elegant solutions to the focus control problem were developed by both contractors; the SKI heliostat used a variable- speed fan controlled by the pressure differential across the front membrane, while the SAIC unit employed a linear actuator that pulled directly on the…
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An Innovative Method for Dynamic Characterization of Fan FilterUnit Operation.
Actual unit airflow rates (and/or airflow speeds) correspond to the operating condition affected by fan -wheel speed control and pressure differential across the FFU.
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Development of a rack-type air-conditioner for improving energy saving in a data center
The rack-type air-conditioner has a function for controlling the fan - speed by detecting the air pressure differential with a sensor attached to the CAC.
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High-Strength High-Efficiency Particulate Air Filters for Nuclear Applications
The air is circulated at high differ- ential pressures by two radial fans , driven by speed - controlled motors with power requirements of up to 420 kW each.
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Reliability Analysis of the Mechanical System in Selected Portions of the Nuclear HVAC System
Differential pressure- transmitters, situated in the primary confinement zones, transmit information to a differential pressure controller that controls the speed of the AHU supply fans via a speed controller.
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A breath of fresh air is a breeze | In-depth | The Engineer
The amount of fresh air required is adjusted to individual requirements with the speed - controlled fans using a constant pressure control of 200 Pa differential pressure.